Security Architect

+6 months +

+Hybrid working in Corsham

+Inside IR35

+SC cleared role

Skills:

+MOD

+HLD / LLD

+ VMware Horizon, ESXi, vCentre, vSAN

+PKI

We are seeking an experienced Security Architect to support the design and assurance of secure, enterprise-grade solutions for a major MOD NSOIT programme. Working at the heart of the OpNET Solution Design Authority, you'll play a vital role in developing secure, interoperable, and compliant architectures for a complex, high-security environment.

Key Responsibilities:

Provide expert security input into OpNET's technical roadmap and High-Level Designs (HLDs) for the NSOIT solution.

Design Intermediate Level Designs (ILDs) that align to MOD policies and industry best practices.

Review and assure Low-Level Designs (LLDs) and Detailed-Level Designs (DLDs).

Identify system vulnerabilities and advise on mitigation strategies.

Assess and review third-party services for security compliance.

Define and document security elements within the architectural runway, guiding platform and cyber teams (e.g., logging, antivirus, cyber defence, firewall configuration).

Essential Skills & Experience:

Proven experience delivering secure architecture within complex, large-scale government or defence programmes.

Deep knowledge of:

Secure infrastructure and software solution design

MOD security standards and NCSC design patterns

Public and private cloud solutions using Software Defined Datacentre (SDDC)

Secure cryptographic provisioning, PKI, ADFS, proxy services

Defence Lines of Development and MOD Capability Integration

Technical expertise across:

VMware Horizon, ESXi, vCentre, vSAN

Microsoft Server (Apply online only)), Windows 10, Exchange, SQL, Skype, Group Policy

Linux-based VDI solutions

Experience with MOD service management tooling and ITIL

Strong communication and analytical skills, with the ability to engage diverse technical and non-technical audiences.

Security certifications and experience with accredited secure solutions in the UK Public Sector.

Current SC clearance

If you'd like to discuss this Security Architect role in more detail, please send your updated CV to (url removed) and I will get in touch