Senior Mechanical Design Engineer
Location: Cambridge (hybrid working available)Salary: up to £65,000 + benefits
An exciting opportunity has arisen for a Senior Mechanical Design Engineer to join a growing engineering team working on cutting‑edge RF and microwave technologies. You will play a key role in developing innovative, high‑frequency products from initial concept through to volume production, supporting applications across telecommunications, aerospace, defence and space sectors. This is a senior‑level position offering the chance to take ownership of complex engineering challenges, contribute to advanced product development, and influence best practice within a collaborative, multidisciplinary environment.
Key Responsibilities
- Lead the design of precision mechanical components and assemblies, including enclosures, heatsinks and waveguide structures.
- Develop lightweight, thermally efficient and robust mechanical architectures.
- Produce and review detailed 3D CAD models and engineering drawings in SolidWorks.
- Ensure compliance with RF, thermal, environmental and mechanical requirements (including EMI, vibration and shock).
- Select appropriate materials, finishes and manufacturing processes.
- Conduct or support thermal and structural analysis (FEA/CFD), validate designs through testing and simulation correlation, and assess performance under demanding environmental conditions.
- Work closely with RF, electronics and systems teams to optimise product performance, contribute to design reviews and technical decision‑making, and provide mentorship and guidance to less experienced engineers.
- Drive design for manufacture, assembly and cost optimisation; support prototype builds, testing and production readiness; manage engineering documentation, drawings and change processes (ECO/ECN); liaise with suppliers and production teams to resolve technical issues.
- Oversee prototype development and environmental testing activities, capture lessons learned to enhance future product designs, and support qualification and reliability programmes.
About You
Essential
- Degree in Mechanical Engineering (or equivalent).
- Extensive experience in mechanical design within high‑reliability or technically demanding industries.
- Strong proficiency in SolidWorks (2D & 3D CAD).
- Experience designing precision assemblies for constrained environments.
- Solid understanding of materials, manufacturing processes and GD&T.
- Knowledge of EMI shielding, PCB integration and thermal management.
- Ability to lead technical discussions and collaborate across teams.
Desirable
- Experience in RF, microwave, aerospace, defence or space‑related engineering.
- Familiarity with thermal/FEA simulation tools (e.g., SolidWorks Simulation/Flow).
- Understanding of waveguides, amplifiers and high‑frequency systems.
- Experience with high‑reliability standards (MIL‑STD, ECSS).
- Exposure to environmental testing (vibration, thermal cycling, vacuum).
Personal Attributes
- Strong problem‑solving skills and attention to detail.
- Proactive, hands‑on and self‑motivated.
- Confident communicator across technical and non‑technical teams.
- Ability to manage multiple projects and priorities.
- Collaborative mindset with a strong customer focus.
- Comfortable taking ownership and driving engineering decisions.
Additional Information
- Candidates must be eligible to obtain relevant security clearance.
- Opportunity to work on advanced, high‑impact engineering programmes.
- Supportive environment with opportunities for professional growth.
If you’re an experienced mechanical engineer looking to work on cutting‑edge technology in a high‑performance engineering environment, this role offers an excellent opportunity to advance your career.
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