72 senior security architect jobs found

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

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

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...

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...

Security Architect – DV Cleared – Defence contract role Location: Preston – onsite three days per week, two days per week remote Day rate: £750 - £800 per day Outside IR35 Initial contract: Four months, likely to extend for at least a further 12 months You will only be considered for this contract role if you hold a current DV clearance, this is essential to the nature of the work you will undertaking. NexGen Associates is recruiting for an experienced Senior Security Architect to support a highly sensitive technology programme within a secure environment on a contract basis. The successful contractor will provide security architecture expertise across complex, business-critical systems involving multiple technologies, suppliers and delivery teams. You will help shape the programme’s security direction, ensuring that risks and protection requirements are properly considered throughout the design and implementation process. Due to the sensitive nature of the work,...

Security Architect – DV Cleared – Defence contract role Location: Preston – onsite three days per week, two days per week remote Day rate: £750 - £800 per day Outside IR35 Initial contract: Four months, likely to extend for at least a further 12 months You will only be considered for this contract role if you hold a current DV clearance, this is essential to the nature of the work you will undertaking. NexGen Associates is recruiting for an experienced Senior Security Architect to support a highly sensitive technology programme within a secure environment on a contract basis. The successful contractor will provide security architecture expertise across complex, business-critical systems involving multiple technologies, suppliers and delivery teams. You will help shape the programme’s security direction, ensuring that risks and protection requirements are properly considered throughout the design and implementation process. Due to the sensitive nature of the...

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...

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...

Cyber Security Architect Remote | Outside IR35 | Telecoms Sector We're currently looking for an experienced Cyber Security Architect to join a leading organisation within the telecommunications sector on a fully remote, Outside IR35 contract. This is an exciting opportunity to play a key role in large-scale transformation programmes spanning cloud, infrastructure, applications and network environments, including next-generation 4G/5G technologies. As a Cyber Security Architect, you will be responsible for ensuring security is embedded into the design and delivery of business-critical platforms and services. Working closely with architecture, engineering, cloud and infrastructure teams, you will provide security leadership, conduct architecture reviews, perform threat modelling, and define security controls across complex enterprise environments. Key Responsibilities Define and maintain secure architecture principles, standards and reference architectures. Conduct security...

Cyber Security Architect Remote Outside IR35 Telecoms Sector We're currently looking for an experienced Cyber Security Architect to join a leading organisation within the telecommunications sector on a fully remote, Outside IR35 contract. This is an exciting opportunity to play a key role in large-scale transformation programmes spanning cloud, infrastructure, applications and network environments, including next-generation 4G/5G technologies . As a Cyber Security Architect, you will be responsible for ensuring security is embedded into the design and delivery of business-critical platforms and services. Working closely with architecture, engineering, cloud and infrastructure teams, you will provide security leadership, conduct architecture reviews, perform threat modelling, and define security controls across complex enterprise environments. Key Responsibilities Define and maintain secure architecture principles, standards and reference architectures. Conduct...

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...

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...

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...

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...

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 Back End 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 Back End 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...

Cyber Security Architect Hybrid | Telecommunications Experience Essential Outside IR35 We are seeking an experienced 2 x Cyber Security Architect with a mandatory telecommunications background to join a leading UK telecoms organisation. This role will focus on designing and embedding security across complex telco networks, cloud platforms, infrastructure, applications and critical services , ensuring security is built into technology from the outset. Key Responsibilities Design and review secure architectures across telecommunications networks , cloud, infrastructure and applications. Conduct threat modelling, security risk assessments and architecture reviews. Define security controls covering IAM, encryption, network segmentation, monitoring and privileged access. Support the delivery of Zero Trust and secure-by-design principles. Work closely with Network, Engineering, Cloud, Security and Architecture teams. Provide security guidance for new...

Interim Software Engineering Manager 3-month contract | c. £500 per day | Outside IR35 | Hybrid, Oxfordshire Are you a senior software leader who can quickly understand complex systems? Do you enjoy combining architecture, hands-on engineering and technology strategy? Would you like the opportunity to shape the next phase of a growing software capability? Our client, an innovative technology-led engineering organisation, is seeking an Interim Software Engineering Manager for an initial six-month contract. This is a high-impact assignment for someone who can provide technical direction, strengthen engineering practices and help turn long-term business goals into a practical software roadmap. Why This Role Is Great: You will have the opportunity to: Take ownership of the technical direction and evolution of a complex software platform. Work closely with senior leaders to align software architecture, delivery priorities and wider business...

Network Engineer Hybrid Working Regional Travel Required Contract Duration: 6 months initially Outside IR35 We are seeking a Senior Network Architect to join a growing communications and infrastructure technology team delivering advanced networking and security solutions across large-scale transportation and critical operational environments click apply for full job details

Solution Architect | 12 Month Contract | (Outside IR35) | Hybrid Edinburgh| Starting ASAP Day Rate: £DOE About the role: Working with business and change stakeholders in shaping, agreeing and delivering solution architectures aligned to wider Design, Innovation and Architecture principles and standards Working closely with Digital Labs and Scrum Teams to ensure that detailed designs and delivery work is consistent with the agreed solution architecture Providing general technology guidance and advice to business and change stakeholders Identifying opportunities to deliver business benefit and user-centric capability through adoption of new technologies and/or new ways of working Collaborating with business stakeholders, business architects, other solution architects, product managers and Digital Labs across the organisation and with external organisations and partners We would like you to have the following experience: Technical and solution architecture and...

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...