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34 senior security architect jobs found in London

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Outside Spy
Sep 16, 2026
Duration not stated
Senior Security Architect (Active SC Clearance) at Sanderson Government and Defence, London, £Contract Rate
Outside Spy London, UK
Senior Security Architect (Active SC Clearance) Location: Fully Remote (UK) Clearance: Active SC Clearance Required Contract Length: Until February 2027 Rate: Up to £600 per day (Outside IR35) Shape the Security of Critical UK Government Services We are seeking an experienced Senior Security Architect to join a major public sector programme, playing a key role in designing and assuring the security o click apply for full job details
Outside Spy
Sep 14, 2026
Duration not stated
Senior Security Architect (Active SC Clearance) at Sanderson Government and Defence, London, £Contract Rate
Outside Spy London, UK
Senior Security Architect (Active SC Clearance) Location: Fully Remote (UK) Clearance: Active SC Clearance Required Contract Length: Until February 2027 Rate: Up to £600 per day (Outside IR35) Shape the Security of Critical UK Government Services We are seeking an experienced Senior Security Architect to join a major public sector programme, playing a key role in designing and assuring the security o click apply for full job details
Outside Spy
Sep 10, 2026
Duration not stated
Senior Security Architect (Active SC Clearance) at Sanderson Government & Defence, London, £550-£600 per day
£550 - £600 per day
Outside Spy London, UK
Senior Security Architect (Active SC Clearance) Location: Fully Remote (UK) Clearance: Active SC Clearance Required Contract Length: Until February 2027 Rate: Up to £600 per day (Outside IR35) Shape the Security of Critical UK Government Services We are seeking an experienced Senior Security Architect to join a major public sector programme, playing a key role in designing and assuring the security of large-scale digital services operating across cloud environments. This is an excellent opportunity for a senior cyber security professional with strong government experience to provide strategic security leadership, influence architectural direction, and support the secure delivery of business-critical platforms. What You'll Be Doing Providing security architecture leadership throughout the full project lifecycle, from discovery through to service retirement. Advising stakeholders on Secure by Design principles and security best practices. Reviewing and assuring...
Outside Spy
Sep 16, 2026
6 Months or more
SC Cleared Azure Platform Architect | Outside | Remote at SR2 - Socially Responsible Recruitment, London, 12 Months, £500-£550 per day
£500 - £550 per day
Outside Spy Remote (London, UK)
SC Cleared Azure Cloud Platform Architect | Outside IR35 | Remote We are looking for an experienced Azure Cloud Platform Architect to support the design and evolution of secure, scalable cloud foundations within a complex central-government environment. This is an opportunity to shape the standards, guardrails and reusable capabilities that allow delivery teams to build and operate services confidently in Azure. The Role You will take ownership of the architectural approach for Azure landing zones and shared platform services, working across cloud, security, infrastructure and engineering teams. The focus will be on creating a well-governed, resilient and secure Azure estate that supports modern digital delivery. Key Responsibilities Design and assure Azure landing-zone architecture across a multi-subscription cloud environment. Define standards for Azure governance, management groups, subscriptions, policy, access and resource organisation. Develop secure patterns for...
Outside Spy
Sep 16, 2026
6 Months or more
SC Cleared Security Architect | Outside IR35 | Remote at SR2 - Socially Responsible Recruitment, London, 12 Months, £500-£550 per day
£500 - £550 per day
Outside Spy Remote (London, UK)
SC Cleared Security Architect | Outside IR35 | Remote A security-focused organisation is seeking an experienced Security Architect to support the secure design and assurance of critical digital services. This is a hands-on architecture role, working alongside technical teams and senior stakeholders to embed effective security controls across complex cloud and hybrid environments. The Role You will shape secure technical solutions from early design through to delivery, ensuring architecture decisions are proportionate to risk and meet relevant government security expectations. The role will involve providing clear security direction to engineering and architecture teams, contributing to assurance activity, and helping to resolve complex security challenges across the programme. Key Responsibilities Design and review secure architectures across cloud, on-premise and integrated technology environments. Define pragmatic security controls, patterns and design principles for new and...
Outside Spy
Sep 15, 2026
6 Months or more
MicroStrategy/Power BI Architect at Digital Skills Ltd, London, 6 Months, £Contract Rate
Outside Spy London, UK
Power BI, MicroStrategy, Solutions Architecture, Migration The Rate - £650 per day IR35 Status - Outside IR35 The Location - Remote, with 2 days per month on site in London The Working Pattern - Remote, 2 days per month on site Duration - 6 month rolling contract About the Client Digital Skills are working with A global Management Consultancy , supporting a large enterprise organisation on a strategic Business Intelligence transformation programme. The project focuses on modernising an established analytics environment, delivering a scalable reporting platform and enabling business users through enhanced data and reporting capabilities; specifically designing end to end migrations from MicroStrategy to Power BI About the Role This is an excellent opportunity for a highly experienced MicroStrategy/Power BI Architect to lead a complex analytics transformation initiative. The successful candidate will play a key role in defining architecture, guiding...
Outside Spy
Sep 11, 2026
6 Months or more
Enterprise Architect - Application, Delivery, FS - Outside at Sanderson Recruitment Plc, London, 6 Months, £700-£770 per day
£700 - £770 per day
Outside Spy London, UK
Enterprise Architect/Senior Solution Architect - Insurance or Financial Services ideally £700-£770 Per day - Outside IR35 - 3 days on site per week in London We are looking for a hands-on Enterprise Architect with a strong application architecture background to support complex technology initiatives across the UK and Europe. The role will work closely with business stakeholders, engineering teams and delivery functions to understand new initiatives, define the required technology approach and produce the architecture artefacts needed to move projects into delivery. The EA practice at our client are responsible for defining and governing the target-state technology architecture across the company, ensuring alignment with Global architecture strategy while enabling cloud adoption, application modernisation, and digital transformation initiatives. With key initiatives in flight, we have a need to bolster the EA team to primarily support UK/EU initiatives and where required...
Outside Spy
Sep 10, 2026
6 Months or more
NEC Core Systems Subject Matter Expert (SME) at Damia Group LTD, London, 6 Months, £800-£875 per day
£800 - £875 per day
Outside Spy London, UK
NEC Core Systems Subject Matter Expert (SME)- London/Remote - SC and NPPV3 cleared Contract | Outside IR35 | £800 - £875 per day Initial short-term consultancy: £200 - £250 per hour Potential 6-month engagement We are looking for a highly experienced NEC Core Systems Subject Matter Expert to support an urgent assessment and transition programme within a secure policing environment. This is a specialist requirement for someone with genuine hands-on experience of NEC policing applications , particularly ControlWorks, DSx and UNIFI . The Role You will provide application-level expertise to assess the challenges, risks and requirements associated with transitioning support for critical operational policing systems. Initially, you will participate in a small number of workshops and provide an application-by-application assessment covering support risks, knowledge gaps, dependencies and immediate priorities. There is potential for this initial engagement to develop into a...
Outside Spy
Sep 10, 2026
Duration not stated
Security Architect - SC cleared at CBS Butler, London, £600-£700 per day
£600 - £700 per day
Outside Spy London, UK
Security Architect +6 months + +SC cleared role - current active clearance is essential +Hybrid - London +Sole British national only - due to nature of the project +Outside IR35 +£600 - £700 a day We are seeking an experienced Cyber Security Architect to provide security architecture expertise across complex programmes within a secure, high-assurance environment. The successful candidate will act as a senior security authority, ensuring secure-by-design principles are Embedded throughout the delivery life cycle and providing architectural assurance across new and existing technology solutions. Key Responsibilities Design and assure secure architectures across complex technology environments. Define security architecture principles, standards and design patterns. Embed security into architecture and design governance. Review existing cloud, hybrid and on-premises architectures and identify areas for improvement. Translate cyber threats and risk into...
Outside Spy
Sep 09, 2026
6 Months or more
Cyber Security Architect (eSC) - Enhanced SC Cleared at Sanderson Government & Defence, London, 6 Months, £500-£600 per year
£500 - £600 per day
Outside Spy London, UK
Cyber Security Architect (eSC) - Enhanced SC Cleared Location: Remote, with occasional travel to London (typically 1-2 days per month) Contract Length: 6 month rolling contract (Outside IR35) Security Clearance: Active Enhanced SC Clearance Required About the Role We are seeking an experienced Cyber Security Architect to join a specialist consultancy supporting critical programmes and secure digital transformation initiatives. Operating at the intersection of cyber security, enterprise architecture, risk management, and technology strategy, you will play a key role in ensuring security is Embedded throughout the delivery lifecycle. You will provide expert security architecture guidance across complex programmes, support the development of secure enterprise architectures, and help organisations strengthen their security posture against evolving cyber threats. This role is ideal for a highly experienced architect with a strong background in secure-by-design principles,...
Outside Spy
Sep 09, 2026
6 Months or more
Cyber Security Architect at Sanderson Government & Defence, London, 6 Months, £500-£600 per year
£500 - £600 per day
Outside Spy London, UK
Cyber Security Architect Location: Remote, with occasional travel to London (typically 1-2 days per month) Contract Length: 6 month rolling contract (Outside IR35) Security Clearance: Active Enhanced SC Clearance Required About the Role We are seeking an experienced Cyber Security Architect to join a specialist consultancy supporting critical programmes and secure digital transformation initiatives. Operating at the intersection of cyber security, enterprise architecture, risk management, and technology strategy, you will play a key role in ensuring security is Embedded throughout the delivery lifecycle. You will provide expert security architecture guidance across complex programmes, support the development of secure enterprise architectures, and help organisations strengthen their security posture against evolving cyber threats. This role is ideal for a highly experienced architect with a strong background in secure-by-design principles, enterprise security...
Outside Spy
Sep 07, 2026
6 Months or more
AI Technical Solutions Architect - Claude, Copilot, M365, Hybrid (London 4d/w) Outside IR35 at Nova Source Technologies Limited, London (2-4 days a week, 6 Months, £650-£750 per day
£650 - £750 per day
Outside Spy Remote (London (2-4 days a week, Remote the rest), UK)
AI Technical Solutions Architect - Claude, Copilot, Solutions Architecture, Digital Transformation, M&A, Cloud, Azure, AI, Infrastructure, Applications, Integration, APIs, Security, Power Platform, Copilot, TDA, Hybrid, Farringdon 4d/w, Outside IR35 This is an exceptional AI Technical Solutions Architect contract opportunity to join a leading London based tech company. The AI Technical Solutions Architect contract is Hybrid with up to 4 days a week on site in Farringdon and the other day working from home. Therefore, you must be based at a commutable distance. The AI Technical Solutions Architect contract role is Outside IR35. As AI Technical Solutions Architect you will focus on the technical solution architecture around Claude & Copilot in large scale, ever- growing M365 environments. Previous experience as a Technical Solutions Architect on Claude project is essential as is experience of Copilot. The AI Solutions Technical Architect design, govern...
Outside Spy
Sep 15, 2026
Duration not stated
AI Architect (SC + NPPV3) at Sanderson Government and Defence, City of London, £Contract Rate
Outside Spy City of London, London, UK
AI Architect (SC + NPPV3) Location: Central London (3 days per week onsite) Rate: £570 per day - Outside IR35 Essential: Active SC + NPPV3 We are seeking an experienced AI Architect to join a high-profile programme delivering innovative AI and data-driven solutions within a secure government environment. This is an excellent opportunity for an accomplished architect who can bridge the gap between technical delivery and business stakeholders, leading strategic engagements while designing scalable AI and data architectures. Key Responsibilities Design and deliver end-to-end AI and data architecture solutions. Lead technical discussions with senior stakeholders and translate complex technical concepts into clear business language. Drive the adoption and implementation of Microsoft AI technologies, including Copilot Studio. Architect and support solutions using Microsoft Power Platform, including Power Apps. Collaborate with cross-functional teams to deliver...
Outside Spy
Sep 15, 2026
Duration not stated
Data Architect (SC Cleared + NPPV3) at Sanderson Government and Defence, City of London, £Contract Rate
Outside Spy City of London, London, UK
Data Architect £570 per day Outside IR35 Central London Live SC & NPPV3 Required Data Architect £570 per day Outside IR35 Hybrid - 3 days per week onsite in Central London We're looking for an experienced Data Architect to join a high-profile programme delivering enterprise-scale data solutions within a secure government environment. This is an excellent opportunity for a senior contractor who enjoys solving complex data challenges, working across multiple systems and stakeholders, and designing robust end-to-end data architectures that support critical business services. The Role You'll play a key role in defining and delivering data architecture across a complex technology landscape, ensuring data flows efficiently and securely from source through to consumption. Working alongside architects, technical teams and business stakeholders, you'll design scalable, resilient data solutions that support strategic transformation programmes. What You'll Be...
Outside Spy
Sep 15, 2026
Duration not stated
Senior C# IAM Developer - Auth0, CIAM, AWS - Outside IR35 at Smart Sourcer Limited, City of London, £Contract Rate
Outside Spy City of London, London, UK
Senior C# IAM Developer - Auth0, Identity & Access Control, AWS – OUTSIDE IR35 Contract: 8 months Rate: £700 - £750 OUTSIDE IR35 Location: 100% remote The Role: Working for a global, market leading B2B SaaS business, you’ll lead the design and implementation of secure, identity-driven backend services in a modern C#/.NET environment. Your work will centre on authentication, authorization, and secure event-driven architectures. You’ll own our Auth0 integration end-to-end , ensuring our platform meets strict security, compliance, and reliability standards. This is a role for someone who thinks deeply about threat models, defence-in-depth, and secure-by-default engineering. What You’ll Do: Architect and implement secure backend services in C# & .Net Own and evolve our Auth0 identity platform: tenant configuration, flows, hooks, rules, MFA, RBAC Design and maintain token-based security models (OIDC, OAuth2, JWT lifecycle, refresh...
Outside Spy
Sep 10, 2026
Duration not stated
Security Architect - SC cleared at CBSbutler Holdings Limited trading as CBSbutler, Greater London, £600 to £700 per Day
£600 - £700 per day
Outside Spy Greater London, UK
Security Architect +6 months + +SC cleared role - current active clearance is essential +Hybrid - London +Sole British national only - due to nature of the project +Outside IR35 +£600 - £700 a day We are seeking an experienced Cyber Security Architect to provide security architecture expertise across complex programmes within a secure, high-assurance environment. The successful candidate will act as a senior security authority, ensuring secure-by-design principles are embedded throughout the delivery lifecycle and providing architectural assurance across new and existing technology solutions. Key Responsibilities Design and assure secure architectures across complex technology environments. Define security architecture principles, standards and design patterns. Embed security into architecture and design governance. Review existing cloud, hybrid and on-premises architectures and identify areas for improvement. Translate cyber threats and risk into practical,...
Outside Spy
Sep 09, 2026
Duration not stated
Security Architect - DV cleared at CBSbutler Holdings Limited trading as CBSbutler, Greater London, £650 to £750 per Day
£650 - £750 per day
Outside Spy Greater London, UK
Security Architect +6 months + +DV cleared role - current active clearance is essential +Hybrid - London +Sole British national only - due to nature of the project +Outside IR35 +£650 - £750 a day We are seeking an experienced Cyber Security Architect to provide security architecture expertise across complex programmes within a secure, high-assurance environment. The successful candidate will act as a senior security authority, ensuring secure-by-design principles are embedded throughout the delivery lifecycle and providing architectural assurance across new and existing technology solutions. Key Responsibilities Design and assure secure architectures across complex technology environments. Define security architecture principles, standards and design patterns. Embed security into architecture and design governance. Review existing cloud, hybrid and on-premises architectures and identify areas for improvement. Translate cyber threats and risk into practical,...
Outside Spy
Sep 15, 2026
up to 6 Months
Boomi Integration Architect at Consol Partners, London, 3 Months, £500-£550 per day
£500 - £550 per day
Outside Spy London, UK
. Boomi Solution Architect Remote | Occasional Travel to London/Telford | 3-Month Contract | Outside IR35 Boomi Solution Architect | Integration & API Platform Programme We are seeking an experienced Boomi Solution Architect to support the adoption and evolution of a strategic enterprise integration platform within a large-scale government environment. This is a client-side architecture role requiring a strong blend of technical expertise, integration architecture leadership, governance, and stakeholder engagement. You will be responsible for driving the adoption of strategic integration capabilities across multiple programmes, ensuring solutions align with enterprise architecture standards and avoid the proliferation of point-to-point integrations. The successful candidate will possess deep expertise across Boomi iPaaS, API Management, Event Streaming, Integration Architecture, and Enterprise Governance , with the ability to influence both technical and non-technical...
Outside Spy
Sep 14, 2026
Duration not stated
Security Architect - (Active SC Clearance Required) at Sanderson Government and Defence, London, £Contract Rate
Outside Spy London, UK
Security Architect (Active SC Clearance) x 2 Location: Fully Remote (UK) Clearance: Active SC Clearance Required Contract Length: Until February 2027 Rate: Up to £550 per day (Outside IR35) Security Architect We are looking for two Security Architects to support the secure design and delivery of large-scale cloud-based services within a major public sector programme click apply for full job details
Outside Spy
Sep 14, 2026
Duration not stated
Data Business Analyst at Cloud Decisions, London, to £450 per day
£350 - £450 per day
Outside Spy London, UK
Business Analyst - Data Platform Transformation Contract: 11 days, delivered on a non-consecutive basis Rate: Up to £450 per day IR35: Outside IR35 Location: London/Hybrid We're supporting one of the UK's most respected Azure specialist MSPs as they shape a strategic data platform transformation programme. They need an experienced Business Analyst who can get up to speed quickly, lead focused discovery sessions and bring structure to a complex environment involving Legacy systems, undocumented processes and significant volumes of data. You'll bridge the gap between operational stakeholders and technical delivery teams-turning ambiguous requirements into clear process maps, data requirements and actionable recommendations that will directly influence the future platform design. What You'll Be Doing Leading discovery workshops with operational, forecasting, product, IT and data stakeholders. Capturing current-state processes, systems, workflows and data flows....
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