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Contractor 14
Information Technology London security architect

14 security architect jobs found in London

CL
Apr 04, 2026  
Lead Security Architect (SC Cleared Role)
Network IT is currently recruiting for a Lead Security Architect, on behalf of our client in Milton Keynes.   This is a 12 month initial contract, to provide Security Architecture expertise to a client who are undergoing a busy period, and require additional security expertise to drive projects forward, supporting the business and the wider security team.   Our client is looking for an experienced IT Security professional, who can contribute to designs, policies, procedures and implementations across technology, generally being able to face off with a wide variety of security challenges, in a sector which requires particular attention to security threats.   Particular areas of interest would be experience in the security architecture underpinning cross domain connectivity, data sharing and IT platforms.   Please note that this is an onsite role, due to the nature of the security clearance requirements.   Key Information: Role: Lead Security Architect Duration: 12 Months Rate:...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, UK Contractor
CL
Apr 04, 2026  
Cyber Security Business Architect
Cyber Security Business Architect Initial 6-month Contract Role Fully Remote £650 - £780, Inside IR35 We're recruiting for an experience Business Architect to support the development of Cyber Security operating models within a large enterprise environment. Key Responsibilities: Develop and document business architecture for Cyber Security capabilities. Create capability maps, capability models, and operating model views. Map current and target-state value streams across cyber defence and vulnerability management. Identify capability gaps, inefficiencies, and improvement opportunities. Support the design of cyber target operating models and capability roadmaps. Facilitate workshops and collaborate with cyber, technology, risk, and architecture stakeholders. Produce architecture artefacts including capability maps, value stream diagrams, and operating model documentation.Required Experience: Proven experience as a Business Architect or Enterprise Architect within financial...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 05, 2026  
Senior Technical Architect (Security)
Senior Technical Architect (Security) £550pd - £650pd DOE (Inside IR35/Umbrella) 6 Month Initial Contract Milton Keynes Hybrid - 3 days in office DV / SC Clearance ideally Are you a Technical Architect with experience of working in a secure enterprise environment? Are you DV or SC cleared? My central government client are looking for a Senior Technical Architect to support with the delivery and management of key security capabilities. You will support technical teams in delivery capabilities, providing 4th level oversight on technical issues. You will be responsible for the maintenance and development of high and low designs for product and carry out Impact assessment of functional, capability and security changes. The successful candidate will have experience of working in a secure environment. You will need experience of server/operating system (Microsoft and Linux), network technologies, as a minimum: - Hybrid Cloud - Gateways - PKI - Email - VMware virtualisation...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Apr 04, 2026  
Data Engineer
Data Engineer (II) | Snowflake & Microsoft Fabric Location: London Work Mode: Hybrid(1-2 days/week in Office) Duration: 6-Month Initial Contract Start Date: ASAP We are seeking a proactive Data Engineer (II) to build and scale high-performance data pipelines across Microsoft Fabric (OneLake) and Snowflake. This role is central to powering our BI, analytics, and AI/ML initiatives. The Role Build & Integrate: Develop complex ETL/ELT pipelines and implement OneLake interoperability between Fabric and Snowflake. Architect: Operate a Medallion architecture (Bronze/Silver/Gold) and design curated datasets optimized for Power BI. Secure: Implement rigorous data security, GDPR compliance, and client ring-fencing (Row-Level Security). Innovate: Create SQL and PySpark notebooks to prepare feature engineering datasets for AI/ML models. Collaborate: Work independently via Jira/GitHub, maintaining high CI/CD and documentation standards. What You Bring 5+ years of Data...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Enterprise Architect
Enterprise Architect - 6‑month Contract | Inside IR35 Hybrid | Birmingham, Manchester, Leeds or London My client, a leading telecoms company is looking for an experienced Enterprise Architect to support a major digital transformation programme. This role requires someone who can operate at senior level, influence technology direction, and drive end‑to‑end architectural strategy across multiple domains. ✨ The Opportunity You will act as the Enterprise Architecture authority across a key portfolio, shaping future‑state architecture, defining roadmaps, and ensuring alignment across business, product and delivery teams. You will collaborate with solution architects, engineering leads and senior business stakeholders to ensure architectural coherence and accelerate strategic delivery. 🔧 Key Responsibilities Define and own the end‑to‑end Enterprise Architecture across the assigned domain. Develop target architectures, roadmaps, transition states and high‑level designs. Provide...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 04, 2026  
Enterprise Architect - CNI
Enterprise Architect - Critical National Infrastructure, SaaS, Digital Up to £725 per day (Inside IR35) Hybrid (Primarily Remote) 6 months My client is a high-profile consultancy who are seeking an exceptional Enterprise Architect / Lead Solutions Architect to support a large-scale Strategic Infrastructure Programme for an instantly recognisable end client. Key Requirements: Strong background as an Enterprise Architect / Lead Solutions Architect in complex, multi stakeholder programmes Experience in Critical National Infrastructure (CNI), within the Energy / Utilities (or equivalent) sector(s) Proven ability to drive Architectural discovery across capabilities, NFRs, integrations and data flows Excellent communication and leadership skills with experience influencing senior audiences Strong analytical and documentation skills with a proven ability to deliver at pace Experience collaborating with security SMEs to ensure alignment with enterprise security controls Ability to...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Principal Portfolio Architect
Adword Job title: Principal Portfolio Architect Duration: 8 months contract Location: London Description You will shape and own the end‑to‑end Enterprise Architecture for BT Business -ensuring our technology vision, strategic platforms, and architectural principles directly support the commercial objectives of BT Business. This includes defining future‑state architectures, establishing transition pathways, and ensuring alignment to Group Architecture standards and guardrails. What you will lead As the Enterprise Architecture authority for BT Wholesale, you will drive architectural decisionmaking across the domain, working in close collaboration with the broader BT Architecture community, Digital Delivery Tribes, and Wholesale business and technology leadership. You will ensure that BT Wholesale's strategic direction is technically sound, cost‑effective, and aligned to enterprise‑wide strategies and roadmaps. Supporting solution delivery and runways While primarily...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 02, 2026  
Application Architect
Application Architect - Contract Location: London (2-3 days per week on-site) Contract: 6 month Rate: £650 - £700 per day A leading international professional services organisation is seeking an experienced Applications Architect to support the selection, design, and global rollout of enterprise-grade applications across a complex, distributed environment. This role requires strong architectural capability across Microsoft 365, Azure, SaaS/COTS platforms, and enterprise integrations. You'll work embedded within the Strategy & Architecture function, supporting governance, design assurance, and technical leadership across multiple ongoing initiatives. Key Responsibilities: Act as the technical lead for new applications and cloud-hosted SaaS projects Own architectural design, governance, and technical decision-making Produce detailed architecture artefacts including HLDs, LLDs, patterns, and standards Support the global rollout and adoption of enterprise applications...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 05, 2026  
Principal Portfolio Architect
Principal Portfolio Architect 6 months - possible extensions until Jan 2027 London Inside IR35 - Umbrella only What I'll be doing - your accountabilities End-to-end Architecture Strategy/Roadmap and Design of the Wholesale Customer Segment Sets and drives the target architecture strategy/roadmap and overarching blueprint aligned to the Business vision. Drives adoption of the strategic architecture, balancing the outcomes needed of the tribes (including transition states from current to planned) You will align expected outcomes balancing customer value and technical debt (including relevant technology KPI targets), providing proactive Architecture assurance and architecture governance. Guides on the technical shaping and feasibility driving definition of Lean Business Cases, epics and features, identifying major dependencies, estimating cost and complexity. Inputs relevant tribe roadmaps content into overall Business architecture roadmap and strategy Responsible for...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 04, 2026  
Lead Network Architect - Networks
Lead Network Architect - Networks - DC LAN Cisco Location: London (2 days onsite, 3 days remote) Duration: 12 months Inside IR35 - Umbrella only Active SC clearance required, eligible candidates will be considered Our client, a reputable organisation supporting critical national infrastructure, is hiring for a Lead Network Architect to join a high-profile project. This role offers an exciting opportunity to shape enterprise and data centre network architecture within a dynamic environment. What you'll be doing: Lead the design and implementation of enterprise and data centre network architectures, ensuring alignment with security, services, and business needs. Provide comprehensive network solutions, including logical and physical designs, security, and integration with broader IT systems. Ensure architectural governance and compliance, working closely with peer lead architects and reporting to the Chief Architect. Collaborate with multi-supplier eco-systems, including...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 04, 2026  
SecOps Engineer
IT Security Operations Engineer - London (4 days onsite / 1 day WFH) Up to £600 p/d (outside IR35) A leading construction engineering business is seeking an SecOps Engineer to their team. They are a well-established business about to enter considerable operational change making it an exciting time to join and be a part of their journey. This role carries responsibility for ensuring collaboration between Information Security and the IT Ops team, you'll ensure the implementation of technical security controls supporting risk mitigation and contributing to the continual improvement of the business's security composure. Responsibilities: Provide expertise on application, network and infrastructure security Monitor security solutions including SIEM, threat detection and data security, endpoint protection, network analytics for alerts Provide documentation for technical standards to meet corporate security policies/industry best practice Perform security reviews, identify gaps in...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 02, 2026  
Cyber Security Consultant | Security Assurance SME
Cyber Security Consultant / Security Assurance SME Summer-Browning Associates is currently supporting our central government client, who is seeking a Cyber Security Consultant for an initial 6 assignments with the option to extend. Location: London / Milton Keynes / Hybrid / Remote The ideal candidate will have an active Security clearance and a strong background in Cyber Security Assurance within a high-threat government environment. Skills and experience. Experience in producing GovAssure and Secure-By-Design assessments, including Risk Assessment Papers, Risk Treatment Plans, Risk Business Cases, and Security Management Plans. Knowledge and experience with security architecture and Security Information and Event Management (SIEM) tools, such as Splunk, Defender, Sentinel, ELK, and Tenable Threat Modelling System solutions. Extensive understanding of cybersecurity threats, attack vectors, vulnerabilities, and security controls. Demonstrable knowledge of cybersecurity...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 02, 2026  
Cybersecurity Specialist- Microsoft Azure Application Gateway
On behalf of one of our premier clients, we are seeking a high-caliber Cybersecurity Specialist to join their expanding AI & Data Security team. This is a critical role within our client's AI Security programme, designed for a professional who thrives at the intersection of traditional infrastructure security and the emerging frontier of Generative AI. Our client is at the forefront of AI adoption; you will be the technical lead ensuring that these powerful technologies from AWS Bedrock to Azure OpenAI are implemented with world-class security standards. Key Responsibilities AI Security Architecture: Design and implement secure deployment patterns and guardrails for foundation models across AWS Bedrock, Azure OpenAI, and Microsoft 365. Security Strategy: Develop innovative strategies to enhance application security, specifically addressing risks like prompt injection, data leakage, and insecure output handling. Infrastructure Governance: Translate platform-specific risks...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
CL
Apr 04, 2026  
SAP Security & Implementation Engineer
SAP Security & Implementation Engineer (SAP S/4HANA Public Cloud) Our client is looking for an experienced SAP Security & Identity Management Engineer to play a key role in protecting critical SAP systems and data within an SAP S/4HANA Public Cloud environment. In this role, you’ll design and deliver secure SAP Identity Management solutions, helping ensure the right people have the right access at the right time. You’ll work closely with technical teams and business stakeholders to implement security roles, segregation of duties controls, workflows, and governance frameworks that keep systems secure while enabling the business to operate effectively. What you’ll be doing: -Designing and implementing SAP security roles and authorisations in SAP S/4HANA Public Cloud -Delivering Segregation of Duties (SoD) rules, security provisioning, workflows and business process controls -Translating business requirements into security and authorisation designs -Supporting the SAP...
IR35 Status:
Unknown Status

CV-Library Guildford, Surrey Contractor
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