Cyber Security Architect

Matchtech; Corsham; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A Defence Sector Specialist is looking for an experienced Cyber Security Architect for a contract role in Corsham, focusing on security for MOD projects, specifically the New Style of IT. Responsibilities include collaborating on security architecture, reviewing designs, and ensuring compliance with MOD standards. Candidates must have proven experience, strong knowledge of MOD security, and active SC clearance.

Qualifications

• 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).

Responsibilities

• Collaborate with the Solution Design Authority for NSOIT roadmap.
• Analyse interoperability and dependencies from a security perspective.
• Develop and document Intermediate Level Design (ILD) security architectures.
• Review and approve Low-Level Designs (LLD/DLD) for compliance.
• Identify and assess vulnerabilities in designs.
• Evaluate third-party services against MOD security policy.
• Contribute to the definition of security architecture runway.

Skills

Cyber security architecture

Understanding of MOD security standards

Designing secure IT systems

Communication of security concepts

Job description

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.

Key Responsibilities

• 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

Essential Skills & Experience

• 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).

Desirable

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

• Knowledge of architectural frameworks such as TOGAF or SABSA.