
Your impact
Are you a Systems Engineer who loves contributing to the UKs Defence Industry and making impactful change? We are looking for a Principal or Lead Systems Engineer to provide technical support within the Cyber and Electro Magnetic Activities (CEMA) and Integrated Communication Systems (ICS) business group, covering Naval Systems.
Within the Naval Systems IPT, the projects are diverse and exciting. There is a portfolio of work from core products that have been in service for many years, requiring support alongside forward looking developments, technology demonstrators and research projects. With customer intimacy and close collaboration with other organisations across the industry, we work to achieve a market leading position in products primarily relating to RF, Comms and Networking based domains. The opportunity to be involved as a Principal or Lead Systems Engineer represents a chance to be at the heart of a range of technologies and exciting projects across the full engineering lifecycle.
In this role, you will work as part of a multi-disciplinary IPT, supporting the current Chief Project Engineers who are the technical leaders for our products and projects. These projects will push the boundaries of innovation, technology, and the ingenuity of our engineering community to provide the required level of performance and capability of our various customers.
Key Responsibility Areas:
What you’ll bring
The Principal or Lead Systems Engineer will need to:
You really must have:
It would be nice if you had:
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). For more information and guidance please visit: https://careers.uk.leonardo.com/gb/en/security-and-vetting
Salary Range:
Where this vacancy is being recruited across more than one grade, the successful candidate will be appointed to a specific assessed grade, and the applicable salary range will be that associated with the grade of appointment.
Leonardo UK operates a grade-based salary framework with broad bands. The salary range shown reflects the approved grade band for this role, or a narrower hiring range published within that band, and is benchmarked against the external market. Exceptions above the standard range are managed through governance controls to protect internal equity.
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.
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!
Primary Location:
GB - Southampton
Contract Type:
Permanent
Hybrid Working:
Hybrid

Leonardo is a global security company that realises multi-domain technological capabilities in AD&S.
With over 60,000 employees worldwide, the company has a significant industrial presence in Italy, the UK, Poland, and the US. It also has a commercial presence in 150 countries through subsidiaries, joint ventures and investments. A key player in major international strategic programmes, it is a technological and industrial partner of governments, defence administrations, institutions and companies.
In 2024, Leonardo recorded consolidated revenues of €17.8 bn, new orders for €20.9 bn and invested €2.5 bn in R&D. Innovation, continuous research, digitalisation and sustainability are the pillars of its business worldwide.
Stefano Pontecorvo has been the Chairman since 9 May 2023 and Roberto Cingolani has been the CEO and General Manager since 9 May 2023.
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