Senior Mechanical Engineer in Southampton

Salary Range: £44,171 - £57,000. Leonardo UK operates a grade‑based salary framework with broad bands. The salary range shown reflects the approved grade band for this role.

Role Overview: We are looking for Mechanical Engineers to join our team developing the next generation of Sensors. The role will involve novel approaches to overcome demanding challenges set by customers.

Responsibilities:

• Deliver compliance of Mechanical Engineering solutions through the entire Engineering Lifecycle, ensuring that the solutions consider all requirements including product quality, safety, reliability, etc.
• Mechanical Engineering detailed design, including numerical calculations, tolerance studies, etc.
• Support senior peers in the delivery of mechanical solutions and techniques that enable the team to advance the next generation of product.
• Produce Manufacturing Data Packs in line with BS8888, including appropriate use of GD&T.
• Provide support to successful resolution of technical investigations.
• Contribute to reviews of mechanical designs in accordance with business and industry standards.
• Hands‑on involvement in practical implementation of development builds and Design of Experiments.
• Provide support during the introduction of new product into the Development/Production lifecycle phase.
• Actively contribute to Work Package delivery elements to achieve desired Quality, Schedule and Cost.

Qualifications:

• A degree in Mechanical Engineering (or similar), or experience in the field of Defence (Airborne, naval, etc.) environments.
• Mechanical engineering for Electronic and/or EO products.
• Design of systems for ‘harsh environments’ (Shock, Vibration, Temperature, EMC, Salt fog, etc.).
• Mechanical design and development using 3D CAD tools (ideally PTC Creo).
• Problem solving using a structured, logical approach to investigate issues and problems in an effective manner.
• Understanding of Structural and Thermal Analyses data, to inform design decisions.
• Experience in various aspects of Design for X (DfX), including Manufacturing, Assembly, Test, Integration and Sustainability.
• Security clearance: subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS); additional National Security Vetting (NSV) may apply.

Benefits: We offer a comprehensive, company‑funded benefits package that supports wellbeing, career development, and work‑life balance. This includes a generous leave policy with up to 12 additional flexi‑days per year, an award‑winning pension scheme with up to 15% employer contribution, free access to mental‑health support, financial advice, and employee‑led diversity networks. Employees at management level and below are eligible for a bonus scheme. We provide free access to over 4,000 online courses via Coursera and LinkedIn Learning, a referral programme, and flexible benefits up to £500 per year including private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships, and more. Flexible working arrangements are available with hybrid options.