Senior Mechanical Engineer

Company: Leonardo UK Ltd
Apply for the Senior Mechanical Engineer
Location: Southampton
Job Description:

Job Description

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.

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Posted: June 19th, 2026