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Cyber Security Architect - Careers at Leidos

Leidos

Cyber Security Architect - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Security Architect

Leidos delivers innovative solutions through diverse talent dedicated to customer success. We empower teams, support communities, and operate sustainably, guided by our Mission, Vision, and Values.

Role Overview

As a Senior Cyber Security Architect, support Civil & Devolved Government and Energy (DG&E) projects in the UK. Based in the UK, hold SC Clearance or above, and be prepared for additional vetting. Design robust security architectures with high assurance and minimal friction, focusing on simple, effective security valued by customers.

Key Responsibilities

  • Lead cybersecurity architecture design, implementation, and assurance across cloud (AWS, Azure, Oracle) environments.
  • Conduct risk assessments, threat modelling, and mitigation strategies.
  • Embed security controls, produce documentation, and assure requirements through delivery lifecycles.
  • Drive ZTNA strategies, Microsoft Entra ID designs, and Security Architecture Forums.
  • Collaborate with architects to integrate security-by-design into governance and develop policies for compliance.

Requirements

British nationality and SC Clearance essential. 2–4 years in security architecture/senior engineering; 1–2 years leadership. Certifications like SABSA, TOGAF, CISSP-ISSAP advantageous. Excellent communication, IT lifecycle experience required.

Why Leidos?

Join a talented UK cyber team delivering on commitments with diverse activities in an agile environment. Unleash your potential in secure, cloud-focused programmes engaging third parties and customers.

Locations

  • Mobile Worker, United Kingdom

Salary

Estimated Salary Rangehigh confidence

85,000 - 110,000 GBP / yearly

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

Skills Required

  • Cybersecurity architecture design and assuranceintermediate
  • Cloud security (AWS, Azure, Oracle)intermediate
  • Risk assessments and threat modellingintermediate
  • Zero Trust Network Architecture (ZTNA)intermediate
  • Microsoft Entra ID security designintermediate
  • Security Architecture Frameworks (SABSA, TOGAF)intermediate
  • IT systems engineering lifecycleintermediate
  • Stakeholder communication and architectural governanceintermediate

Required Qualifications

  • British nationality (due to project restrictions) (experience)
  • SC Clearance or eligible for SC vetting (experience)
  • 2–4 years in security architecture or senior security engineering (experience)
  • 1–2 years in technical leadership or architecture (experience)
  • Relevant certifications (SABSA, TOGAF, CISSP-ISSAP, Microsoft Cybersecurity Architect Expert, AWS Certified Security – Specialty) (experience)

Responsibilities

  • Lead design, implementation, and assurance of cybersecurity architectures for data, systems, and networks
  • Provide expert guidance on security patterns for cloud and hybrid environments
  • Conduct risk assessments, threat modelling, and mitigation strategies
  • Embed security controls into architectural designs and produce documentation
  • Lead Security Architecture Forums and engagement with architect communities
  • Support ZTNA strategies and Microsoft Entra ID security requirements
  • Develop and implement security policies for compliance

Benefits

  • general: Work with high-performing cyber team on diverse UK government projects
  • general: Opportunities for professional growth and certifications
  • general: Flexible mobile worker role supporting agile environments
  • general: Contribution to innovative solutions in Civil & Devolved Government and Energy sectors
  • general: Commitment to sustainability, community, and employee empowerment
  • general: Potential for additional security clearances and career advancement

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Leidos logo

Cyber Security Architect - Careers at Leidos

Leidos

Cyber Security Architect - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Security Architect

Leidos delivers innovative solutions through diverse talent dedicated to customer success. We empower teams, support communities, and operate sustainably, guided by our Mission, Vision, and Values.

Role Overview

As a Senior Cyber Security Architect, support Civil & Devolved Government and Energy (DG&E) projects in the UK. Based in the UK, hold SC Clearance or above, and be prepared for additional vetting. Design robust security architectures with high assurance and minimal friction, focusing on simple, effective security valued by customers.

Key Responsibilities

  • Lead cybersecurity architecture design, implementation, and assurance across cloud (AWS, Azure, Oracle) environments.
  • Conduct risk assessments, threat modelling, and mitigation strategies.
  • Embed security controls, produce documentation, and assure requirements through delivery lifecycles.
  • Drive ZTNA strategies, Microsoft Entra ID designs, and Security Architecture Forums.
  • Collaborate with architects to integrate security-by-design into governance and develop policies for compliance.

Requirements

British nationality and SC Clearance essential. 2–4 years in security architecture/senior engineering; 1–2 years leadership. Certifications like SABSA, TOGAF, CISSP-ISSAP advantageous. Excellent communication, IT lifecycle experience required.

Why Leidos?

Join a talented UK cyber team delivering on commitments with diverse activities in an agile environment. Unleash your potential in secure, cloud-focused programmes engaging third parties and customers.

Locations

  • Mobile Worker, United Kingdom

Salary

Estimated Salary Rangehigh confidence

85,000 - 110,000 GBP / yearly

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

Skills Required

  • Cybersecurity architecture design and assuranceintermediate
  • Cloud security (AWS, Azure, Oracle)intermediate
  • Risk assessments and threat modellingintermediate
  • Zero Trust Network Architecture (ZTNA)intermediate
  • Microsoft Entra ID security designintermediate
  • Security Architecture Frameworks (SABSA, TOGAF)intermediate
  • IT systems engineering lifecycleintermediate
  • Stakeholder communication and architectural governanceintermediate

Required Qualifications

  • British nationality (due to project restrictions) (experience)
  • SC Clearance or eligible for SC vetting (experience)
  • 2–4 years in security architecture or senior security engineering (experience)
  • 1–2 years in technical leadership or architecture (experience)
  • Relevant certifications (SABSA, TOGAF, CISSP-ISSAP, Microsoft Cybersecurity Architect Expert, AWS Certified Security – Specialty) (experience)

Responsibilities

  • Lead design, implementation, and assurance of cybersecurity architectures for data, systems, and networks
  • Provide expert guidance on security patterns for cloud and hybrid environments
  • Conduct risk assessments, threat modelling, and mitigation strategies
  • Embed security controls into architectural designs and produce documentation
  • Lead Security Architecture Forums and engagement with architect communities
  • Support ZTNA strategies and Microsoft Entra ID security requirements
  • Develop and implement security policies for compliance

Benefits

  • general: Work with high-performing cyber team on diverse UK government projects
  • general: Opportunities for professional growth and certifications
  • general: Flexible mobile worker role supporting agile environments
  • general: Contribution to innovative solutions in Civil & Devolved Government and Energy sectors
  • general: Commitment to sustainability, community, and employee empowerment
  • general: Potential for additional security clearances and career advancement

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

Get personalized recommendations to optimize your resume specifically for Cyber Security Architect - 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 Architect - 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 United KingdomLeidos CareersCybersecurity HiringUK Mobile WorkerGovernment IT SecurityEngineeringInformation TechnologySecurity

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

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.