Security Engineer - MOD/Defence - DV Cleared

Salary: £70,000 - 80,000 per year

Requirements:

• Hands-on security engineering experience in complex environments.
• Experience with privileged access management (PAM) or identity security solutions.
• Experience with Active Directory, identity providers, privileged accounts, and service accounts.
• Experience with vulnerability scanning, EDR, or SIEM tooling.
• Elastic SIEM experience is a strong advantage.
• Understanding of RBAC, credential management, and security monitoring.
• Experience with DevSecOps, CI/CD, ATT&CK, or MOD security environments would be useful.
• High-level UK Security Clearance is required.

Responsibilities:

• We maintain and improve security platforms that control privileged access, credentials, and administrative activity across critical infrastructure.
• We manage passwords, SSH keys, API keys, and privileged credentials.
• We configure and troubleshoot automated password and credential rotation.
• We run discovery scans across Active Directory and network environments.
• We manage RBAC, permissions, and user/group access.
• We monitor privileged sessions and investigate failed authentication activity.
• We maintain, patch, and upgrade security platforms.
• We review audit logs and integrate security events with SIEM tooling.
• We troubleshoot firewalls, load balancers, and connectivity issues.

Technologies:

• API
• Active Directory
• CI/CD
• DevSecOps
• Network
• RBAC
• Security

More:

We are hiring for a hands-on Security Engineer role within a highly secure Defence and National Security environment in Farnborough, with a hybrid working pattern of 3 days per week on site. This role offers a salary of £75,000-£80,000 plus bonus and benefits, along with a strong corporate benefits package. We are looking for someone with experience in PAM, identity security, Elastic SIEM, or hands-on security engineering who wants to work on complex systems where security has a direct operational impact.

last updated 39 week of 2026