Security Architect

Security Architect – Wiltshire – Hybrid – Permanent 37.5 hours per week – Up to £75,000

Our client is looking for a Security Architect to join a high‑profile defence training programme focused on transforming British Army collective training. You'll be working across Information Assurance, Cyber Security and security architecture in a senior, largely autonomous role. This is a mission‑critical position on one of the UK’s most significant Land defence programmes.

• Develop and manage security architecture specifications, threat models, standards and roadmaps.
• Apply Secure by Design principles across collective training and deployed IT environments.
• Lead security engagement with senior internal and external stakeholders, including the British Army.
• Capture, analyse and decompose complex security requirements across the programme lifecycle.
• Drive security technology evaluations, proof‑of‑concepts and risk assessments.
• Embed security controls within wider system architectures through close collaboration with fellow architects.
• Support development of Risk Management Framework documentation and security assurance activities.
• Advise leadership on cybersecurity risks, emerging technologies and strategic security direction.

Proven experience in security architecture design across complex IT or defence environments.

Strong knowledge of Information Assurance, Cyber Security and threat modelling methodologies.

Working knowledge of MoD or Government IT security at SECRET classification and above.

Knowledge of Enterprise Architecture frameworks such as TOGAF or MODAF.

Experience formulating, recording and managing security risk using recognised risk methodologies.

Understanding of Secure by Design principles and their application across a programme lifecycle.

Ability to communicate complex security risk clearly to both technical and non‑technical senior stakeholders.

Experience leading small teams and operating independently in a senior technical capacity.

BSc in Information Security or significant commercial experience in a programme security environment.

Professional certification in CISSP, CISM, CRISC or CGRC.

Demonstrable knowledge of Government Standard 007, ISO 27001 and NIST frameworks.

Experience or knowledge of Cloud security architecture across one or more major Cloud providers.

Experience with Dev Sec Ops  tooling, processes and Supply Chain security management.

Problem management and/or ITIL experience, or knowledge of intelligence disciplines such as GEOINT, SIGINT or OSINT.

• 25 days holiday (increasing to 27 days) + statutory public holidays.
• Contributory Pension Scheme (up to 10.5% company contribution).
• 6 times salary 'Life Assurance'.
• Discretionary Bonus scheme.
• Enhanced family friendly policies.
• 37hr standard working week, with an early finish on Fridays whilst operating a 'Hybrid Working Model'
• Canteen facilities are available in some sites.

Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds.

Part‑time opportunities/flexible working is available to suit individual needs.

You will be required to hold a minimum of SC Clearance. If you do not hold an active SC Clearance, please familiarise yourself with the vetting process before applying.