Principal Security Engineer

Your Impact

Are you eager to support the delivery of Product cyber resilience, at the cutting edge of fighter aircraft development?

Our Electronic Warfare and Future Combat Air Systems (EW and FCAS) Design Integrity department are seeking a Principal Product Security Engineer to join their team working to develop the defence products of the future across all domains. As a Principal Product Security Engineer, you will be responsible for the delivery of product security. Working alongside product teams as part of the EW and FCAS business areas.

• Defining product security requirements, advising development teams on suitable implementation standards and techniques and supporting product development activities.
• Develop and manage security protocols, tools, and processes that keep our technologies ahead of emerging threats.
• Creation and management of key artefacts such as Risk Assessments and Remediation Action Plans.
• Drive Security Assurance through the full product lifecycle, ensuring every design is robust, compliant, and resilient. Contributing to continual improvement of the engineering capability.
• Contribute to Leonardo’s UK-wide Security and IA community — shaping best practice and influencing security strategy.
• Liaison with Security experts, including the head of product security and Product Cyber Resilience Managers to support ongoing Security Assurance.

• Practical experience of ISO
  27001/27004/27005 and NIST Risk Management Framework (RMF).
• Experience of supporting a security risk management system for highly regulated products based on recognised frameworks such as aerospace, nuclear, automotive, rail or oil and gas.
• Understanding and appreciation of the Engineering development life cycles and how the Product Security specialism aligns.
• Ability to interpret Penetration Test Reports and support remediation action.
• Awareness of UK Government Assurance Processes such as the legacy JSP 604 Assurance or the CAF Gov Assure processes.

This role is subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, and could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit

At Leonardo, our people are at the heart of everything we do. We offer a comprehensive, company‑funded benefits package that supports your wellbeing, career development, and work‑life balance. Whether you’re looking to grow professionally, care for your health, or plan for the future, we’re here to help you thrive.

• Time to Recharge — Enjoy generous leave with the opportunity to accrue up to 12 additional flexi‑days each year.
• Secure your Future — Benefit from our award‑winning pension scheme with up to 15% employer contribution.
• Your Wellbeing Matters — Free access to mental health support, financial advice, and employee‑led networks championing inclusion and diversity.
• Rewarding Performance — All employees at management level and below are eligible for our bonus scheme.
• Never Stop Learning — Free access to 4,000+ online courses via Coursera and Linked In Learning.
• Refer a friend — Receive a financial reward through our referral programme.
• Tailored Perks — Spend up to £500 annually on flexible benefits including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
• Flexible working — Flexible hours with hybrid working options. For part‑time opportunities, please talk to us about what might be possible for this role.

GB – Luton – Cap. Green 300

GB – Basildon, GB – Bristol – Coldharbour Lane, GB – Lincoln, GB – Southampton

Permanent

Hybrid

At Leonardo, we are committed to building an inclusive, accessible, and welcoming workplace. If you have any accessibility requirements to support you during the recruitment process, just let us know.