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Security Consultant - DV Cleared
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Security Subject Matter Expert (SME) – Onsite (MOD Defence Partner) – Corsham
About the Role
We are seeking a Security Subject Matter Expert for a 6-month contract position with a critical Defence partner in Corsham, working within a high-assurance environment. This role will require close collaboration with Ministry of Defence (MOD) stakeholders, delivering end-to-end security assurance across systems, applications, and infrastructure in line with rigorous Defence standards.
Key Details
📍 Location: Corsham (onsite) 🔐 Security Clearance Required: DV+ (additional clearances required; UK nationals only, including spouse) 💷 Rate: £500–600 per day (outside IR35) 📅 Duration: 6 months
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Responsibilities
As the on-site Security SME, you will act as the primary security assurance authority, engaging with MOD teams to:
- Lead security assurance and formal sign-off for critical Defence systems and infrastructure.
- Review security architectures and technical designs to ensure compliance with high-assurance requirements.
- Oversee SIEM, monitoring, and forensic readiness to detect, investigate, and mitigate security incidents.
- Lead and assess penetration testing and vulnerability assessments across systems and networks.
- Approve secure code reviews and software release changes, ensuring adherence to defence-grade security standards.
- Evaluate suppliers and third-party products for security risks, providing knowledgeable and evidenced-based recommendations.
- Develop and maintain clear, auditable security documentation for traceability and compliance.
- Provision evidence-based security advice and guidance to MOD teams, fostering a culture of security across the organisation.
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About You
This role requires substantial technical experience, particularly in:
- Software security, penetration testing, or vulnerability management.
- Experience verifying secure systems design within high-assurance environments (e.g., Defence, national security).
- Clearance at Defence Standard 02 (DV+) level, with additional sensitivities where applicable.
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