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Cyber Security Engineer (T4) - Careers at Leidos

Leidos

Cyber Security Engineer (T4) - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Security Engineer (T4) in Farnborough, UK

Leidos delivers innovative solutions through diverse, talented teams committed to customer success, community contribution, and sustainability. Guided by our Mission, Vision, and Values, we're seeking a Cyber Security Engineer with deep infrastructure engineering and coding expertise to strengthen our security framework.

Key Responsibilities

  • Support COTS application updates, vulnerability scanning, and security definition management.
  • Perform daily security checks, system health monitoring, capacity reporting, and patching.
  • Manage logs, accounts, backups, reboots, and PKI/secrets lifecycle.
  • Conduct platform audits, code reviews, and vulnerability triage.
  • Update documentation, SOPs, and implement monitoring tools.

Essential Skills & Experience

Require infrastructure hardening in Microsoft/Linux/Unix, VMWare, endpoint security (Symantec/Trellix), firewalls, vulnerability scanning, and code analysis (Java/PowerShell).

Desirable Qualifications

  • MOD/Home Office project experience.
  • 3rd line infrastructure background, automation, SecDevOps, SIEM (Splunk/ArcSight/LogRhythm).
  • Strong communication for leadership reports and security groups.

Why Leidos?

Full-time onsite at Farnborough Aerospace Centre. Requires Developed Vetting (DV) clearance. Lead security integration across development lifecycles in a dynamic environment, reporting to technical leads. Excellent verbal/written skills, teamwork, and commercial awareness essential.

Ready for your next challenge? Apply to fortify our applications and infrastructure.

Locations

  • Farnborough, Hampshire, United Kingdom

Salary

Estimated Salary Rangehigh confidence

65,000 - 85,000 GBP / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Infrastructure hardening and maintenanceintermediate
  • Microsoft and Linux/Unix administrationintermediate
  • VMWare virtualization technologiesintermediate
  • Endpoint Security Products (Symantec, Trellix)intermediate
  • Network Security (Firewalls)intermediate
  • Vulnerability Scanning and Analysisintermediate
  • Code Analysis (Java, PowerShell)intermediate
  • SecDevOps tools and methodologiesintermediate
  • SIEM solutions (Splunk, ArcSight, LogRhythm)intermediate
  • PKI and Secrets Managementintermediate
  • Automation and process developmentintermediate

Required Qualifications

  • Developed Vetting (DV) clearance (experience)
  • Proven 3rd line infrastructure engineering experience (experience)
  • Experience in MOD or Home Office environments (experience)
  • Strong analytical and problem-solving skills (experience)
  • Excellent communication and documentation abilities (experience)
  • Commercial awareness (experience)

Responsibilities

  • Support COTS application updates for compatibility and security
  • Conduct vulnerability scanning and analysis across environments
  • Perform daily security and system health checks
  • Manage patching, log archiving, and account policies
  • Oversee backups, reboots, and preventative maintenance
  • Execute platform health audits and PKI checks
  • Review code for security issues pre-production
  • Monitor capacity and implement resource monitoring tools
  • Update documentation and SOPs periodically

Benefits

  • general: Full-time onsite role with career growth opportunities
  • general: Work with diverse, talented teams dedicated to customer success
  • general: Contribution to community and sustainable operations
  • general: Guided by Leidos Mission, Vision, and Values
  • general: Dynamic environment integrating security in development lifecycle
  • general: Reporting to System Technical Lead and Cyber Security Engineering Lead

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Jobs in Farnborough UKLeidos CareersCyber Security Hiring United KingdomMOD projectsEngineeringInformation TechnologySecurity

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Leidos logo

Cyber Security Engineer (T4) - Careers at Leidos

Leidos

Cyber Security Engineer (T4) - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Security Engineer (T4) in Farnborough, UK

Leidos delivers innovative solutions through diverse, talented teams committed to customer success, community contribution, and sustainability. Guided by our Mission, Vision, and Values, we're seeking a Cyber Security Engineer with deep infrastructure engineering and coding expertise to strengthen our security framework.

Key Responsibilities

  • Support COTS application updates, vulnerability scanning, and security definition management.
  • Perform daily security checks, system health monitoring, capacity reporting, and patching.
  • Manage logs, accounts, backups, reboots, and PKI/secrets lifecycle.
  • Conduct platform audits, code reviews, and vulnerability triage.
  • Update documentation, SOPs, and implement monitoring tools.

Essential Skills & Experience

Require infrastructure hardening in Microsoft/Linux/Unix, VMWare, endpoint security (Symantec/Trellix), firewalls, vulnerability scanning, and code analysis (Java/PowerShell).

Desirable Qualifications

  • MOD/Home Office project experience.
  • 3rd line infrastructure background, automation, SecDevOps, SIEM (Splunk/ArcSight/LogRhythm).
  • Strong communication for leadership reports and security groups.

Why Leidos?

Full-time onsite at Farnborough Aerospace Centre. Requires Developed Vetting (DV) clearance. Lead security integration across development lifecycles in a dynamic environment, reporting to technical leads. Excellent verbal/written skills, teamwork, and commercial awareness essential.

Ready for your next challenge? Apply to fortify our applications and infrastructure.

Locations

  • Farnborough, Hampshire, United Kingdom

Salary

Estimated Salary Rangehigh confidence

65,000 - 85,000 GBP / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Infrastructure hardening and maintenanceintermediate
  • Microsoft and Linux/Unix administrationintermediate
  • VMWare virtualization technologiesintermediate
  • Endpoint Security Products (Symantec, Trellix)intermediate
  • Network Security (Firewalls)intermediate
  • Vulnerability Scanning and Analysisintermediate
  • Code Analysis (Java, PowerShell)intermediate
  • SecDevOps tools and methodologiesintermediate
  • SIEM solutions (Splunk, ArcSight, LogRhythm)intermediate
  • PKI and Secrets Managementintermediate
  • Automation and process developmentintermediate

Required Qualifications

  • Developed Vetting (DV) clearance (experience)
  • Proven 3rd line infrastructure engineering experience (experience)
  • Experience in MOD or Home Office environments (experience)
  • Strong analytical and problem-solving skills (experience)
  • Excellent communication and documentation abilities (experience)
  • Commercial awareness (experience)

Responsibilities

  • Support COTS application updates for compatibility and security
  • Conduct vulnerability scanning and analysis across environments
  • Perform daily security and system health checks
  • Manage patching, log archiving, and account policies
  • Oversee backups, reboots, and preventative maintenance
  • Execute platform health audits and PKI checks
  • Review code for security issues pre-production
  • Monitor capacity and implement resource monitoring tools
  • Update documentation and SOPs periodically

Benefits

  • general: Full-time onsite role with career growth opportunities
  • general: Work with diverse, talented teams dedicated to customer success
  • general: Contribution to community and sustainable operations
  • general: Guided by Leidos Mission, Vision, and Values
  • general: Dynamic environment integrating security in development lifecycle
  • general: Reporting to System Technical Lead and Cyber Security Engineering Lead

Target Your Resume for "Cyber Security Engineer (T4) - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Cyber Security Engineer (T4) - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Cyber Security Engineer (T4) - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Farnborough UKLeidos CareersCyber Security Hiring United KingdomMOD projectsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Cyber Security Engineer (T4) - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.