Cyber Security Architect

  • Belcan
  • Rogerstone, Gwent
  • Oct 10, 2025
Contractor Telecommunications

Job Description

Cyber Security Architect - Defence Sector
Location: Newport (Typically 4 days per week) Clearance Required: SC Clearance Required
Type: Full-Time Salary: Inside IR35 - from 63.00 per hour (PAYE/LTD option available)

Belcan are currently supporting one of our long standing clients, who are seeking a Cyber Security Architect with a strong background in secure systems design and defence standards to join their growing team. This is a unique opportunity to work on mission-critical platforms, applications, and networks, ensuring they are secure by design and compliant with the highest standards.

The client is ideally looking for a specialist in the Security space, with ideally around 5+ years of experience. They are one of the global leaders in aerospace innovation, and commercial aircraft.

They will be looking for someone who has experience across the following;



Key Responsibilities

  • Design, develop, and maintain secure system architectures for MOD platforms and networks.
  • Ensure alignment with standards including NIST SP 800-53, ISO 27001, JSP 440, DEF STAN 05-138, and NCSC guidance.
  • Produce and maintain security documentation such as Security Architecture Documents, Risk Assessments, and Management Plans.
  • Lead secure design reviews and contribute to engineering assurance gates.
  • Liaise with MOD, NCSC, and other stakeholders to support security assurance processes.
  • Collaborate with engineering and development teams to embed security from the outset.
  • Stay ahead of evolving threat landscapes and propose mitigation strategies.


Essential Skills & Experience

  • Minimum 6 years' experience in cyber security architecture within defence, aerospace, or critical national infrastructure.
  • Strong knowledge of MOD security requirements (JSP 440, JSP 604, DEF STANs).
  • Proven experience in Secure by Design principles and secure development lifecycles.
  • Deep understanding of security architectures, processes, and compliance frameworks (ISO 27001, CE/CE+).
  • Experience with MOD security assurance artefacts and risk management frameworks (HMG IS1/IS2, NIST RMF).
  • Excellent communication skills - able to engage technical and non-technical stakeholders.
  • Must hold current SC Clearance.


Certifications (Preferred)

  • CISSP - Certified Information Systems Security Professional
  • CISM - Certified Information Security Manager
  • SABSA, TOGAF, or equivalent architecture certifications

If you are interested in the role above, please "apply now" for further information

This vacancy is being advertised by Belcan