CBSbutler Holdings Limited trading as CBSbutler

113 job(s) at CBSbutler Holdings Limited trading as CBSbutler

CBSbutler Holdings Limited trading as CBSbutler Basingstoke, Hampshire
09/03/2026
Contractor
Security Architect +On site in Reading +DV cleared role + 700 - 800 a day +Inside IR35 We are seeking a DV Cleared Security Architect to join a Joint Design Team, working on a highly sensitive and mission-critical programme. Reporting directly to the Security Lead, you will play a key role in assuring that Managed Service Provider (MSP) designs and implementations meet the client's stringent security standards and MOD requirements. This is a hands-on assurance and advisory role, operating at both strategic and technical levels within a secure environment. The Role Review and assure high-level and low-level designs produced by MSPs Review MSP security compliance tests, assessments, and evidence Assess and challenge security cases, risks, and design decisions Undertake formal security assessments in line with MOD and client standards Maintain and administer STREAM Provide clear, pragmatic security advice and guidance to the client and stakeholders Skills & Experience Proven experience in Security Architecture within secure or defence environments Strong background in security assessment and assurance Experience conducting security audits and compliance reviews Familiarity with MOD security frameworks, processes, and standards Ability to work confidently with senior stakeholders, suppliers, and delivery teams Active DV clearance is essential If you'd like to discuss this Security Architect role in more detail, please send your updated CV to (url removed) and I will get in touch.
CBSbutler Holdings Limited trading as CBSbutler Basingstoke, Hampshire
09/03/2026
Full time
Infrastructure Architect +DV cleared role +On site in Basingstoke + 70,000 plus 6k car plus 15% bonus plus 10 % DV allowance Skills: +4th Line +HLD / LLD +Wintel +Virtualisation +DV clearance - must be sole British national and eligible for clearance We are looking for an individual to join a team of System Architects working on deliveries taking place within a large programme in the secure Defence and Government sector. As part of the team, you will be responsible for designing, implementing, and delivering changes to a network management infrastructure that supports a global WAN service. You should have extensive knowledge of infrastructure technologies and experience in delivering secure solutions. Your transferable skills and experience: Design and development of technical solutions to meet changing customer requirements. Impacting change requests and providing BOM/resourcing estimates to project managers. Producing and maintaining technical documentation (HLD, LLD and Build Guides). Liaising with third party vendors to resolve technical issues with their products. Providing 3rd and 4th line support. Good knowledge of Microsoft infrastructure technologies. This role requires candidates to be eligible and willing to undergo a high level of security clearance. If you'd like to discuss this Infrastructure Architect in more detail, please send your updated CV to (url removed) and I will get in touch.
CBSbutler Holdings Limited trading as CBSbutler Basingstoke, Hampshire
09/03/2026
Full time
Senior Test Specialist Onsite in Basingstoke (phone number removed) per annum + benefits Security Clearance is required for this role. We are seeking a Test Analyst to support the delivery of secure IT systems within a Defence environment. You will work within a secure project delivery team, responsible for planning, executing and reporting testing activities across both infrastructure and application platforms, ensuring solutions meet strict quality, security and operational standards. Key Responsibilities Execute manual and automated testing including functional, non-functional, integration, system, regression and end-to-end testing Produce key test artefacts including Test Plans, Test Scripts, Test Reports and defect logs Design and execute test cases based on defined technical and business requirements Log, track and support investigation of defects using JIRA Produce test metrics and progress reports, including risks, issues and test incidents Coordinate test environments, tools and resources to support project delivery Work closely with Project Managers, technical teams and stakeholders to deliver testing activities to schedule Skills & Experience Experience across multiple phases of testing and strong understanding of SDLC/STLC Experience working within Agile, V-Model or Waterfall delivery environments Demonstrable experience testing both infrastructure and application platforms Strong experience producing test documentation and executing manual test scripts Knowledge of configuration/change management and version control systems (e.g. Subversion) Experience using JIRA for defect management and reporting Strong communication and stakeholder engagement skills ISTQB Foundation certification (or higher) If this Senior Test Specialist role is of interest, apply now!
CBSbutler Holdings Limited trading as CBSbutler Farnborough, Hampshire
09/03/2026
Contractor
Senior Network Engineer - NSX-T / AVI / HCI 500 - 550 per day - Inside IR35 MOD SC Cleared Site: Farnborough - 4 days onsite, 1 day remote About the Role We are delivering a modern managed infrastructure platform designed to replace complex legacy enterprise environments. The programme focuses on high levels of automation, repeatable infrastructure design patterns, and rapid deployment of business solutions . The platform leverages modern Windows and VMware technologies and integrates automation tooling such as Ansible, Terraform, and scripting frameworks alongside specialist infrastructure and application platforms. We are seeking an experienced Senior Network Engineer with strong expertise in VMware NSX-T, F5, and VMware AVI within Hyperconverged Infrastructure (HCI) environments. The successful candidate will combine deep technical expertise with strong design capability , delivering scalable, secure, and highly automated network solutions , including robust identity and tiered access models . Key Responsibilities Design, implement, and support network architectures within hyperconverged infrastructure environments using NSX-T and AVI technologies. Lead deployment and configuration of VMware NSX-T components , including: Logical networking Distributed firewall Load balancing VPN services Implement network virtualisation and micro-segmentation strategies . Deploy and manage VMware AVI load balancers to support modern application delivery, automation, and analytics. Ensure high availability, performance optimisation, and security across network services. Design and maintain identity and access management solutions aligned with tiered access models . Conduct capacity planning and scalability assessments to support platform growth. Collaborate with infrastructure, security, and automation teams to deliver integrated platform solutions. Essential Skills & Experience Strong hands-on experience with: VMware NSX-T VMware AVI Load Balancer Hyperconverged Infrastructure (HCI) Proven experience designing and implementing scalable network architectures . Strong understanding of identity management and tiered access models . Experience working within highly automated infrastructure environments . Excellent communication and documentation skills . DV Clearance (or willingness to undergo security vetting). Desirable Skills Software-Defined WAN (SD-WAN) Network monitoring and observability tooling Secure network architecture and security best practices Experience supporting Infrastructure as Code (IaC) using tools such as Ansible and Terraform
CBSbutler Holdings Limited trading as CBSbutler Hounslow, London
07/03/2026
Contractor
Data Scientist - Optimisation & Operations Research North West London (Hybrid, 3 days on-site) 550 - 750 /day The Opportunity We're recruiting on behalf of a globally recognised organisation undergoing a major transformation in how it uses data to drive operational decisions. This is a rare chance to work on genuinely complex, high-impact decision-support software - embedding cutting-edge optimisation and machine learning directly into live operations. You'll join a high-performing, Agile product squad as a full-stack Data Scientist, sitting at the intersection of data engineering, ML, and operations research. What You'll Be Doing Designing and delivering optimisation and ML models (linear/mixed-integer programming, heuristics, supervised/unsupervised learning) in Python, from prototype to production Building robust, automated data pipelines and integrating models into cloud-based deployment pipelines with CI/CD Owning features end-to-end - from stakeholder requirements through to algorithm hardening, edge-case handling, and value measurement Working with orchestration frameworks (Dagster/Airflow), experiment tracking (MLflow), and containerised infrastructure (Docker/ECS) Collaborating closely with business stakeholders and contributing to roadmap and feature prioritisation What We're Looking For Strong operational research and optimisation background - this is a must Fluent Python, with hands-on experience of scikit-learn, pandas, numpy, Gurobi or similar OR packages Production ML/optimisation software experience - you've shipped models that run at scale Cloud platform experience (AWS preferred); familiarity with SageMaker, DVC, GitHub Actions a bonus Strong SQL and data engineering fundamentals Experience in airline, aviation, transport, or engineering/maintenance environments is highly desirable Master's degree (or equivalent) in Data Science, ML, or Operational Research - or strong demonstrable industry experience
CBSbutler Holdings Limited trading as CBSbutler City, Swindon
06/03/2026
Contractor
Infrastructure Engineer months +Hybrid in Swindon - on site 2 days a week + 45- 49 ph Inside IR35 You will work closely with the customer's technical teams, supporting day-to-day operations and assisting with implementation activities within an established environment. Key Responsibilities Work alongside the customer as part of the implementation and BAU operations team Support and maintain existing infrastructure by following established operational processes Assist with day-to-day support, configuration, and operational tasks Collaborate with internal teams and customer stakeholders to maintain service stability Support virtualization, backup, and platform security tasks where required Skills & Experience General awareness or experience with HPE NonStop environments , including PAM and Sentinel Exposure to VMware technologies including ESX, vSphere, NSX, vCenter or vRealize Understanding of VMware host hardening and security practices Familiarity with Veritas NetBackup configuration Experience working within a BAU or operational infrastructure team Ability to follow documented processes and procedures in a structured environment
CBSbutler Holdings Limited trading as CBSbutler City, Swindon
06/03/2026
Contractor
Virtualisation and Backup Engineer months +Hybrid - 2 days on site in Swindon +Inside IR35 + 45- 49 ph We are looking for an experienced Virtualisation & Backup Engineer to join a project team supporting infrastructure design, configuration, and migration activities. This is a 12-month contract with 2 days per week onsite in Swindon , working within an established technical environment. Key Responsibilities Design and configure virtualisation platforms using VMware technologies Support and manage VMware ESX/ESXi environments Implement and manage VMware NSX networking and security Deliver Zerto backup design and configuration Plan and execute Zerto-based migrations Configure and maintain Veritas NetBackup solutions Work with project and operational teams to ensure reliable infrastructure and data protection Required Skills Strong experience with VMware (ESX/ESXi) and virtualisation platforms Hands-on experience with VMware NSX Zerto experience including backup design, configuration, and migrations Experience configuring and supporting Veritas NetBackup Solid understanding of enterprise infrastructure and disaster recovery This is an excellent opportunity to join a long-term project working with modern virtualisation and backup technologies in a collaborative technical team
CBSbutler Holdings Limited trading as CBSbutler Bristol, Gloucestershire
06/03/2026
Contractor
Technical Architect +7 months+ +Hybrid working in Bristol onsite 20% +SC cleared role + 100 - 105 ph +Inside IR35 We are looking for an SC Cleared Technical Architect to join a major programme delivering secure, mission-critical communications systems. This role is hybrid, with a mix of home working and time on site in Bristol collaborating with engineering teams and customers. The Role As Technical Architect, you will act as the technical authority for complex systems and services , leading the design of secure architectures and guiding engineering teams through key design decisions. A strong understanding of 3GPP technical standards is essential, as this role supports advanced communications and mission-critical technology environments. Key Responsibilities Act as the technical authority across systems and services. Design and evolve secure, scalable architectures aligned to customer requirements and secure-by-design principles. Lead technical reviews, trade-off analysis, and risk assessments . Contribute to technology roadmaps and innovation initiatives . Mentor and support engineers and architects within the technical community. Represent the organisation at technical boards, customer meetings, and industry forums . Support solution design, bids, and proposals for new opportunities. Essential Skills & Experience Active SC Clearance (or eligibility). Strong understanding of 3GPP technical standards - this is a key requirement for the role. Proven experience designing system and service architectures across infrastructure, networking, cloud, data, or applications. Knowledge of architecture frameworks such as TOGAF, MODAF, or NAF . Strong understanding of secure system design and cyber security principles . Experience delivering architecture within Agile or SAFe environments .
CBSbutler Holdings Limited trading as CBSbutler Penwortham, Lancashire
05/03/2026
Contractor
CROSS DOMAIN SME RATE: 700 - 850 a day LOCATION: Preston, Lancashire DURATION: 12 Months + SECTOR: Defence & CNI CLEARANCE: Active DV Required THE OPPORTUNITY We are working exclusively with a globally recognised prime defence contractor to identify a subject matter expert in Cross Domain Solutions (CDS) for a complex, high-assurance programme based in Preston. This is a senior, technically demanding role at the heart of a programme operating across multiple security domains and classification levels. You will provide deep technical expertise across the design, implementation, and assurance of cross domain transfer mechanisms - working closely with architects, security teams, and accreditors to ensure solutions meet the stringent requirements of a highly classified defence environment. WHAT YOU'LL BE DOING Acting as the programme's technical authority on all Cross Domain Solution matters Defining and owning CDS architecture, design patterns, and security controls Leading the evaluation, selection, and integration of accredited CDS products and technologies Working with security architects and accreditors to achieve and maintain system accreditation Providing SME input to risk assessments, HMG/MOD security reviews, and technical audits Developing and reviewing CDS-related security documentation (RMADS, SyOps, TRA) Advising on data guard design, content filtering, and information flow policy enforcement Liaising with NCSC, DSTL, and other government bodies as required by the programme Supporting transition and integration activity across classification boundaries WHAT WE'RE LOOKING FOR Active, current Developed Vetting (DV) clearance - non-negotiable Demonstrable SME-level expertise in Cross Domain Solutions within a UK defence or government environment Deep understanding of HMG information assurance policy, JSP 440, JSP 604, and SPF requirements Hands-on experience with accredited CDS products (e.g. Nexor, Owl, Forcepoint, or equivalent) Strong understanding of data guard architectures, content inspection, and policy enforcement engines Familiarity with MOD/DSTL accreditation and risk management processes (RMADS, ISO 27001) Experience producing and reviewing security case documentation for high-classification systems Ability to engage credibly with senior stakeholders, accreditors, and government technical authorities Prior experience on UK defence programmes at SECRET or above is highly desirable
CBSbutler Holdings Limited trading as CBSbutler Corsham, Wiltshire
05/03/2026
Contractor
Job title: Event Management Engineer Location: Corsham Duration: 6 months Rate: 430 per day inside ir35 SC security clearance is required for this role The Role Supporting a key programme within the UK defence environment, we're looking for a Monitoring / Event Management Engineer with strong Splunk and enterprise tooling experience to join the Hosting & Tooling team onsite at MOD Corsham. You'll play a key role in monitoring platform management, event correlation, and operational tooling, working closely with engineers, analysts, and client teams to maintain and improve monitoring capabilities across critical services. Key responsibilities include: Managing and optimising Splunk and enterprise monitoring tools Creating and maintaining event management policies and monitoring rules Developing Splunk queries (SPL), dashboards, and alerting logic Supporting tooling platforms such as BMC TrueSight, BMC Discovery, and Netcool Deploying and managing monitoring agents Producing technical documentation and architecture diagrams Supporting both operational (RUN) activities and project delivery Working directly with client teams to support monitoring requirements Building automation scripts and integrations (Python / PowerShell / APIs) Required Experience: Strong Splunk experience (SPL, dashboards, rules) Experience with enterprise monitoring platforms (BMC, Netcool, SolarWinds, Zabbix, Nagios etc.) Knowledge of event management and observability tooling Experience working across Windows, Linux, or AIX environments Scripting with Python or PowerShell Understanding of networking concepts and SNMP Experience building automation and integrations via REST APIs If you are interested in this role, please feel free to submit your CV. If you are interested in this role, please feel free to submit your CV.
CBSbutler Holdings Limited trading as CBSbutler Penwortham, Lancashire
05/03/2026
Contractor
OT Architect - DV Cleared Rate: 700 - 850 a day Location: Preston, Lancashire Duration: 12 months + Clearance : UKSV Developed Vetting (DV) Work Pattern : On-site / Preston The Opportunity We are working exclusively with a globally recognised prime defence contractor to identify experienced OT Architects for a critical, long-running programme based in Preston. This is a technically demanding role embedded within a complex, highly secure programme environment supporting some of the UK's most sensitive national infrastructure. You will operate at the intersection of Operational Technology, cybersecurity architecture, and systems engineering - shaping the OT landscape across a multi-platform, safety-critical programme. The work is genuinely consequential and the technical challenge significant. What You'll Be Doing Designing and owning end-to-end OT architecture across complex, multi-domain systems Developing reference architectures, patterns, and standards aligned to programme requirements Leading OT/IT boundary definition and network segmentation design (Purdue model / IEC 62443) Providing architectural assurance and technical governance across the programme Engaging with cross-functional engineering, security, and programme leadership teams Driving OT cyber security strategy and NCSC-aligned secure-by-design principles Supporting DRACAS, configuration management, and architecture change control processes Interfacing with MOD stakeholders and contributing to technical reviews and audits What We're Looking For Active, current Developed Vetting (DV) clearance Proven background in OT architecture within a defence, CNI, or regulated industrial environment Strong familiarity with IEC 62443, NIST SP 800-82, and/or equivalent OT security frameworks Experience with SCADA, ICS, PLC, or embedded/real-time systems architecture Solid understanding of OT/IT convergence, network segmentation, and secure system design Comfortable operating within formal systems engineering environments (e.g. MBSE, DODAF, NAF) Ability to communicate complex architectural concepts to both technical and non-technical audiences Experience in safety-critical or high-integrity systems is highly desirable
CBSbutler Holdings Limited trading as CBSbutler Penwortham, Lancashire
05/03/2026
Contractor
Security Architect months + +On site in Warton +Inside IR35 +DV cleared role Skills: +Security Architect +MOD +DV clearance Location: On-site, Warton Clearance: DV (Developed Vetting) - mandatory We are looking for a DV-cleared Security Architect to work on a high-profile defence programme on site in Warton. You will lead the design and assurance of secure systems, ensuring compliance with MOD security standards and embedding security by design across infrastructure, applications, and networks. Key Requirements: Proven experience as a Security Architect in defence, government, or secure environments. Strong knowledge of security architecture, risk management, and secure system design. Experience with secure networks, classified systems, and system accreditation. Excellent stakeholder engagement and documentation skills. Active DV clearance required. Desirable: Experience with MOD/aerospace programmes, cloud security in secure contexts, and zero trust architectures. If you'd like to discuss this role in more detail, please send your updated CV to (url removed) and I will get in touch.
CBSbutler Holdings Limited trading as CBSbutler Penwortham, Lancashire
05/03/2026
Contractor
Security Assurers x 2 + Long term contracts + Defence Aviation projects + Requires HLC + 650 to 750 per day Inside IR35 Key Skills: + Current DV + RMADS, Security Cases We're supporting a major UK defence aviation programme delivering critical airborne capability. As part of a high-performing security team, you'll be assuring complex, mission-critical systems in a live, high-stakes environment. This is proper national security work - not paperwork theatre. What you'll be doing: Leading and delivering security assurance across secure aviation systems Producing and reviewing RMADS, Security Cases and associated artefacts Working closely with technical architects, engineers and accreditors Ensuring compliance with MOD standards and JSP frameworks Identifying risk early and steering programmes away from expensive surprises
CBSbutler Holdings Limited trading as CBSbutler Lancaster, Lancashire
05/03/2026
Contractor
ITSM Service Manager + Long term project + High security clearance required + Fully onsite in North West + 600 to 700 per day - Inside IR35 + DV Cleared Overview The ITSM Service Manager is responsible for managing and delivering security services across IT projects and live environments. The role focuses on protecting systems, data, and services while ensuring security is embedded into project delivery-not bolted on at the end. We're looking for an experienced Service Manager to take ownership of IT service delivery across a fast-paced, business-critical environment. This role sits at the heart of operations - ensuring services are stable, performant and continuously improving. The Role As Service Manager, you'll be responsible for end-to-end service management, aligning IT delivery with business needs while driving best practice across ITSM processes. Key Responsibilities Own and manage IT services across their full lifecycle Lead ITSM processes including Incident, Problem, Change and Service Request Management Ensure SLA and KPI targets are defined, monitored and achieved Chair CAB meetings and oversee change governance Drive service improvement initiatives and CSI plans Act as the key escalation point for major incidents Produce service reports and present performance insights to stakeholders Manage third-party suppliers and ensure contractual service obligations are met Experience Required Proven experience in a Service Manager or IT Service Delivery role Strong working knowledge of ITIL / ITSM frameworks Experience managing SLAs, OLAs and supplier performance Background in leading major incident management Ability to engage and influence senior stakeholders ITIL certification (v3 or v4) desirable
CBSbutler Holdings Limited trading as CBSbutler
05/03/2026
Contractor
Senior Security & Technology Consultants Location: Warton, UK (On-Site - 5 Days per Week) Clearance Required: Valid MOD DV (Mandatory) Engagement Type: Contract (Inside IR35) Day Rate: 500 - 900 per day (dependent on role and experience) Overview We are seeking experienced Security & Technology Professionals to support critical programmes in a secure defence environment. These roles span architecture, assurance, operations, and technical delivery disciplines and require individuals who can operate effectively within highly regulated, mission-critical settings. All positions are based full-time on-site in Warton (5 days per week) and require candidates to hold a current and valid MOD DV clearance at the time of application. Scope of Opportunities We are hiring across multiple security and technology disciplines, including: Security Architects Security Assurers Information Security Consultants SOC Analysts OT Architects Cross Domain SMEs IT Administrators Service Managers Product Security Managers Penetration Testing Specialists Technical Project / Programme Managers Key Responsibilities (Role Dependent) Security Architecture & Design Define and review secure architectures across enterprise IT and OT environments. Act as technical authority for secure system design and implementation. Lead threat modelling, risk assessments, and security design reviews. Ensure compliance with defence security standards and secure-by-design principles. Security Assurance & Governance Deliver independent security assurance across programmes. Support accreditation activities and compliance reviews. Develop and maintain security documentation, standards, and risk registers. Security Operations & SOC Monitor, analyse, and respond to security events and incidents. Strengthen detection, response, and resilience capabilities. Support vulnerability management and remediation activities. OT & Cross Domain Security Provide expertise in Operational Technology environments. Design and assure secure cross-domain solutions and data transfer mechanisms. Evaluate network segregation and high-assurance controls. Penetration Testing & Vulnerability Management Conduct or oversee penetration testing engagements. Assess vulnerabilities and validate remediation strategies. Support red/blue team activities where required. Service & Product Security Embed security into live service management processes. Act as Product Security lead across development lifecycles. Integrate DevSecOps controls and secure SDLC practices. Technical Delivery & Programme Support Manage security-focused technical workstreams. Provide governance reporting to senior stakeholders. Translate technical risks into business impact and mitigation plans. Essential Requirements Valid and transferable MOD DV clearance (mandatory). Availability to work on-site in Warton, 5 days per week. Strong background in one or more of the listed security disciplines. Experience working in secure, defence, or highly regulated environments. Relevant certifications (e.g., CISSP, CISM, TOGAF, CREST, cloud certifications).
CBSbutler Holdings Limited trading as CBSbutler
03/03/2026
Contractor
Senior Technical Architect Location: Bristol (Hybrid Working Available) Start Date: ASAP Duration: 7 months + Rate: 95 - 105 per hour - Inside IR35 Shape the Future of Secure, Mission-Critical Systems Are you ready to lead technical design for complex, high-impact programmes? We're seeking a Senior Technical Architect to provide strategic technical leadership across critical systems and services. This is an opportunity to influence roadmaps, drive innovation, and ensure solutions are secure, resilient, and future-ready. Working in a collaborative, agile environment, you'll take ownership of architectural direction while mentoring others and engaging senior stakeholders. A hybrid working model is available, combining on-site collaboration in Bristol with remote flexibility. The Role As a Senior Technical Architect, you will: Act as the technical authority for systems and services. Define and evolve architectures aligned to customer needs, architectural principles, and secure-by-design standards. Contribute to technology and business roadmaps, identifying opportunities for innovation and improvement. Lead technical reviews, trade-off analyses, and risk assessments for major design decisions. Mentor and coach architects and engineers, raising capability across the technical community. Represent the organisation at senior customer forums, technical boards, and industry events. Support business development activities, including technical bids and proposal input. Champion best practice, reuse, and model-based design approaches. What You'll Bring Essential Experience & Skills: Proven expertise in system and service architecture (infrastructure, applications, data, networking, cloud). Knowledge of architecture frameworks such as TOGAF, MODAF, or NAF. Strong knowledge of 3GPP technical standards. Advanced understanding of secure system design and cyber security standards. Experience shaping architecture within Agile or SAFe delivery environments. Strong stakeholder engagement and communication skills. Ability to mentor, coach, and provide thought leadership. Technical Skills Must Have: 3GPP Specifications Amazon AWS Cloud Practitioner (certification or equivalent experience) Nice To Have: ArchiMate AWS Solutions Architect Certified TOGAF Enterprise Architect DevOps / DevSecOps ESN / TETRA Mission Critical Communications Desirable Experience Industry certifications (e.g., TOGAF, ArchiMate). Vendor certifications (e.g., AWS). Knowledge of emergency services communications environments. Experience with mission-critical communications software. Exposure to cloud-native, DevSecOps, and automation approaches. Experience contributing to enterprise technology strategy and international programmes. Background in service design, digital transformation, or operational modernisation. Experience presenting at senior technical boards or conferences. Security Clearance This role is subject to UK pre-employment screening in line with BPSS standards. Eligibility for Security Check (SC) or Developed Vetting (DV) may be required.
CBSbutler Holdings Limited trading as CBSbutler City, Birmingham
03/03/2026
Contractor
We're looking for a Splunk & OpenShift Observability Engineer to design, deploy, and optimise enterprise-grade monitoring across hybrid Kubernetes and OpenShift environments. This is a high-impact role where you'll shape observability strategy, enhance service intelligence, and ensure platform reliability at scale - balancing performance, cost efficiency, and security governance. You'll work at the intersection of platform engineering, observability, and service intelligence, helping to transform raw telemetry into actionable insight. This is an opportunity to influence reliability strategy, improve operational maturity, and deliver measurable value across a modern cloud-native estate. What You'll Be Doing Design, deploy, and operate Splunk Enterprise and ITSI across hybrid Kubernetes/OpenShift platforms Onboard and normalise data at scale (HEC, Universal Forwarder, Deployment Server), aligning to CIM standards Build and optimise ITSI service models: service trees, KPIs, adaptive thresholds, NEAP policies, glass tables, deep dives, and health scoring Deliver OpenShift-focused executive and operational dashboards, including: Cluster/API/etcd health Node readiness and resource pressure Pod restart trends and noisy-neighbour detection Network and storage error visibility Capacity, quota, and burst analysis Optimise search and platform performance (workload rules, DMA, summary indexing, scheduling hygiene, concurrency tuning) Implement intelligent alerting and automated routing into ITSM and ChatOps platforms, including enrichment, suppression windows, and maintenance scheduling Govern data ingestion and security controls (RBAC, retention, PII handling, TLS, token governance, index and role mapping) Integrate telemetry pipelines including OpenTelemetry, Prometheus, Fluentd/Fluent Bit/Vector, Kafka, CMDB and AIOps/ML solutions Drive SLO/KPI alignment, golden signal monitoring, rollout/rollback health validation, and executive reporting What You'll Bring Deep expertise in Splunk Enterprise (SPL mastery, CIM alignment, saved searches, macros, KV stores, index/retention/RBAC design, performance tuning) Strong experience with Splunk ITSI (service trees, KPIs, adaptive/time-based thresholds, NEAP tuning, Service Analyzer configuration) Proven OpenShift/Kubernetes observability experience across control-plane metrics, events, logs, workload correlation, and capacity management Hands-on experience with telemetry pipelines (OpenTelemetry/OTLP, Prometheus exporters, Fluentd/Fluent Bit/Vector, Kafka with TLS, HEC/UF/DS onboarding) Strong understanding of reliability engineering principles (golden signals, SLO design, namespace/application KPI mapping) Experience optimising performance and licensing costs using workload rules, DMA, and summary indexing Solid security and compliance knowledge (TLS/mTLS, certificate/token hygiene, PII controls, auditability, role/index mapping) Automation and integration expertise across ITSM, ChatOps, webhooks, CMDB enrichment, and AIOps tooling
CBSbutler Holdings Limited trading as CBSbutler
03/03/2026
Contractor
We're looking for a Splunk & OpenShift Observability Engineer to design, deploy, and optimise enterprise-grade monitoring across hybrid Kubernetes and OpenShift environments. This is a high-impact role where you'll shape observability strategy, enhance service intelligence, and ensure platform reliability at scale - balancing performance, cost efficiency, and security governance. You'll work at the intersection of platform engineering, observability, and service intelligence, helping to transform raw telemetry into actionable insight. This is an opportunity to influence reliability strategy, improve operational maturity, and deliver measurable value across a modern cloud-native estate. What You'll Be Doing Design, deploy, and operate Splunk Enterprise and ITSI across hybrid Kubernetes/OpenShift platforms Onboard and normalise data at scale (HEC, Universal Forwarder, Deployment Server), aligning to CIM standards Build and optimise ITSI service models: service trees, KPIs, adaptive thresholds, NEAP policies, glass tables, deep dives, and health scoring Deliver OpenShift-focused executive and operational dashboards, including: Cluster/API/etcd health Node readiness and resource pressure Pod restart trends and noisy-neighbour detection Network and storage error visibility Capacity, quota, and burst analysis Optimise search and platform performance (workload rules, DMA, summary indexing, scheduling hygiene, concurrency tuning) Implement intelligent alerting and automated routing into ITSM and ChatOps platforms, including enrichment, suppression windows, and maintenance scheduling Govern data ingestion and security controls (RBAC, retention, PII handling, TLS, token governance, index and role mapping) Integrate telemetry pipelines including OpenTelemetry, Prometheus, Fluentd/Fluent Bit/Vector, Kafka, CMDB and AIOps/ML solutions Drive SLO/KPI alignment, golden signal monitoring, rollout/rollback health validation, and executive reporting What You'll Bring Deep expertise in Splunk Enterprise (SPL mastery, CIM alignment, saved searches, macros, KV stores, index/retention/RBAC design, performance tuning) Strong experience with Splunk ITSI (service trees, KPIs, adaptive/time-based thresholds, NEAP tuning, Service Analyzer configuration) Proven OpenShift/Kubernetes observability experience across control-plane metrics, events, logs, workload correlation, and capacity management Hands-on experience with telemetry pipelines (OpenTelemetry/OTLP, Prometheus exporters, Fluentd/Fluent Bit/Vector, Kafka with TLS, HEC/UF/DS onboarding) Strong understanding of reliability engineering principles (golden signals, SLO design, namespace/application KPI mapping) Experience optimising performance and licensing costs using workload rules, DMA, and summary indexing Solid security and compliance knowledge (TLS/mTLS, certificate/token hygiene, PII controls, auditability, role/index mapping) Automation and integration expertise across ITSM, ChatOps, webhooks, CMDB enrichment, and AIOps tooling
CBSbutler Holdings Limited trading as CBSbutler City, Sheffield
03/03/2026
Contractor
We're looking for a Splunk & OpenShift Observability Engineer to design, deploy, and optimise enterprise-grade monitoring across hybrid Kubernetes and OpenShift environments. This is a high-impact role where you'll shape observability strategy, enhance service intelligence, and ensure platform reliability at scale - balancing performance, cost efficiency, and security governance. You'll work at the intersection of platform engineering, observability, and service intelligence, helping to transform raw telemetry into actionable insight. This is an opportunity to influence reliability strategy, improve operational maturity, and deliver measurable value across a modern cloud-native estate. What You'll Be Doing Design, deploy, and operate Splunk Enterprise and ITSI across hybrid Kubernetes/OpenShift platforms Onboard and normalise data at scale (HEC, Universal Forwarder, Deployment Server), aligning to CIM standards Build and optimise ITSI service models: service trees, KPIs, adaptive thresholds, NEAP policies, glass tables, deep dives, and health scoring Deliver OpenShift-focused executive and operational dashboards, including: Cluster/API/etcd health Node readiness and resource pressure Pod restart trends and noisy-neighbour detection Network and storage error visibility Capacity, quota, and burst analysis Optimise search and platform performance (workload rules, DMA, summary indexing, scheduling hygiene, concurrency tuning) Implement intelligent alerting and automated routing into ITSM and ChatOps platforms, including enrichment, suppression windows, and maintenance scheduling Govern data ingestion and security controls (RBAC, retention, PII handling, TLS, token governance, index and role mapping) Integrate telemetry pipelines including OpenTelemetry, Prometheus, Fluentd/Fluent Bit/Vector, Kafka, CMDB and AIOps/ML solutions Drive SLO/KPI alignment, golden signal monitoring, rollout/rollback health validation, and executive reporting What You'll Bring Deep expertise in Splunk Enterprise (SPL mastery, CIM alignment, saved searches, macros, KV stores, index/retention/RBAC design, performance tuning) Strong experience with Splunk ITSI (service trees, KPIs, adaptive/time-based thresholds, NEAP tuning, Service Analyzer configuration) Proven OpenShift/Kubernetes observability experience across control-plane metrics, events, logs, workload correlation, and capacity management Hands-on experience with telemetry pipelines (OpenTelemetry/OTLP, Prometheus exporters, Fluentd/Fluent Bit/Vector, Kafka with TLS, HEC/UF/DS onboarding) Strong understanding of reliability engineering principles (golden signals, SLO design, namespace/application KPI mapping) Experience optimising performance and licensing costs using workload rules, DMA, and summary indexing Solid security and compliance knowledge (TLS/mTLS, certificate/token hygiene, PII controls, auditability, role/index mapping) Automation and integration expertise across ITSM, ChatOps, webhooks, CMDB enrichment, and AIOps tooling
CBSbutler Holdings Limited trading as CBSbutler Bracknell, Berkshire
02/03/2026
Contractor
3rd Line Infrastructure Engineer +6 months + +Hybrid in Bracknell +SC cleared role - Sole British nationals due to nature of the project + 500 - 570 a day +Inside IR35 Skills: +3rd Line support experience +VMware +Active Directory +Powershell +MOD experience +Sc clearance - must be active Key Responsibilities: Manage and maintain the virtualisation environment (VMWare) Windows Server administration (Apply online only) Advanced troubleshooting and problem resolution for complex infrastructure issues Apply best practice principles to optimise service delivery and operations BAU Support activities Server infrastructure monitoring and lifecycle management Your experience: Experience working in a 3rd Line support role Experience supporting MS Office applications Active Directory & Group Policy VMWare vSphere Infrastructure, VMWare Horizon Microsoft System Centre (SCOM, SCCM, SCSM) Trellix and/or TrendMicro Security Products Veeam backup and recovery PowerShell scripting for automation and data mining Developing and maintaining documentation MOD Experience If you'd like to discuss this 3rd line Infrastructure Engineer role in more detail, please send your updated CV to (url removed) and we will get in touch.