Senior Mechanical Design Engineer

Bolt Technical are hiring for an established and fast‑growing designer and manufacturer of electronic components.

Due to continued expansion and increased project demand, the company is seeking a Senior Mechanical Design Engineer to join their highly skilled engineering team. This is a varied, hands‑on role with full lifecycle ownership, multiple concurrent projects, and the opportunity to work on innovative products used globally Modern mission‑critical environments.

This position is ideal for an organised, experienced Mechanical Design Engineer who thrives in a structured environment, enjoys technical challenges, and wants to contribute to cutting‑edge engineering projects.

• Lead the design, development, and testing of electro‑mechanical products
• Take ownership of multiple concurrent mechanical design projects with tight deadlines
• Produce 3D designs in Solid Works and detailed drawings to BS 8888
• Prepare product specifications, test reports, and technical documentationୋ
• Conduct fault analysis and lead technical investigations
• Support and mentor junior engineers within the team
• Execute engineering changes related to cost reduction, obsolescence, and improvements
• Work closely with production engineering teams on build issues and process enhancements
• Assist with verification activities, including environmental testing
• Perform design checks and design reviews to ensure engineering quality
• Collaborate cross‑functionally with electronics hardware, software, and manufacturing teams

• Degree in Mechanical Engineering or a related discipline
• Background in a product‑led manufacturing industry, ideally involving HMI, control interfaces, or electromechanical proph. products designed for volume production
• Minimum of 5 years experience in a mechanical design engineering role
• Proficient user of Solid Works
• Strong understanding of manufacturing processes, including injection moulding and CNC machining
• Proven ability to manage multiple projects concurrently and meet deadlines
• Comfortable working within a structured environment with defined processes and procedures
• Experience interfacing with customers and suppliers
• Excellent organisational, documentation, and communication skills
• Able to work independently, taking full ownership of projects from concept to delivery
• MRP experience
• Project leadership or project management ability
• Knowledge of IEC/MIL/DO‑160 standards
• Experience with environmental testing for marine or aerospace products

• 45k-£50k salary
• 25 days holiday
• On‑site role with a supportive, well‑structured engineering environment
• Exposure to varied and technically interesting projects across multiple sectors
• Strong team culture, collaborative environment, and clear engineering processes
• Career progression opportunities within a growing organisation
• Occasional company social events and a friendly, close‑knit team

Senior Mechanical Design Engineer
• London, United Kingdom