Senior Mechanical Engineer

Job Overview

At Leonardo UK, we are at the forefront of Electronic Warfare innovation, developing world‑class defensive systems for air, land and sea. As a Senior Mechanical Engineer, you will transform conceptual designs into fully engineered solutions, guiding them through the Mechanical Engineering Product Hardware Development Process and collaborating closely with subject matter experts in pressure, thermal, stress and environmental analysis.

• Perform mechanical design and development using 3‑D CAD software with a hands‑on approach.
• Deliver innovative, optimised engineering solutions against requirements, within budget and timescales.
• Manage own elements of the engineering work package.
• Formulate prototype designs and produce physical representations.
• Provide key support to critical technical problem investigations and deliver effective solutions.
• Contribute to continual improvement in product manufacturability through effective relationship building and design guidance/liaison with other engineering functions.
• Conduct preliminary (sizing) structural analyses (hand calculations and Creo Simulate).
• Support visits and meetings at UK sites and suppliers when required.

• Technical or science degree, or equivalent, with demonstrable aerospace‑related experience in the packaging of electronics.
• Experience in problem solving and concurrent engineering practices – structured, logical approach to investigate issues and solve problems in an effective cross‑functional manner.
• Experience in mechanical engineering detailed design – first‑hand experience of engineering design, analysis, tolerance studies (including GD&T) and generation of technical documentation (including an MBD approach).
• Experience and understanding of material selection, machining and manufacturing techniques and employment of them to achieve optimal DFx approaches.
• High level of competence in the use of CAD tools (preferably Creo).
• Understanding of ERP, PLM and PDM systems – Teamcenter Unified and SAP experience would be beneficial.
• Appreciation of fundamental business principles, drivers and key customers with the ability to make effective trade‑offs – cost, quality and schedule.
• Awareness of Mechanical Engineering industry trends – knowledge of new and advancing tools, techniques and technologies.
• Chartered Engineer registration with a recognised organisation (IMechE / RAeS / IED / IET or equivalent).
• Good attitude and willingness to learn. This is the most important skill; experience in all areas is not mandatory.

This role is subject to pre‑employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). Additional Personnel Security Controls referred to as National Security Vetting (NSV) may apply, including eligibility for The Security Check (SC) or Developed Vetting (DV). For more information please visit

• Generous leave with the opportunity to accrue up to 12 additional flexi‑days each year.
• Award‑winning pension scheme with up to 15% employer contribution.
• Free access to mental health support, financial advice and employee‑led networks championing inclusion and diversity.
• Eligibility for bonus scheme for employees at management level and below.
• Free access to 4,000+ online courses via Coursera and Linked In Learning.
• Referral programme that rewards you financially for recommending a friend.
• Flexible benefits package worth up to £500 per year for private healthcare, dental, family cover, tech & lifestyle discounts, gym memberships and more.
• Flexible hours with hybrid working options; part‑time opportunities may be discussed.