Cyber Security Engineer

Leidos

. Provide cybersecurity engineering services for classified and unclassified networks of computer systems .

Posted 4/7/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSenior💰 £47,600 - £61,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityFirewallsKubernetes

About the role

Key responsibilities & impact

Provide cybersecurity engineering services for classified and unclassified networks of computer systems
Develop creative solutions to complex technical issues and problems
Work with the engineering teams to ensure systems remain at the required security posture against baseline requirements
Work with the Security Monitoring engineering team to ensure logs are forwarded to the SIEM capability
Work with the customer and appropriate agencies to develop new policies, design processes, and procedures, and develop technical designs
Assess system vulnerabilities, implement risk mitigation strategies, validate secure systems, and test security products and systems to detect security weaknesses
Maintain and support security enforcing functions

Requirements

What you’ll need

Experience working in MOD or Home Office project environments
Strong knowledge of network and system security, including firewalls, IDS/IPS, micro-segmentation, and host security
Hands on experience with security products Trellix, Ivanti, ClearSwift, Yubikey
Understanding of secure coding practices and common vulnerabilities (OWASP Top 10, SANS Top 25)
Expertise in identity and access management (IAM), including RBAC, ABAC, JWT and Cookie based authentication
Incident detection and response in MOD environments
Security compliance and regulatory frameworks (e.g., NIST, CIS Benchmarks)
Experience working with Kubernetes at an administrative level

Benefits

Comp & perks

Contributory Pension Scheme
Private Medical Insurance
33 days Annual Leave (including public and privilege holidays)
Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
Flexible Working Scheme

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cybersecurity engineeringnetwork securitysystem securityrisk mitigationsecure coding practicesidentity and access managementincident detectionsecurity complianceKubernetes administrationvulnerability assessment

Soft Skills

problem solvingcollaborationcommunicationpolicy developmentprocess design