Senior Product Security Engineer in Southampton

Your Impact: Are you an engineer with experience assuring product security within highly regulated or safety‑critical environments? Our Electronic Warfare and Future Combat Air Systems (EW & FCAS) Design Integrity team is seeking a Senior Product Security Engineer to help shape the defence products of the future across all domains. In this role, you will take ownership of product security delivery, working closely with multidisciplinary product teams across the EW and FCA business areas to ensure security is embedded throughout the lifecycle. Please note that this role is working on a hybrid basis (a minimum of one day per week on site). You can work from any of our following sites: Luton, Bristol, Southampton, Lincoln or Basildon.

Your responsibilities will include:

• 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.

What you’ll bring:

• Practical experience of ISO27001/27004/27005 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 lifecycles 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 GovAssure processes).

This is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.

Security Clearance: 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, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV).

Why join us: 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 LinkedIn 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.

For a full list of our company benefits please visit our website. Leonardo is a global leader in Aerospace, Defence, and Security. Headquartered in Italy, we employ over 53,000 people worldwide including 8,500 across 9 sites in the UK. Our employees are not just part of a team—they are key contributors to shaping innovation, advancing technology, and enhancing global safety. At Leonardo we are committed to building an inclusive, accessible, and welcoming workplace. We believe that a diverse workforce sparks creativity, drives innovation, and leads to better outcomes for our people and our customers. If you have any accessibility requirements to support you during the recruitment process, just let us know. Be part of something bigger - apply now!