Hamilton Barnes

14 job(s) at Hamilton Barnes

Hamilton Barnes
10/06/2026
Contractor
Incident and Problem Management Analyst - 6 Month Contract- Inside IR35- Fully Remote Location: Remote Contract: 6 months Rate: £275 per day Inside R35 Start Date: ASAP Role Overview: We are looking for an Incident and Problem Management Analyst to join on a contract basis, serving as the first point of contact for technical support and incident resolution across the organisation. The role is responsible for managing the incident and problem life cycle, ensuring SLA compliance, and coordinating across Service Desk, ITSM, and SIAM teams to deliver high-quality service outcomes. Note: Active SC clearance is required. Key Responsibilities: Act as the point of contact for all incidents and problem records, monitoring SLA compliance, chairing bridge calls, and coordinating escalation of major and high-priority incidents to consistent quality standards Identify, initiate, and conduct incident and problem reviews, ensuring timely closure of resolved records and producing postmortem reports with tracked actions for IT management Produce trend analysis of recurring problems and incidents by type, customer, department, and hardware, identifying process enhancement opportunities and driving resolutions Deliver high-standard communications to customers and IT stakeholders throughout incident and problem life cycles, representing the service management viewpoint in customer meetings and SLA reviews Coordinate with onsite and offshore teams across SIAM, ITSM, and business functions, supporting BAU deliverables within required turnaround times and quality standards, including on-call support outside business hours Top 5 Skills: ITIL certification or demonstrable strong knowledge of ITIL incident and problem management processes - essential Proven experience in a busy service desk or ITSM environment managing incidents and problems, with strong understanding of SLA measurement and reporting Sound technical knowledge across ITSM tools and applications including MS Office and Teams, with experience working within Safe and Agile DevOps methodologies Excellent verbal and written communication skills with demonstrable customer management ability, including chairing meetings and leading communications across technical and non-technical audiences Strong interpersonal, planning, and leadership skills with the ability to work across onsite and offshore teams and provide on-call support - SC clearance required
Hamilton Barnes
10/06/2026
Contractor
Cyber Security Engineer - 6 Month Contract- Inside IR35- Hybrid in London Rate: £500 per day Inside IR35 Location: Hybrid in London Role Overview: We are looking for a Cyber Security Engineer to join on a contract basis, operating as the senior hands-on secure engineer and principal authority on threat modelling, control validation, and security evidence across a CIS Controls v8.1 IG3 programme. The role combines senior cyber architect and SME responsibilities, validating every delivery activity from requirements capture through architecture, build, testing, live validation, and operational handover to BAU. Key Responsibilities: Operate as senior cyber engineer across the full programme life cycle, authoring threat models, control intent statements, and security architecture - chairing Security Council reviews at architecture stage gates and approving detailed security designs before build commences Break down every programme activity through a cyber security lens, defining and evidencing Definition-of-Done acceptance criteria at every stage gate from requirements through to BAU handover Lead security testing, penetration testing, control validation, and evidence pack creation at the test stage gate, revalidating the threat model and signing off that security architecture is proven by test evidence Configure and validate operational controls, manage monitoring tuning, alert calibration, and IR playbook readiness at deployment and hyper-care stages, establishing KRI baselines Liaise directly with external assurance providers on threat-model defensibility, control effectiveness, and evidence chain across the full CIS Controls v8.1 IG3 scope What You Will Ideally Bring: 12+ years cyber engineering and security architecture experience at enterprise scale, with 5+ years hands-on security design and validation - operating as both design authority and hands-on implementer Expert threat modelling at scale using STRIDE, MITRE ATT&CK, and OWASP, with direct experience across CIS Controls v8.1, NIST CSF, and ISO 27001/27002 frameworks Hands-on penetration testing and security testing track record, with proficiency across the full tech stack including CrowdStrike, Microsoft Sentinel, Qualys, Semgrep, Snyk, Burp Suite, and Akamai WAF Proven DevSecOps practice with security gates Embedded in CI/CD, end-to-end Agile delivery, and executive-grade stakeholder engagement including CISO, Security Council, and external assurance bodies Essential certifications: CISSP plus one of CISM/CISA/CCSP/SABSA/CRISC, and one penetration testing certification (OSCP, GIAC GPEN, or CEH)
Hamilton Barnes
10/06/2026
Contractor
Salesforce Developer (Sales Cloud/Service Cloud/Agentforce) - 12-Month Contract - London This role is for all Football X Salesforce lovers. Contracting role based in London (fully on-site) for a 12-month engagement within a retail/consumer environment working for one of Londons leading football clubs. Operating as an individual contributor within an Agile/Scrum squad, you will act as the core developer for Sales Cloud, Service Cloud, and Agentforce, owning BAU platform management, CI/CD release processes via Copado, and the AWS Connect contact centre integration - ensuring seamless end-to-end customer journeys across a complex Salesforce ecosystem. Your responsibilities: Own day-to-day technical operations across Sales Cloud, Service Cloud, Agentforce, and AWS Connect post-launch, ensuring system stability and performance Design, build, test, and deploy bespoke Salesforce solutions using Apex, Lightning Web Components, and integrations to support evolving business requirements Take full ownership of the release management process, using Copado to orchestrate and automate deployments from Sandbox through to Production Manage and optimise the AWS Connect integration with Salesforce Service Cloud and Agentforce, including CTI screen pops, omnichannel routing, and call flows Act as the primary technical escalation point for system bugs, integration faults, telephony routing issues, and complex user queries Essential skills/knowledge/experience: 4-6 years of Salesforce development experience - essential Deep, hands-on expertise in Sales Cloud and Service Cloud with practical Agentforce deployment experience Proven proficiency in Copado for CI/CD pipeline ownership and release management - essential Hands-on experience configuring and maintaining AWS Connect (Amazon Connect), including CTI adapters, contact flows, and omnichannel routing Strong Apex and Lightning Web Components development skills with a clear understanding of declarative vs. programmatic approaches Working knowledge of Data Cloud, MuleSoft, Commerce Cloud, and Marketing Cloud for ecosystem alignment The Offer Day Rate: £500/day (inside IR35) Length: 12 months (Extenstion Potential) Mode: London Office (Onsite) Start: ASAP
Hamilton Barnes Windsor, Berkshire
10/06/2026
Contractor
Salesforce Tech Lead - 6-Month Contract - Inside IR35 - Hybrid (Windsor, 1 Day Onsite) We are looking for an experienced Salesforce Tech Lead to support the delivery of scalable Salesforce solutions within a large enterprise transformation programme. In this role, you will lead technical delivery across Salesforce platforms, working closely with Solution Architects, QA teams, and stakeholders to deliver high-quality solutions across Sales Cloud, Service Cloud, and Experience Cloud environments. Key Responsibilities Lead technical delivery across Salesforce development workstreams Support solution design, sprint planning, and task breakdown activities Ensure delivery of scalable, high-quality Salesforce solutions Conduct code reviews and maintain development best practices Coordinate integrations and API alignment across multiple teams Work closely with QA teams to resolve defects and technical issues Mentor junior developers and support Agile delivery processes Key Skills Required Strong Salesforce development experience across declarative and programmatic development Experience with Sales Cloud, Service Cloud, and Experience Cloud Experience leading Salesforce projects and delivery teams Strong knowledge of Apex, Lightning, integrations, and Salesforce architecture Experience with Git or similar version control tools Experience working within Agile/SCRUM environments Salesforce Industries (Vlocity) experience would be advantageous Strong stakeholder communication and team leadership skills Contract Details Duration: 6 months Day Rate: Negotiable Determination: Inside IR35 Location: Hybrid - Windsor (1 day onsite per week) Start Date: ASAP
Hamilton Barnes Windsor, Berkshire
10/06/2026
Contractor
D365 F&O Developer - 6-Month Contract - Hybrid (Windsor, 1 Day Onsite) - Inside IR35 We are looking for an experienced D365 F&O Developer to support the development and enhancement of enterprise-scale Microsoft Dynamics 365 Finance & Operations solutions within a complex transformation programme. You will work closely with Solution Architects, business stakeholders, and delivery teams to design, develop, and support scalable cloud-based applications across Finance, Billing, and Payments functions. Key Responsibilities Develop and customise solutions within Microsoft Dynamics 365 Finance & Operations using X and .NET Support integrations with external systems using Dataverse, DMF, Power Platform, Dual Write, and web services Collaborate with stakeholders to analyse requirements and deliver scalable technical solutions Support Azure DevOps pipelines, repositories, automation, and release processes Review and support technical designs to ensure quality and alignment with project requirements Troubleshoot and resolve technical and integration issues across the D365 environment Key Skills Required Strong hands-on D365 F&O development experience Advanced X and SQL skills Experience with .NET technologies and full life cycle ERP implementations Strong experience integrating D365 F&O with external systems and cloud platforms Azure DevOps experience including pipelines and automation Experience with Power Platform, Dataverse, DMF, and Dual Write Strong communication and stakeholder engagement skills Contract Details Duration: 6 months Day Rate: Negotiable Determination: Inside IR35 Location: Hybrid - Windsor (1 day onsite per week) Start Date: ASAP
Hamilton Barnes
10/06/2026
Contractor
Python Senior Engineer - 12 Months - London - Hybrid You will join the Recommendations team, contributing to the AI Stylist experience, an AI-powered product that combines conversational interfaces with recommendation capabilities. The work sits at the intersection of engineering and AI, focused on improving relevance, quality, and reliability in a live, customer-facing system. You will collaborate closely with engineers, data scientists, and product stakeholders to evolve the system and support its rapid growth Your responsibilities: Building and evolving AI-powered services using Python Designing and implementing evaluation frameworks for LLM-based systems Improving output quality through structured evals rather than purely code changes Applying techniques such as LLM-as-a-Judge to assess response and recommendation quality Working with non-deterministic systems and iterating based on real-world behaviour Integrating AI services into a broader platform and API ecosystem Contributing to production readiness including reliability, observability, and performance Partnering with data scientists on prompts, model usage, and evaluation strategies Essential skills/knowledge/experience: Strong Python engineering experience in production environments Experience building AI-enabled applications, particularly in recommendation or conversational systems Hands-on experience with evaluation frameworks for LLM or AI systems Clear understanding of how AI systems differ from traditional deterministic systems Ability to design meaningful evals and improve system quality over time Experience working in cross-functional teams with engineering, data, and product Desirable skills/knowledge/experience: Experience with Azure AI services or similar platforms Familiarity with OpenAI or similar SDKs Exposure to infrastructure and distributed systems Experience with tools such as Terraform or Kafka The Offer Day Rate: £450/day (inside IR35) Length: 12 Months (Extenstion Potential) Mode: Hybrid (2x p/w in London) Start: ASAP
Hamilton Barnes Wokingham, Berkshire
10/06/2026
Contractor
Python Developer - 6 months - Wokingham We are seeking an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power system techno-economic assessment. The ideal candidate will have deep knowledge of Python's core features, data analysis, web frameworks, and modern development practices. Experience with mathematical optimization tools, containerization, and message-queue technologies will be considered a significant advantage. Your Responsibilities Develop, optimize, and maintain software using core Python features including iterators/generators, exception handling, file handling, type hints, OOP, and data structure design. Build scalable algorithms and write clean, maintainable, and well-structured code. Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI. Work with Python web frameworks such as Flask, Django, FastAPI, and Jinja2. Data, Analytics & Databases Perform data manipulation and analysis using tools like Pandas and NumPy. Design, query, and maintain both relational databases (eg, PostgreSQL) and NoSQL/document stores (eg, MongoDB). Build data pipelines and support analytics dashboards and visualizations in Python. Mathematical Modelling & Optimization Develop and solve Linear Programming (LP), Mixed Integer Linear Programming (MILP), and other optimization models. Use optimization tools and libraries such as Pyomo, AMPL, Gurobi, CPLEX, or similar solvers. Model the behaviour of power system components including generation assets, demand profiles, and network elements. Contribute to techno-economic assessments of power systems using Python-based models. Quality Assurance & DevOps Write unit tests using unittest or pytest, with exposure to Test-Driven Development (TDD) methodologies. Your Profile & Skills Strong proficiency in Python programming and its optimization/analytics ecosystems. Proven experience with algorithm development and computational problem-solving. Hands-on experience with data analytics, visualization, and database systems. Solid understanding of power system modelling, techno-economic simulation, and energy systems. Strong debugging, profiling, and performance optimization skills. Excellent communication and documentation abilities. Experience using Pyomo, AMPL, Gurobi, CPLEX, or similar optimization tools. Working knowledge of containerization and cloud-native deployment. Familiarity with RabbitMQ/Kafka, microservice architecture, and distributed systems. The Offer: Day Rate: £325/day (Inside IR35) Length: 6 months (extension potential) Start: ASAP Mode: 5 Days On Site Python Developer - 6 months - Wokingham
Hamilton Barnes
04/06/2026
Contractor
Operational Lead-PKI Certificate Services- 9 Months- Inside IR35- Hybrid in London Contract Type: Initial 9 Month Contract Rate: £500 per day inside IR35 Location: Hybrid in London Role Overview: A 9-month contract role based in London (Hybrid) paying £500 per day, focused on establishing and managing PKI Certificate Services operations within a large enterprise. The position is responsible for end-to-end certificate life cycle management, governance, and compliance while driving modernisation initiatives including Legacy cryptography remediation. The role also supports the organisation's readiness for emerging cryptographic standards including Post-Quantum Cryptography. Key Responsibilities: Manage and operationalise PKI Certificate Services, driving the full certificate life cycle including issuance, renewal, revocation, and expiry handling. Implement and enhance automation for certificate processes, contributing to the wider certificate services roadmap and strategy. Define and enforce certificate governance frameworks, ensuring compliance with NIS2, NITC, and enterprise security policies. Identify and remediate Legacy cryptographic weaknesses, and support adoption readiness for Post-Quantum Cryptography (PQC). Collaborate across internal teams (ADCS environment), external providers such as DigiCert, and global stakeholders including US-based teams. What You Will Ideally Bring: PKI & certificate management - Strong, hands-on experience managing PKI infrastructure and certificate services at enterprise scale, covering the full certificate life cycle. ADCS expertise- Proven hands-on experience with Active Directory Certificate Services (ADCS) in complex, large-scale environments. External CA management- Experience working with external Certificate Authorities such as DigiCert, including integration, policy management, and governance. Certificate life cycle automation- Demonstrated ability to implement and enhance automation for certificate processes, ideally using PowerShell or similar Scripting tools. Cryptographic standards & compliance- Solid understanding of cryptographic protocols and standards, with knowledge of security governance frameworks and regulatory requirements such as NIS2; awareness of Post-Quantum Cryptography is a strong advantage.
Hamilton Barnes
06/10/2025
Contractor
Azure Logic App Specialist - 6 months - Remote - Outside IR35 We are seeking a dedicated Azure Logic App Specialist for a 6-month contract to work directly with a key customer. This role involves designing and developing a series of playbooks, providing expert-level support and development of Azure Logic Apps in a fully remote capacity. Key Responsibilities: Design, develop, and maintain Azure Logic Apps workflows and playbooks. Utilize connectors effectively to integrate various services within Logic Apps. Implement error handling, monitoring, and best practices to ensure resilient cloud integrations. Act as the primary subject matter expert (SME) on Azure Logic Apps for the customer. Collaborate closely with the customer to deliver tailored Logic App solutions. Provide continuous support and troubleshooting for Logic App implementations. What You Will Ideally Bring: Deep hands-on experience with Azure Logic Apps and related connectors. Strong understanding of workflow design, error handling, and monitoring within Logic Apps. Proven ability to deliver resilient and scalable cloud integration solutions. Experience acting as a subject matter expert and trusted advisor on Azure Logic Apps. Excellent communication skills and ability to work closely with customers remotely. Strong problem-solving and analytical abilities. Contract Details: Duration: 6 months Location: Remote Day Rate: Up to £500 per day (Outside IR35) Azure Logic App Specialist - 6 months - Remote - Outside IR35
Hamilton Barnes Bristol, Somerset
06/10/2025
Contractor
Infrastructure Solution Architect - Outside IR35 - DV Cleared Overview My close client is looking for a DV Cleared Solution Architect with strong technical and security expertise to design and deliver solutions across Windows, Linux, and application environments. You'll be responsible for producing low-level designs, guiding delivery teams, and ensuring security standards are met. Contract Details: Duration: 6 months (Long term program) Day Rate: Competitive - Outside IR35 Location: Farnborough/Bristol Start Date: ASAP Responsibilities Design and document secure solutions (HLD/LLD). Provide expertise in application development and solution integration. Lead design and deployment of PAM, antivirus, and endpoint security. Support stakeholders with technical guidance and security compliance. Leverage knowledge of Active Director and SAND in architectural designs. Requirements Active DV Clearance (mandatory). Proven experience as a Solution Architect in secure environments. Strong knowledge of Windows & Linux platforms. Background in application development. Hands-on experience with PAM, antivirus, endpoint protection. Experience producing low-level design documentation. Knowledge of Active Director and SAND technologies. Infrastructure Solution Architect - Outside IR35 - DV Cleared
Hamilton Barnes
03/10/2025
Contractor
Palo Alto Engineer - 3-Month Contract - Central London - Outside IR35 We are looking for a Palo Alto Engineer to join a global organisation on an initial 3-month contract, working 2-3 days per week onsite in Central London. You'll play a key role in high-impact implementation projects, leading the migration from Legacy Cisco and Palo Alto platforms to the latest next-generation technologies. Key Skills: Strong background in Cisco and Juniper Routing and Switching (R&S) Expert knowledge of Network Security technologies - Cisco ASA, FirePOWER and Palo Alto (Panorama) Experience in configuring Switches and VLANs Excellent communication skills with the ability to work closely with customers Contract Details: Duration: 3 months Location: Hybrid (2-3 days per week Central London) Day Rate: Up to £350 per day (Outside IR35) Palo Alto Engineer - 3-Month Contract - Central London - Outside IR35
Hamilton Barnes
01/10/2025
Contractor
Network Consulting Engineer - 6 months - MUST BE BASED IN SCOTLAND Overview My client is looking for an experienced Network Consultant to take the lead on end-to-end project delivery, provide expert technical support, and act as a trusted advisor to clients. This is a hands-on role that combines design, implementation, troubleshooting, and mentoring, with responsibility for driving successful project outcomes and resolving complex technical challenges. Contract Details: Duration: 6 months (Long term program) Day Rate: Outside IR35 Location: Glasgow/Aberdeen/Edinburgh - Hybrid Start Date: ASAP Responsibilities Lead projects through the full life cycle, from design to implementation. Own and resolve technical issues, ensuring root cause analysis and long-term fixes. Deliver engineering services, including low-level design, implementation, and consultancy. Serve as an escalation point for advanced network and security incidents. Troubleshoot and resolve complex network and security problems quickly and effectively Requirements Strong experience in network and security engineering roles. Proven Cisco experience Proven ability to design, implement, and support complex solutions. Skilled in troubleshooting and resolving advanced technical issues. Background in delivering consultancy and project-based services. Excellent communication skills, with the ability to mentor and support others. Network Consulting Engineer - 6 months - MUST BE BASED IN SCOTLAND
Hamilton Barnes
18/08/2023
Contractor
Corporate Real Estate Solutions Architect - 6 Month Contract - London (1 Day P/W) - Inside IR35 Hamilton Barnes I'm currently representing a large financial firm who are looking for a Corporate Real Estate Solutions Architect on an initial 6 month contract with a view to extension. Key Requirements & Responsibilities: Collaborate with stakeholders to understand business strategy and create architecture roadmaps. Strong technical background across IT domains: infrastructure and application architecture, systems integration, workflow, data management, etc. Proficient in Enterprise Architecture, linking it to business strategy and roadmaps. Familiarity with Cloud solutions (AWS, Google GCP, Azure) and strategic partners. Direct experience translating strategies into roadmaps with business stakeholders. Domain knowledge in Corporate Real Estate Technology (IWMS). Exposure to data and business architecture. Contract Details: Duration - 6 months Location - London/Sheffield (1 Day Per Week Onsite) Determination - Inside IR35 Start Date - ASAP Please reach out if you are currently looking for your next contract role! If you are currently looking for a new role that matches this description, then please email me on (see below) with an updated version of your CV.
Hamilton Barnes
24/09/2022
Contractor
DevSecOps Engineer | 6 months | UK Remote One of my consultancy clients are looking for a DevSecOps Engineer for an initial 6 month contract with one of their financial customers. Key Skills/Responsibilities: Expertise in providing product support and implement bug fixes provided by the product vendor. Experience with System Monitoring Tools and Experience with Scripting Building and setting up new Development Tools and Provision secure Infrastructure Good Experience with DevSecOps and exposure to tools like Aquasec and Nexus Iq Any Hashicorp Vault, Aquasec, SonarQube is highly desired Google Cloud Experience Contract Details: Start Date: ASAP Duration: 6 months Location: Main Office is London (Remote working) Pay Rate: £550 per day (Inside IR35)