Cyber Security Architect

Overview

We are seeking an experienced Cyber Security Architect to join a major MOD project focused on the evolution and security of the New Style of IT (NSOIT) platform. This is a contract role based in Corsham with hybrid working available. The role sits inside IR35 and requires active SC clearance as a minimum.

• Collaborate with the Solution Design Authority to provide expert security input into the NSOIT roadmap and High-Level Design (HLD).

• Analyse interoperability, dependencies, and system interactions from a security perspective across infrastructure, platforms, and software environments.

• Develop and document Intermediate Level Design (ILD) security architectures, ensuring alignment with MOD standards and solution coherence.

• Review and approve Low-Level and Detailed-Level Designs (LLD/DLD), ensuring compliance with security policies and best practices.

• Identify and assess vulnerabilities in proposed or existing designs and propose effective mitigation strategies.

• Evaluate third-party services for alignment with MOD security policy and industry best practices.

• Contribute to the definition of the security architecture runway, influencing the direction for platform and cyber teams. This includes areas such as:

  • Logging

  • Antivirus (AV)

  • Cyber defence tooling

  • Firewall configuration

  • Other key security infrastructure components

• Proven experience in cyber security architecture within secure/government environments.

• Strong understanding of MOD security standards and policies.

• Experience designing secure IT systems across all architecture layers.

• Ability to communicate complex security concepts to technical and non-technical stakeholders.

• Active SC Clearance (minimum).

• Experience working on MOD projects, especially NSOIT or similar.

• Knowledge of architectural frameworks such as TOGAF or SABSA.