Infrastructure Security Architect - DV Cleared

CBSbutler Holdings Limited trading as CBSbutler · Basingstoke, Hampshire, United Kingdom

Location
Basingstoke
Job Type
Full-time
Posted
June 27, 2026

Job Description

Security Architect - Defence / Secure Infrastructure

+ Long term contract

+ Outside IR35

+ DV Cleared

+ Hampshire based

+ Rate on application

We are seeking an experienced Security Architect to support the design, assurance and accreditation of highly secure infrastructure and network environments within a classified defence programme.

Working within a multi-disciplinary engineering team, you will define security architectures, conduct threat modelling and risk assessments, and ensure compliance with stringent security and accreditation requirements across complex IT and networked systems.

Key Skills & Experience

Proven Security Architecture experience within Defence, MOD, National Security or other highly regulated environments.
Strong understanding of secure infrastructure, network and platform architectures.
Experience with:
Network segmentation and zoning
Firewalls, IDS/IPS and boundary security control...

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