Join the Home Office as a Lead Security Architect and lead the secure‑by‑design delivery of critical systems that protect citizens and national interests. You will own security architecture across a major portfolio, translating business objectives and emerging threats into practical, proportionate controls while enabling modern approaches such as cloud, DevSecOps and zero trust. Working closely with senior stakeholders, delivery teams and enterprise architects, you will balance risk, usability and cost, embed security into agile delivery, and shape reusable patterns that strengthen services at scale. This is a unique opportunity to combine deep technical expertise with strategic influence, driving security outcomes across high‑impact programmes while mentoring others and raising capability across the organisation.

What you will do

• Set portfolio level vision & patterns in line with Principal Security Architect strategy, translating them into reusable templates...