Salary: £21,000 - 24,000 per year Requirements: We are looking for candidates with a strong UK Defence background, ideally having hands-on experience with Army programmes or systems. You must demonstrate proven expertise in security architecture, covering Identity and Access Management (IAM), secure integration, and compliance with Defence standards. Familiarity with Sparx Enterprise Architect and practical experience in model-driven design and traceability are essential. Additionally, you should possess excellent communication skills, enabling you to present complex information clearly to both technical and non-technical audiences. An active SC Clearance is a mandatory requirement for this position. Responsibilities: In this role, you will lead detailed security architecture reviews across Army delivery areas, identifying risks while recommending practical design improvements. You will be responsible for producing clear, high-quality architecture documentation and models using tools such as Sparx Enterprise Architect, ArchiMate, and NAFv4. Another key responsibility will be creating and maintaining technology management plans that encompass configuration, cryptography, and assurance processes. You will work closely with security, architecture, and delivery stakeholders to ensure that security measures are effectively integrated into all system designs. Technologies: Architect ArchiMate Cryptography IAM Security Embedded More: We are MERITUS, collaborating with an expanding Defence Consultancy that partners with a UK Defence client located in Andover. We are offering a 6-month contract for an experienced Security Architect with expertise in UK Defence. This role involves both security and solution architecture and is perfect for someone confident in engaging with technical and operational teams. Frontline experience or exposure to Army systems would be a significant advantage, given the close alignment with practical applications of these systems. The compensation for this role is up to £800 per day and it is determined to be outside IR35, requiring you to be on-site 1-2 days per week. If you believe you fit the criteria for this Security Architect role, we encourage you to get in touch. We also have a referral scheme for any candidates whose details you refer to us that we successfully place. last updated 21 week of 2026