Lead Security Architect

Join to apply for the Lead Security Architect role at UK Home Office 2 days ago Be among the first 25 applicants Join to apply for the Lead Security Architect role at UK Home Office Get AI-powered advice on this job and more exclusive features. Direct message the job poster from UK Home Office Lead Technical Recruiter – Architecture, Delivery, Product, and IT Ops Join the Home Office as a Lead Security Architect and drive the secure-by-design delivery of critical systems protecting millions of citizens. You’ll own security architecture for a major portfolio, translating business goals and threat intelligence into practical controls. Collaborating with senior stakeholders and mentoring SEO-level architects, you’ll shape cloud, DevSecOps, IoT, and zero-trust security approaches. You’ll ensure services meet Home Office and NCSC standards, advise on emerging threats, and embed security into agile pipelines using tools like IaC scanning and SAST/DAST. By applying risk frameworks like ISO 27005 and NIST, you’ll communicate clear, proportionate solutions across technical and non-technical audiences. This role offers a chance to influence resilient, compliant services that balance security, usability, and cost across government. What you will do Define portfolio vision and reusable security patterns aligned with Principal Security Architect strategy. Lead architecture reviews for high-risk projects, driving recommendations to resolution. Analyse threat models and pen tests, turning findings into risk-reducing improvement plans. Advise on security controls for hybrid and cloud platforms, balancing usability, cost, and compliance. Mentor SEO Security Architects, ensuring quality and fostering continuous learning. Engage senior stakeholders, presenting security trade-offs in clear business terms to build consensus. Monitor emerging threats, tools, and regulations, recommending timely responses. Oversee vendor and SaaS security evaluations, ensuring robust contractual safeguards. What you will bring Risk‑based decision‑making – expert in ISO 27001 / NIST / CIS controls, able to quantify and articulate risk, then select proportionate, cost‑effective controls. Technical depth – hands‑on knowledge of cloud security, IAM, container & API security, network segmentation, encryption and DevSecOps toolchains; capable of explaining exploitability of complex vulnerabilities. Pen‑testing & threat‑modelling – scoping, overseeing and translating results into enforceable patterns and backlog items. Influential communication – proven ability to engage C‑suite and delivery squads alike, adapting style to gain agreement and drive secure‑by‑design culture. Mentoring & governance – experience line‑managing or coaching security architects/engineers and running architecture assurance or design‑review boards. Why Join Us? Exceptional pension : Employer contribution of 28.97%. Generous leave : 25 days annual leave (rising to 30 with service), 8 public holidays, and 1 day for the King’s Birthday. Flexible working : Options include full-time, part-time, compressed hours, job sharing, and a hybrid model (minimum 60% on-site). Learning and development : Access to training, technical accreditations, and funded qualifications (subject to approval). Recognition and inclusion : A culture that champions diversity, enhanced parental leave schemes, annual bonuses, and recognition awards. Learn more about our benefits: Benefits – Home Office Careers Additional Information This role requires SC clearance . To meet national security vetting requirements, you typically need to have been resident in the UK for at least three years. Unfortunately we cannot offer sponsorship. Ready to shape the future of secure technology? Click \”Apply\” to explore the full job description and salary details, and join the Home Office in protecting millions through innovative, resilient security architecture. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Information Technology, Strategy/Planning, and Design Industries Government Administration Referrals increase your chances of interviewing at UK Home Office by 2x Sign in to set job alerts for “Security Architect” roles. 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