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Job #: R-00128024
Location: Remote, GB
Category: Cyber Security Architecture and Engineering
Schedule (FT/PT): Full Time
Travel Required: Yes, 25% of the time
Shift: Day
Potential for Telework: Yes, 75%
Clearance Required: UK - SC



Role Description

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

We require a senior cyber security engineer for support to our customer projects within Civil & DG&E divisions in the UK. You need to be in the UK with ability to hold SC Clearance or above and you may need to apply for additional personnel security clearances. We are looking for individuals who join a high-performing team and work confidently to make excellent security happen quietly for our customers with high assurance and no fuss. Simple, effective security that our customers value. The role will support work that delivers robust and efficiently managed technical solutions for our customers’ sensitive programmes. The roles require a degree of third-party and customer liaison, and will establish, then support ongoing growth. This will bring diversity in what is needed day-to-day and with flexible operating parameters to support service in an agile environment, will require good scheduling and scheduling prioritisation skills. The successful candidate will be expected to manage day to day activities on several programme environments most of which are in the cloud (AWS & Azure) and react to break fix and scheduled cyber engineering activities. The ideal candidate will support the wider Leidos security capability, beyond cyber-Engineering, joining a talented and multi-faceted cyber team with a reach across our UK business delivering on our customer commitments and seeking out great opportunities to deliver great security by design.

Candidate Essentials

British - non-dual national – Most of our projects have nationality restrictions.

SC cleared (Eligible to undergo SC Vetting)

 – Candidates should be willing to undergo DV clearance, NPPV3 Clearance as needed.

Experience working on accredited security solutions in sensitive government or CNI scenarios.


  • Experience in 3rd line technical support role.
  • Experience in a security related technical support role.
  • Relevant Security engineering certifications e.g.
  • Microsoft Certified: Azure Security Engineer Associate, AWS Cloud Practitioner, Security Vendor or other similar certifications are an advantage such as CEH, CompTIA security, CISMP, SANS.

Essential Process Skills/Experience

  • Experience of the IT systems engineering lifecycle.
  • Understanding of the controlling processes for the systems engineering lifecycle (e.g. requirements management, configuration management, testing and assurance) and where cyber engineering fits in to these
  • Understanding of different lifecycles/methodologies (waterfall, incremental, agile, DevOps)
  • Solid understanding of Confidentiality, Integrity and Availability (CIA) and practical experience in applying that understanding in cyber engineering delivery
  • Experience working on secure solutions in secure environments.
  • Understanding of service operations and security operational management planning
  • Awareness of Security Frameworks such as ISO 27001, ISO 27002, NCSC Cloud Security Principles.
  • Experience of Mentoring and acting with a team lead or senior role supporting Junior members of the team.

Desirable Experience

  • Experience working in both customer delivery environments.
  • Experience in SecDevOps, deploying via infra as code or security as code.
  • Experience working in CNI, MOD or Home Office project environments.
  • Working within an AGILE environment

Technology skills/Experience

  • Understanding of principles of network and boundary protection technologies (firewalls, mail gateways, load balancers, anti-virus, IPS, IDS)
  • Demonstrate understanding of Cloud Security Controls on both Azure and AWS.
  • Understanding of Protective Monitoring systems (SIEM/SOC) and the principles of their deployment.
  • Understanding of authentication and authorisation technologies (SAML, LDAP, PKI, etc.)
  • Understanding of encryption and protocols and structures in support of deployment.
  • Understanding of purpose and effectiveness of penetration tests or IT Health Checks, experience of supporting these would be helpful.
  • Experience in defining and implementing security requirements for a system:
    • Microsoft OS
    • Linux OS
    • Virtualisation technologies
    • Networking
    • Endpoint Security Products

Communication and Soft Skills

  • Excellent verbal and written communication skills and works well in a team environment.
  • Capable of developing and communicating a vision to meet the System Requirements
  • Ability to communicate complex technical ideas across a wide range of different audiences.
  • A good level of commercial awareness and project disciplines.

Clearance Required: This role will require UK SC Clearance.

For more information and guidance please visit:

What do we do for you?:
At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.
We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

•    Relocation package offered
•    Contributory Pension Scheme
•    Private Medical Insurance
•    33 days Annual Leave (including public and privilege holidays)
•    Access to Flexible benefits (including life assurance, health schemes and cycle to work scheme)

Commitment to Diversity:

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture.  We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. 

If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.

Original Posting Date:


While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.


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