Cyber Security & Assurance Engineer in London

Location: F/T on site to Huntingdon, UK

Clearance: High - DV 'Developed Vetting'

We're seeking an Information Assurance Engineer ready to take on diverse, high impact projects. You'll provide support to customer programmes including PITSM, MPS, HOB, and others across Logistics, Civil, and National Security Defence & Intelligence in the UK. You must be based in the UK with DV Clearance (additional clearances may be required). We are seeking individuals to join a high performing team and confidently deliver trusted security solutions across a diverse range of complex, high value projects. Our goal is to provide security that is quietly effective, highly assured, and free from unnecessary complexity; simple, reliable protection that our customers truly value.

The role will contribute to delivering robust, well managed assurance solutions for our customers' sensitive programmes. The initial deployment on PITSM will involve extensive third party and customer liaison, requiring strong communication and relationship building skills. This work will bring variety to your day to day responsibilities and operating within flexible parameters in an agile environment will demand effective scheduling and prioritisation to maintain service quality. Beyond PITSM we expect to develop further information assurance opportunities as our customer base and each of the projects we deliver continue to expand, including the use of common tooling that will facilitate the tracking and reporting of assurance actions. We are also developing NIST compliant risk assessment methodology and tooling that is raising our quality and customer confidence, you will be part of these developments. The role in PITSM and likely other projects later will be responsible to the cyber lead for project outcomes and to help with career planning and personal development for junior members of the team.

The ideal candidate will support the wider Leidos security capability, beyond Information Assurance, joining a talented and multifaceted 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 – many of our projects have nationality restrictions
• DV cleared – or Candidates should be willing to undergo DV Clearance.
• Experience in delivering accredited security solutions in sensitive government scenarios

Essential Skills & Experience

• Risk & Assurance
• Strong grasp of Confidentiality, Integrity, Availability & Safety (CIA+S), with practical risk management experience
• Experience in assurance processes for secure/sensitive systems using structured risk analysis
• Continuous assurance through implementation of NIST-based Information Security Management System (ISMS) controls and processes.
• Evaluating responses to security requirements for systems
• Maintaining security documentation sets (SyOPS, RMADs, Security Management Plans etc.)
• Lifecycle & Methodologies
• Experience of the IT systems engineering lifecycle
• Understanding of lifecycle processes (requirements management, configuration management, testing, assurance) and how cyber assurance integrates
• Knowledge of methodologies (Waterfall, Incremental, SAFE, DevOps)
• Experienced in managing ITHC activities end-to-end, from initial scoping through remediation
• Incident Response & Awareness
• Experienced in developing and managing Cyber Incident Response capabilities, including planning, implementation, and continuous improvement
• Proven experience designing and delivering Security Awareness programs, incorporating threat modelling, tabletop exercises, and war-gaming scenarios

Desirable Skills & Experience

• Domain & Delivery Experience
• Experience working in both delivery and proposal environments
• Experience working in MOD AS environments
• Technology Skills & Experience
• Principles of network and boundary protection (firewalls, mail gateways, load balancers, antivirus, IPS/IDS, Diodes)
• Protective Monitoring systems (SIEM/SOC) and deployment principles
• Authentication & authorisation technologies (SAML, LDAP, PKI, etc.)
• Encryption protocols and structures supporting secure deployment
• Communication & Soft Skills
• Excellent verbal and written communication skills; thrives in a team environment
• Skilled at developing and presenting reports tailored to different audiences
• Strong commercial awareness and disciplined project management approach

Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your CV with us today!

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Our work in the United Kingdom includes addressing some of the most complex problems in national security, defence, government, logistics and operations, transportation, and energy.

What 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:

• 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)
• Access to Flexi-time benefits

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.

Who We Are:

Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.

What Makes Us Different:

• Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.
• Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.
• People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail.