A leading technology and information services firm is seeking a Lead Platform Engineer to manage secure AWS and on-premise environments. The role involves operating platform services, providing L3 support, and ensuring compliance with best practices. Ideal candidates will have experience with AWS platforms and Windows/Linux engineering. Perks include 25 days annual leave, employer-matched pension contributions, and various health benefits.
21/05/2026
Full time
A leading technology and information services firm is seeking a Lead Platform Engineer to manage secure AWS and on-premise environments. The role involves operating platform services, providing L3 support, and ensuring compliance with best practices. Ideal candidates will have experience with AWS platforms and Windows/Linux engineering. Perks include 25 days annual leave, employer-matched pension contributions, and various health benefits.
Job Title: Lead Platform Engineer Base Office Locations: Bristol, Bromley, Kensington Job Type: Permanent Clearance Requirements: Due to the industries this role will be associated with, we require the successful candidate to be eligible for security clearance. To qualify for this, you must be a British Citizen and have lived permanently in the UK for the last 5 years. Purpose of the role: Working as part of CACI's Information Intelligence Group (IIG), the Platform Engineer ensures the secure, reliable and compliant operation of several platform services that support the wider client ecosystem. Across the Team, there is a mixture of AWS and on-premise infrastructure and services so some of the role holders will need to have on-premise experience. Typical Responsibilities: Operate platform services within core hours (08:00-18:00, Mon-Fri) with agreed P1 support outside hours when required. Maintain secure, stable AWS and on-premise environments for a number of Client Services. Provide L3 support, handling incidents, problems and changes within SLA. Monitoring and Support for all non-production environments. Maintenance and support for Business Continuity and Disaster Recovery (BCDR) plans. Execute monthly patching cycles, upgrades and release activities across cloud and on-prem components, producing governance artefacts. Documentation of low-level designs. Support CI/CD tooling and environment readiness (SIT/PRP/UAT/Go-Live), including access management and catalogue items. Contribute to remediation of ITHC findings, vulnerability management and compliance reporting. Adherence to industry best practice and client policies. Support for all Release Management activities Knowledge & Skills Required Experience operating secure AWS platforms (EC2, WorkSpaces, VPC, IAM, AMIs, patching pipelines). Windows/Linux platform engineering in enterprise environments. Exposure to on-prem platform work (switches, firewalls, virtualisation). Knowledge of secure remote desktop / VDI technologies. Familiarity with CI/CD, version control and monitoring toolsets. Preferred / Nice to Have Background in national security, policing or critical infrastructure environments. Familiarity with Governance, RBAC and Security Policies. Experience with Stash, Grafana, Jira, Confluence and Nexus. Why Apply? 25 days annual leave + bank holidays Up to 5% employer matched pension contribution Work on meaningful government projects Numerous health & insurance benefits Fantastic culture with regular social events CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested. Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.
21/05/2026
Full time
Job Title: Lead Platform Engineer Base Office Locations: Bristol, Bromley, Kensington Job Type: Permanent Clearance Requirements: Due to the industries this role will be associated with, we require the successful candidate to be eligible for security clearance. To qualify for this, you must be a British Citizen and have lived permanently in the UK for the last 5 years. Purpose of the role: Working as part of CACI's Information Intelligence Group (IIG), the Platform Engineer ensures the secure, reliable and compliant operation of several platform services that support the wider client ecosystem. Across the Team, there is a mixture of AWS and on-premise infrastructure and services so some of the role holders will need to have on-premise experience. Typical Responsibilities: Operate platform services within core hours (08:00-18:00, Mon-Fri) with agreed P1 support outside hours when required. Maintain secure, stable AWS and on-premise environments for a number of Client Services. Provide L3 support, handling incidents, problems and changes within SLA. Monitoring and Support for all non-production environments. Maintenance and support for Business Continuity and Disaster Recovery (BCDR) plans. Execute monthly patching cycles, upgrades and release activities across cloud and on-prem components, producing governance artefacts. Documentation of low-level designs. Support CI/CD tooling and environment readiness (SIT/PRP/UAT/Go-Live), including access management and catalogue items. Contribute to remediation of ITHC findings, vulnerability management and compliance reporting. Adherence to industry best practice and client policies. Support for all Release Management activities Knowledge & Skills Required Experience operating secure AWS platforms (EC2, WorkSpaces, VPC, IAM, AMIs, patching pipelines). Windows/Linux platform engineering in enterprise environments. Exposure to on-prem platform work (switches, firewalls, virtualisation). Knowledge of secure remote desktop / VDI technologies. Familiarity with CI/CD, version control and monitoring toolsets. Preferred / Nice to Have Background in national security, policing or critical infrastructure environments. Familiarity with Governance, RBAC and Security Policies. Experience with Stash, Grafana, Jira, Confluence and Nexus. Why Apply? 25 days annual leave + bank holidays Up to 5% employer matched pension contribution Work on meaningful government projects Numerous health & insurance benefits Fantastic culture with regular social events CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested. Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.
Role: Operational Acceptance Test Engineer Hybrid: Predominantly work from home - on-site in Croydon/M3 Corridor when required. Start Date: May Due to nature of this role, we require the successful candidate to be able to obtain high level security clearance. You must have lived permanently in the UK for the last 5+ years to be eligible. You must also hold a British Passport only. Job Overview We are seeking a highly skilled Operational Acceptance Test (OAT) Engineer to oversee and lead the end-to-end operational testing process. The ideal candidate will have a strong background in operational readiness, system performance and production environment validation on cloud-based services. Key Responsibilities Act as a senior member of the team, taking lead on Operational Acceptance Testing (OAT) process, ensuring systems meet operational and business requirements before deployment. Define OAT test strategies, plans and criteria to validate infrastructure, system reliability, failover mechanisms and non-functional requirements. Collaborate with DevOps, Infrastructure and Release Management teams to ensure smooth transition from development to production on AWS cloud. Conduct cloud-based resilience, failover, backup and recovery testing. Ensure compliance with SLAs, security policies and disaster recovery procedures. Identify, document, and manage defects and issues, ensuring timely resolution. Provide leadership and mentoring to junior testers and team members. Generate detailed reports and dashboards on OAT progress, results, and risk assessments. Required Skills & Experience Experienced in Operational Testing. Deep understanding of OAT methodologies, including but not limited to the following core areas: Build verification Alert and Monitoring Backup and Restore Resilience and Recovery Logging, Audit and House Keeping Release Management Work Instructions OWASP "top ten" security tests Experience with CI/CD pipelines, Jenkins, and test automation frameworks. Knowledge of cloud platforms (AWS/Azure), infrastructure monitoring, and IT service management. Familiarity with databases, Linux environments, and network protocols. Experience in working with Agile & DevOps methodologies. Strong analytical and problem-solving skills with attention to detail. Excellent communication and stakeholder management abilities. Preferred Qualifications/Experience Experience with performance testing tools (JMeter, LoadRunner, etc.). Knowledge of Kubernetes, Docker, or containerized environments. Certification in ISTQB, ITIL, or AWS/Azure Cloud services. Why Apply? 25 days annual leave + bank holidays Up to 5% employer matched pension contribution Work on meaningful government projects Numerous health & insurance benefits Fantastic culture with regular social events CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on to discuss individual requirements further). Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.
21/05/2026
Full time
Role: Operational Acceptance Test Engineer Hybrid: Predominantly work from home - on-site in Croydon/M3 Corridor when required. Start Date: May Due to nature of this role, we require the successful candidate to be able to obtain high level security clearance. You must have lived permanently in the UK for the last 5+ years to be eligible. You must also hold a British Passport only. Job Overview We are seeking a highly skilled Operational Acceptance Test (OAT) Engineer to oversee and lead the end-to-end operational testing process. The ideal candidate will have a strong background in operational readiness, system performance and production environment validation on cloud-based services. Key Responsibilities Act as a senior member of the team, taking lead on Operational Acceptance Testing (OAT) process, ensuring systems meet operational and business requirements before deployment. Define OAT test strategies, plans and criteria to validate infrastructure, system reliability, failover mechanisms and non-functional requirements. Collaborate with DevOps, Infrastructure and Release Management teams to ensure smooth transition from development to production on AWS cloud. Conduct cloud-based resilience, failover, backup and recovery testing. Ensure compliance with SLAs, security policies and disaster recovery procedures. Identify, document, and manage defects and issues, ensuring timely resolution. Provide leadership and mentoring to junior testers and team members. Generate detailed reports and dashboards on OAT progress, results, and risk assessments. Required Skills & Experience Experienced in Operational Testing. Deep understanding of OAT methodologies, including but not limited to the following core areas: Build verification Alert and Monitoring Backup and Restore Resilience and Recovery Logging, Audit and House Keeping Release Management Work Instructions OWASP "top ten" security tests Experience with CI/CD pipelines, Jenkins, and test automation frameworks. Knowledge of cloud platforms (AWS/Azure), infrastructure monitoring, and IT service management. Familiarity with databases, Linux environments, and network protocols. Experience in working with Agile & DevOps methodologies. Strong analytical and problem-solving skills with attention to detail. Excellent communication and stakeholder management abilities. Preferred Qualifications/Experience Experience with performance testing tools (JMeter, LoadRunner, etc.). Knowledge of Kubernetes, Docker, or containerized environments. Certification in ISTQB, ITIL, or AWS/Azure Cloud services. Why Apply? 25 days annual leave + bank holidays Up to 5% employer matched pension contribution Work on meaningful government projects Numerous health & insurance benefits Fantastic culture with regular social events CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on to discuss individual requirements further). Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview.
London, UK Job Description Posted Friday 24 April 2026 at 00:00 About Us We are the Information Intelligence Group (IIG) of CACI UK, a technical consultancy providing new bespoke solutions to solve our customers' complex operational problems. Working as part of the Mood business at CACI IIG, we are looking for a Product Sales Lead to play a leading role in growing our customer base. MooD is a large scale data visualisation platform designed to bring disparate systems together into a single, coherent working model for management and future planning. The Opportunity The Product Sales Lead will drive the growth of the Mood platform across public and private sectors in the UK and Europe. This is a strategic role focused on expanding revenue through a combination of direct sales, partner ecosystem development, and product led engagement. Working closely with Pre Sales, Product, and Marketing, you will be responsible for identifying, shaping, and closing opportunities across both existing customers and new markets. A key component of this role is the design and execution of a scalable partner programme, enabling long term growth through system integrators, consultancies, and strategic alliances. Driving revenue growth for the Mood platform Developing and executing sales strategies targeting New enterprise customers in priority sectors (e.g. defence, government, critical infrastructure) New enterprise customers in the commercial sector Leading complex, consultative sales cycles from qualification through to close Working in close partnership with pre sales to shape compelling solution propositions and demonstrations Identifying, recruiting, and onboarding key partners including system integrators, management consultancies & technology partners Translating Mood's capabilities into a clear business value proposition Working closely with Product teams to feed market insights and customer needs, helping to shape go to market messaging and packaging Positioning Mood as a model driven enterprise platform / digital twin capability, not just a tool Representing the company at industry events, forums, and customer engagements Providing accurate forecasting and reporting Tracking opportunities and partner activity The Fit We are looking for experienced BD professionals who understand how to sell complex, high value enterprise platforms and can operate credibly across both business and technical stakeholders. This includes: Proven experience in enterprise software sales, ideally within one or more of: Low code / no code platforms Data / analytics / digital twin platforms Experience building or managing partner ecosystems Strong commercial acumen and deal shaping capability Experience working alongside Pre Sales / Solution Consultants Due to the industries we work in, we require all team members to obtain security clearance. To qualify for this, you must be a British passport holder and have lived permanently in the UK for the last five years. We take great pride in taking care of our talent, providing a highly dynamic, inclusive, and team led environment where everyone can thrive. We value every member of our business and strive to be a place you're excited to work. Our market leading package of benefits reflects this. WELLBEING - Free 24/7 counselling helpline and employee assistance programme WORK YOUR BEST - City centre offices across the UK, combined with flexitime and at home working LEARN & GROW - Assigned Career Coach to holistically guide development SOCIAL - Get togethers throughout the year, from ad hoc socials to the Summer Party in London and annual awaydays ONSITE ALLOWANCES - expenses for lunch and drinks CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on to discuss individual requirements further). Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview. Our people are unique and we encourage and support them to be confident in contributing to our inclusion journey.
12/05/2026
Full time
London, UK Job Description Posted Friday 24 April 2026 at 00:00 About Us We are the Information Intelligence Group (IIG) of CACI UK, a technical consultancy providing new bespoke solutions to solve our customers' complex operational problems. Working as part of the Mood business at CACI IIG, we are looking for a Product Sales Lead to play a leading role in growing our customer base. MooD is a large scale data visualisation platform designed to bring disparate systems together into a single, coherent working model for management and future planning. The Opportunity The Product Sales Lead will drive the growth of the Mood platform across public and private sectors in the UK and Europe. This is a strategic role focused on expanding revenue through a combination of direct sales, partner ecosystem development, and product led engagement. Working closely with Pre Sales, Product, and Marketing, you will be responsible for identifying, shaping, and closing opportunities across both existing customers and new markets. A key component of this role is the design and execution of a scalable partner programme, enabling long term growth through system integrators, consultancies, and strategic alliances. Driving revenue growth for the Mood platform Developing and executing sales strategies targeting New enterprise customers in priority sectors (e.g. defence, government, critical infrastructure) New enterprise customers in the commercial sector Leading complex, consultative sales cycles from qualification through to close Working in close partnership with pre sales to shape compelling solution propositions and demonstrations Identifying, recruiting, and onboarding key partners including system integrators, management consultancies & technology partners Translating Mood's capabilities into a clear business value proposition Working closely with Product teams to feed market insights and customer needs, helping to shape go to market messaging and packaging Positioning Mood as a model driven enterprise platform / digital twin capability, not just a tool Representing the company at industry events, forums, and customer engagements Providing accurate forecasting and reporting Tracking opportunities and partner activity The Fit We are looking for experienced BD professionals who understand how to sell complex, high value enterprise platforms and can operate credibly across both business and technical stakeholders. This includes: Proven experience in enterprise software sales, ideally within one or more of: Low code / no code platforms Data / analytics / digital twin platforms Experience building or managing partner ecosystems Strong commercial acumen and deal shaping capability Experience working alongside Pre Sales / Solution Consultants Due to the industries we work in, we require all team members to obtain security clearance. To qualify for this, you must be a British passport holder and have lived permanently in the UK for the last five years. We take great pride in taking care of our talent, providing a highly dynamic, inclusive, and team led environment where everyone can thrive. We value every member of our business and strive to be a place you're excited to work. Our market leading package of benefits reflects this. WELLBEING - Free 24/7 counselling helpline and employee assistance programme WORK YOUR BEST - City centre offices across the UK, combined with flexitime and at home working LEARN & GROW - Assigned Career Coach to holistically guide development SOCIAL - Get togethers throughout the year, from ad hoc socials to the Summer Party in London and annual awaydays ONSITE ALLOWANCES - expenses for lunch and drinks CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on to discuss individual requirements further). Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview. Our people are unique and we encourage and support them to be confident in contributing to our inclusion journey.
A leading software consultancy is seeking a Full Stack Software Engineer for its Cheltenham office. The role involves implementing software solutions and utilizing a range of technologies, including Java and AWS, within an Agile team. All candidates must hold a British passport and have resided in the UK for the last five years to obtain security clearance. The company prides itself on a supportive environment with competitive benefits, including wellbeing support and flexible working options.
09/05/2026
Full time
A leading software consultancy is seeking a Full Stack Software Engineer for its Cheltenham office. The role involves implementing software solutions and utilizing a range of technologies, including Java and AWS, within an Agile team. All candidates must hold a British passport and have resided in the UK for the last five years to obtain security clearance. The company prides itself on a supportive environment with competitive benefits, including wellbeing support and flexible working options.
Posted Tuesday 10 February 2026 at 01:00 About Us: We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with a Full Stack Software Engineer with experience in Java to join one of our live projects within our National Security Government team. Due to the nature of the work, the role will be based predominately from our Bristol office (next to Temple Meads station). The Opportunity: We have a wide variety of teams who support our customers on a range of interesting and complex projects, building new bespoke software solutions and providing them with up to date capability to meet their needs. As a Software Engineer, you will join an Agile focussed team, gaining exposure to: Implementing software solutions including design, development and testing Using a wide range of technologies, specialising in the use of open-source libraries and components U tilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality and security Deploying software systems to a mixture of environments, including public (AWS and Azure) and private cloud Full Software Lifecycle involvement: project concept formalisation; requirements analysis and specification; architecture design; implementation and delivery; training and support and software lifecycle and maintenance Lead teams and managing engagement with our clients (depending on experience) The Fit: At present we are interested in speaking to Full Stack Engineers with commercial experience using a range of languages / technologies including Java & AWS. Previous consultancy experience is useful but not essential. Due to the industries we work in, we require all our team to be able to obtain security clearance. To qualify for this, you must be a British passport holder and have lived permanently in the UK for the last 5 years. We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive. We value every member of our business, and strive to be a place you're excited to work. Our market-leading package of benefits reflects this. WELLBEING - Free 24/7 counselling helpline and employee assistance programme WORK YOUR BEST - City-centre offices across the UK, combined with flexitime and at home working LEARN & GROW - Assigned Career Coach to holistically guide development SOCIAL - Get-togethers throughout the year, from ad hoc socials to the Summer Party in London and annual awaydays ONSITE ALLOWANCES - expenses for lunch and drinks CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on to discuss individual requirements further). Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview. Our people are unique and we encourage, and support them, to be confident in contributing to our inclusion journey.
09/05/2026
Full time
Posted Tuesday 10 February 2026 at 01:00 About Us: We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing new bespoke solutions to solve our customers complex operational problems. As our business continues to grow, we are interested in speaking with a Full Stack Software Engineer with experience in Java to join one of our live projects within our National Security Government team. Due to the nature of the work, the role will be based predominately from our Bristol office (next to Temple Meads station). The Opportunity: We have a wide variety of teams who support our customers on a range of interesting and complex projects, building new bespoke software solutions and providing them with up to date capability to meet their needs. As a Software Engineer, you will join an Agile focussed team, gaining exposure to: Implementing software solutions including design, development and testing Using a wide range of technologies, specialising in the use of open-source libraries and components U tilising tools such as GitLab to build continuous integration pipelines, which help monitor and ensure software quality and security Deploying software systems to a mixture of environments, including public (AWS and Azure) and private cloud Full Software Lifecycle involvement: project concept formalisation; requirements analysis and specification; architecture design; implementation and delivery; training and support and software lifecycle and maintenance Lead teams and managing engagement with our clients (depending on experience) The Fit: At present we are interested in speaking to Full Stack Engineers with commercial experience using a range of languages / technologies including Java & AWS. Previous consultancy experience is useful but not essential. Due to the industries we work in, we require all our team to be able to obtain security clearance. To qualify for this, you must be a British passport holder and have lived permanently in the UK for the last 5 years. We take great pride in taking care of our talent, providing a highly dynamic, inclusive and team-led environment where everyone can thrive. We value every member of our business, and strive to be a place you're excited to work. Our market-leading package of benefits reflects this. WELLBEING - Free 24/7 counselling helpline and employee assistance programme WORK YOUR BEST - City-centre offices across the UK, combined with flexitime and at home working LEARN & GROW - Assigned Career Coach to holistically guide development SOCIAL - Get-togethers throughout the year, from ad hoc socials to the Summer Party in London and annual awaydays ONSITE ALLOWANCES - expenses for lunch and drinks CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, sex, gender identity, veteran status, religion or belief, sexual orientation, marital status, and disability or health condition, actively working to prevent discrimination. As a Disability Confident employer, we will; Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on to discuss individual requirements further). Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview. Our people are unique and we encourage, and support them, to be confident in contributing to our inclusion journey.
Principal Network Architect As a Principal Network Architect, you will be a trusted advisor, technical authority, and strategic partner to our clients. You will lead the design of complex, secure, and scalable network architectures, translating business requirements into robust technical solutions. This role combines technical leadership, solution architecture, consultancy, and pre sales engagement, requiring a strong ability to operate at both strategic and hands on levels. You will work closely with customers, sales, delivery teams, engineering functions, and senior stakeholders-guiding engagements from initial concept through to detailed design, delivery oversight and operational readiness. Key Responsibilities Operate as a trusted advisor for key clients and prospective customers (new logos). Engage with stakeholders from C level executives to technical engineering teams, translating complex technical and business requirements into high level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long term relationships that support account growth and customer satisfaction. Technical Leadership & Architecture Act as the Design Authority across major programmes, owning the end to end technical vision from inception through transition to operations. Architect network solutions across environments of varying scale-from small to mid sized infrastructures through to highly complex, large scale enterprise and multi site architectures-covering LAN/WAN, Wireless, routing, switching, SDN, and security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices. Lead creation of high quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. Partner with the Sales team during pre sales engagements to define solutions, scope opportunities, and support commercial proposition development. Lead technical responses for Tenders, IITs, and RFPs, including architecture design, technical writing, risk identification, and pricing model support. Present proposed solutions to senior client stakeholders with clarity, confidence, and technical authority. Collaboration & Delivery Oversight Work alongside multi disciplinary delivery teams, providing leadership, technical guidance, and assurance during implementation phases. Support project managers and engineering teams to ensure solutions are delivered in line with architectural intent and to the highest quality. Contribute to internal knowledge sharing, capability development, and practice maturity across the organisation. Contribute to the identification, design, and development of innovative internal products, frameworks, and service offerings that enhance CACI's strategic advantage, improve delivery efficiency, and support growth across key market sectors. Technology Landscape Enterprise LAN/WAN, SD WAN, SDA and Wireless architectures Data Centre end to end solutions Routing & switching technologies Software defined networking solutions Cloud networking (AWS / Azure / GCP / OCI) - highly desirable What We're Looking For Technical & Professional Expertise Proven experience designing and delivering large scale network and security solutions across enterprise or service provider environments. Deep understanding of network architecture principles, high availability design, routing protocols, segmentation, security architectures, and cloud networking. Experience acting as the final technical authority or Design Authority on complex engagements. Strong background in pre sales, tender responses, and solution shaping. Ability to clearly articulate complex technical concepts to non technical audiences and senior stakeholders. Consultancy & Communication Excellent interpersonal, written, and verbal communication skills-capable of producing well structured technical documentation and delivering impactful presentations. Ability to engage with business stakeholders and end users to diagnose issues, propose solutions, and provide strategic recommendations. Comfortable representing the organisation independently, with a focus on delivering outstanding customer experiences. Ways of Working Demonstrably collaborative approach when working with sales, engineering, and delivery functions. Self sufficient, proactive, and comfortable working in high pressure environments. Experience working within Agile / Scrum, Waterfall, and hybrid project delivery methodologies. Strong commitment to continuous learning and staying ahead of industry advancements. Desirable Certifications & Skills CCNP / CCIE, JNCIP / JNCIE, or equivalent expert level certifications Security vendor certifications from platforms such as Fortinet (NSE), Palo Alto (PCNSE/PCNSA), Cisco Security (CCNP Security/CCIE Security), and Check Point (CCSA/CCSE). Cloud certifications (AWS/Azure/GCP/OCI) Strong understanding of structured delivery and operational frameworks (ITIL, PRINCE2, AgilePM, or similar project/service management certifications) Experience with automation tools (Python, Ansible, Terraform, etc.) We are committed to creating a diverse environment and are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Successful candidates must have the right to work in the UK.
04/05/2026
Full time
Principal Network Architect As a Principal Network Architect, you will be a trusted advisor, technical authority, and strategic partner to our clients. You will lead the design of complex, secure, and scalable network architectures, translating business requirements into robust technical solutions. This role combines technical leadership, solution architecture, consultancy, and pre sales engagement, requiring a strong ability to operate at both strategic and hands on levels. You will work closely with customers, sales, delivery teams, engineering functions, and senior stakeholders-guiding engagements from initial concept through to detailed design, delivery oversight and operational readiness. Key Responsibilities Operate as a trusted advisor for key clients and prospective customers (new logos). Engage with stakeholders from C level executives to technical engineering teams, translating complex technical and business requirements into high level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long term relationships that support account growth and customer satisfaction. Technical Leadership & Architecture Act as the Design Authority across major programmes, owning the end to end technical vision from inception through transition to operations. Architect network solutions across environments of varying scale-from small to mid sized infrastructures through to highly complex, large scale enterprise and multi site architectures-covering LAN/WAN, Wireless, routing, switching, SDN, and security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices. Lead creation of high quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. Partner with the Sales team during pre sales engagements to define solutions, scope opportunities, and support commercial proposition development. Lead technical responses for Tenders, IITs, and RFPs, including architecture design, technical writing, risk identification, and pricing model support. Present proposed solutions to senior client stakeholders with clarity, confidence, and technical authority. Collaboration & Delivery Oversight Work alongside multi disciplinary delivery teams, providing leadership, technical guidance, and assurance during implementation phases. Support project managers and engineering teams to ensure solutions are delivered in line with architectural intent and to the highest quality. Contribute to internal knowledge sharing, capability development, and practice maturity across the organisation. Contribute to the identification, design, and development of innovative internal products, frameworks, and service offerings that enhance CACI's strategic advantage, improve delivery efficiency, and support growth across key market sectors. Technology Landscape Enterprise LAN/WAN, SD WAN, SDA and Wireless architectures Data Centre end to end solutions Routing & switching technologies Software defined networking solutions Cloud networking (AWS / Azure / GCP / OCI) - highly desirable What We're Looking For Technical & Professional Expertise Proven experience designing and delivering large scale network and security solutions across enterprise or service provider environments. Deep understanding of network architecture principles, high availability design, routing protocols, segmentation, security architectures, and cloud networking. Experience acting as the final technical authority or Design Authority on complex engagements. Strong background in pre sales, tender responses, and solution shaping. Ability to clearly articulate complex technical concepts to non technical audiences and senior stakeholders. Consultancy & Communication Excellent interpersonal, written, and verbal communication skills-capable of producing well structured technical documentation and delivering impactful presentations. Ability to engage with business stakeholders and end users to diagnose issues, propose solutions, and provide strategic recommendations. Comfortable representing the organisation independently, with a focus on delivering outstanding customer experiences. Ways of Working Demonstrably collaborative approach when working with sales, engineering, and delivery functions. Self sufficient, proactive, and comfortable working in high pressure environments. Experience working within Agile / Scrum, Waterfall, and hybrid project delivery methodologies. Strong commitment to continuous learning and staying ahead of industry advancements. Desirable Certifications & Skills CCNP / CCIE, JNCIP / JNCIE, or equivalent expert level certifications Security vendor certifications from platforms such as Fortinet (NSE), Palo Alto (PCNSE/PCNSA), Cisco Security (CCNP Security/CCIE Security), and Check Point (CCSA/CCSE). Cloud certifications (AWS/Azure/GCP/OCI) Strong understanding of structured delivery and operational frameworks (ITIL, PRINCE2, AgilePM, or similar project/service management certifications) Experience with automation tools (Python, Ansible, Terraform, etc.) We are committed to creating a diverse environment and are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Successful candidates must have the right to work in the UK.
CACI Ltd is looking for a Principal Network Architect to lead the design of complex and scalable network solutions. You will serve as a trusted advisor, collaborating with clients and internal teams to deliver high-quality architectures. This role requires strong knowledge of network strategies and proven experience in large-scale environments. The ideal candidate will have expertise in pre-sales activities and excellent communication skills. Join us to significantly impact our clients' network frameworks, ensuring they meet industry standards and are future-ready.
04/05/2026
Full time
CACI Ltd is looking for a Principal Network Architect to lead the design of complex and scalable network solutions. You will serve as a trusted advisor, collaborating with clients and internal teams to deliver high-quality architectures. This role requires strong knowledge of network strategies and proven experience in large-scale environments. The ideal candidate will have expertise in pre-sales activities and excellent communication skills. Join us to significantly impact our clients' network frameworks, ensuring they meet industry standards and are future-ready.