> Markdown version of [/jobs/ext/3877906-principal-security-architect](https://www.wearedevelopers.com/jobs/ext/3877906-principal-security-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Security Architect - **Company:** Frontier Resourcing Ltd - **Location:** Bristol, UK - **Contract:** Permanent contract - **Skills:** Cyber Security, Sherwood Applied Business Security Architecture, Trusted Systems, Archimate, Togaf - **Published:** October 23, 2026 - **Apply:** https://www.totaljobs.com/job/lead-architect/frontier-resourcing-ltd-job108228082 ## About the Role Essential * Chartered through the UK Cyber Security Council in Secure Systems Architecture. * An industry-recognised cyber security certification, such as CISSP or CISM. * Strong experience delivering security architecture across complex systems, programmes or transformation initiatives. * Excellent client engagement and communication skills, with the ability to explain complex technical concepts to varied audiences. * Experience providing architectural leadership, assurance and governance. Desirable * Full membership of the Chartered Institute of Information Security (CIISec). * IEng or CEng registration, BCS chartership or SABSA Chartered Security Architect status. * Experience with architecture frameworks and modelling approaches such as TOGAF, SABSA and ArchiMate. * Experience supporting bids, pre-sales and consultancy business development. ## Description This is an opportunity to provide technical leadership across high-profile security architecture engagements, advising clients, shaping secure designs and ensuring solutions align with business objectives, risk appetite and recognised security standards. You'll work across strategic enterprise architecture and detailed technical design, supporting clients throughout the system lifecycle while helping develop the wider security architecture capability. The Role * Lead security architecture engagements, providing technical direction, governance and assurance. * Design and review secure architectures, translating business needs and risk requirements into effective technical controls. * Act as a trusted adviser to clients, engaging with senior stakeholders and design authorities. * Review architecture deliverables, challenge assumptions and manage risks, dependencies and design trade-offs. * Mentor and support other architects, promoting high standards and consistent delivery. * Contribute to client proposals, bids, solution development and business growth., * Work on challenging security projects across diverse sectors. * Flexible hybrid working, with part-time and term-time arrangements considered. * Clear career progression and investment in professional development. * Collaborative culture with opportunities to influence technical direction and make a real impact.