Security Architect_ Active DV clearance

We are seeking an experienced Security Architect for an initial 6-month contract based on-site in Erskine. You will lead the design, build, and assurance of backend platforms and endpoint protection capabilities within secure, offline (air-gapped) environments.

• Working Pattern: 5 days per week on-site in Erskine or 2 days in a week to Corsham, UK.

• IR35 Status: Inside IR35.

• Duration: Approximately 6 months .

• Design and implement endpoint security solutions, AntiVirus/EDR capabilities, and platform controls for air-gapped systems.

• Define secure patching, vulnerability management, and data transfer mechanisms for disconnected networks.

• Produce formal technical documentation (HLDs, LLDs, SOPs) and Penetration Testing scopes.

• Ensure full compliance with UK security policies (including JSP 440, JSP 604, JSP 453), NCSC guidance, and the NIST framework.

• Clearance: Must hold active, full transferable DV (Developed Vetting) Clearance.

• Sector Experience: Proven track record as a Security Architect or SME within Defence or highly classified UK government environments.

• Technical Domain: Hands-on experience securing air-gapped networks, endpoint tools, and vulnerability management platforms.

Apply: If you would be interested Apply with your updated CV or share it on (url removed).

Randstad Technologies is acting as an Employment Business in relation to this vacancy.