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Cyber Security Engineer - Careers at Leidos

Leidos

Cyber Security Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Cyber Security Engineer at Leidos

Join Leidos in Huntingdon, UK, as a Cyber Security Engineer, delivering innovative solutions for classified and unclassified networks. Require DV clearance and on-site presence 4/5 days weekly.

Key Responsibilities

  • Develop creative solutions to complex technical cybersecurity challenges.
  • Collaborate with engineering teams to maintain security posture against baselines.
  • Ensure logs forward to SIEM with Security Monitoring team.
  • Work with customers and agencies on policies, processes, and technical designs.
  • Assess vulnerabilities, mitigate risks, validate systems, and test security products.
  • Maintain security enforcing functions.

Core Skills

  • MOD/Home Office experience.
  • Network/system security: firewalls, IDS/IPS, micro-segmentation; hands-on with Trellix, Ivanti, ClearSwift, Yubikey.
  • Secure coding (OWASP Top 10, SANS Top 25).
  • IAM expertise (RBAC, ABAC, JWT, cookies).
  • MOD incident detection/response.
  • Compliance: NIST, CIS Benchmarks.
  • Kubernetes administration.

Desirable Skills

Containerisation Security: Kubernetes RBAC/network policies, container runtime security, image scanning, Tanzu deployments, runtime monitoring.

DevSecOps & CI/CD: Secure pipelines with Git/SonarQube, IaC (Terraform/Ansible), secrets management (Vault), automation (GitHub Actions, Jenkins).

Cloud & Infrastructure: Containerised cloud security, KSPM (Trivy), Istio service mesh, encryption, Tanzu networking (NSX), compliance auditing.

Automation: Python/PowerShell scripting, API security (OAuth/JWT).

Soft Skills

  • Leadership/mentoring.
  • Cross-team communication.
  • Security advocacy in DevOps.

Leidos empowers teams, supports communities, and commits to ethical practices. Ready for your next challenge?

Locations

  • Huntingdon, Cambridgeshire, 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

  • Network and system security (firewalls, IDS/IPS, micro-segmentation, host security)intermediate
  • Hands-on experience with Trellix, Ivanti, ClearSwift, Yubikeyintermediate
  • Secure coding practices (OWASP Top 10, SANS Top 25)intermediate
  • Identity and access management (IAM, RBAC, ABAC, JWT, Cookie authentication)intermediate
  • Incident detection and response in MOD environmentsintermediate
  • Security compliance (NIST, CIS Benchmarks)intermediate
  • Kubernetes administration and securityintermediate
  • Kubernetes security (RBAC, network policies, pod security standards, secrets management)intermediate
  • Container runtime security and image scanningintermediate
  • Secure CI/CD pipelines (Git, SonarQube, Terraform, Ansible, Vault)intermediate
  • Cloud security in containerised environments (KSPM, Trivy, Istio, NSX)intermediate
  • Scripting in Python, PowerShell for security automationintermediate
  • API security (OAuth, JWT, API gateways)intermediate

Required Qualifications

  • Developed Vetting (DV) security clearance required (experience)
  • Experience in MOD or Home Office project environments (experience)
  • Strong leadership and mentoring abilities (experience)
  • Effective communication across dev, ops, and security teams (experience)
  • Ability to advocate security in DevOps culture (experience)

Responsibilities

  • Develop creative solutions to complex cybersecurity issues
  • Ensure systems maintain required security posture against baselines
  • Collaborate with Security Monitoring team for SIEM log forwarding
  • Develop policies, processes, procedures, and technical designs with customers and agencies
  • Assess vulnerabilities, implement risk mitigation, validate secure systems, test security products
  • Maintain and support security enforcing functions

Benefits

  • general: Work with diverse, talented teams dedicated to customer success
  • general: Opportunities for professional growth and unleashing potential
  • general: Contribution to communities and sustainable operations
  • general: Guided by Leidos Mission, Vision, and Values
  • general: Occasional travel to other UK sites with primary on-site role

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Tags & Categories

Jobs in Huntingdon UKLeidos CareersCybersecurity United KingdomDV Cleared PositionsDefence IT JobsEngineeringInformation TechnologySecurity

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Leidos logo

Cyber Security Engineer - Careers at Leidos

Leidos

Cyber Security Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Cyber Security Engineer at Leidos

Join Leidos in Huntingdon, UK, as a Cyber Security Engineer, delivering innovative solutions for classified and unclassified networks. Require DV clearance and on-site presence 4/5 days weekly.

Key Responsibilities

  • Develop creative solutions to complex technical cybersecurity challenges.
  • Collaborate with engineering teams to maintain security posture against baselines.
  • Ensure logs forward to SIEM with Security Monitoring team.
  • Work with customers and agencies on policies, processes, and technical designs.
  • Assess vulnerabilities, mitigate risks, validate systems, and test security products.
  • Maintain security enforcing functions.

Core Skills

  • MOD/Home Office experience.
  • Network/system security: firewalls, IDS/IPS, micro-segmentation; hands-on with Trellix, Ivanti, ClearSwift, Yubikey.
  • Secure coding (OWASP Top 10, SANS Top 25).
  • IAM expertise (RBAC, ABAC, JWT, cookies).
  • MOD incident detection/response.
  • Compliance: NIST, CIS Benchmarks.
  • Kubernetes administration.

Desirable Skills

Containerisation Security: Kubernetes RBAC/network policies, container runtime security, image scanning, Tanzu deployments, runtime monitoring.

DevSecOps & CI/CD: Secure pipelines with Git/SonarQube, IaC (Terraform/Ansible), secrets management (Vault), automation (GitHub Actions, Jenkins).

Cloud & Infrastructure: Containerised cloud security, KSPM (Trivy), Istio service mesh, encryption, Tanzu networking (NSX), compliance auditing.

Automation: Python/PowerShell scripting, API security (OAuth/JWT).

Soft Skills

  • Leadership/mentoring.
  • Cross-team communication.
  • Security advocacy in DevOps.

Leidos empowers teams, supports communities, and commits to ethical practices. Ready for your next challenge?

Locations

  • Huntingdon, Cambridgeshire, 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

  • Network and system security (firewalls, IDS/IPS, micro-segmentation, host security)intermediate
  • Hands-on experience with Trellix, Ivanti, ClearSwift, Yubikeyintermediate
  • Secure coding practices (OWASP Top 10, SANS Top 25)intermediate
  • Identity and access management (IAM, RBAC, ABAC, JWT, Cookie authentication)intermediate
  • Incident detection and response in MOD environmentsintermediate
  • Security compliance (NIST, CIS Benchmarks)intermediate
  • Kubernetes administration and securityintermediate
  • Kubernetes security (RBAC, network policies, pod security standards, secrets management)intermediate
  • Container runtime security and image scanningintermediate
  • Secure CI/CD pipelines (Git, SonarQube, Terraform, Ansible, Vault)intermediate
  • Cloud security in containerised environments (KSPM, Trivy, Istio, NSX)intermediate
  • Scripting in Python, PowerShell for security automationintermediate
  • API security (OAuth, JWT, API gateways)intermediate

Required Qualifications

  • Developed Vetting (DV) security clearance required (experience)
  • Experience in MOD or Home Office project environments (experience)
  • Strong leadership and mentoring abilities (experience)
  • Effective communication across dev, ops, and security teams (experience)
  • Ability to advocate security in DevOps culture (experience)

Responsibilities

  • Develop creative solutions to complex cybersecurity issues
  • Ensure systems maintain required security posture against baselines
  • Collaborate with Security Monitoring team for SIEM log forwarding
  • Develop policies, processes, procedures, and technical designs with customers and agencies
  • Assess vulnerabilities, implement risk mitigation, validate secure systems, test security products
  • Maintain and support security enforcing functions

Benefits

  • general: Work with diverse, talented teams dedicated to customer success
  • general: Opportunities for professional growth and unleashing potential
  • general: Contribution to communities and sustainable operations
  • general: Guided by Leidos Mission, Vision, and Values
  • general: Occasional travel to other UK sites with primary on-site role

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

Get personalized recommendations to optimize your resume specifically for Cyber Security Engineer - 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 - 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 Huntingdon UKLeidos CareersCybersecurity United KingdomDV Cleared PositionsDefence IT JobsEngineeringInformation TechnologySecurity

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

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.