Job Title: Senior Mechanical Design Engineer – Thermal
Location: Colchester
Salary: £60,000 to £70,000
Employment Type: Permanent
Working Arrangements: Hybrid working
Were supporting a long-established technology company in Colchester as they continue to expand their engineering capability. They design and manufacture high-performance electronic systems for defence, aerospace and industrial environments, and due to a strong order book, theyre looking to add a Senior Thermal Mechanical Engineer to the team.
This is a hands-on, end-to-end role where youll own thermal performance across complex electromechanical products – from requirements review through to prototype build, test and production support.
What youll be doing
- Reviewing requirements and contributing to early system architecture discussions.
- Creating initial conceptual mechanical designs.
- Running detailed structural and thermal analysis (SolidWorks + Flow Simulation preferred).
- Presenting work at preliminary and critical design reviews.
- Managing projects independently while collaborating with PMs, hardware, software and manufacturing teams.
- Investigating production issues, quality problems and root causes under time pressure.
- Building, testing and debugging prototypes in the lab.
- Designing jigs, fixtures and producing assembly drawings with correct GD&T.
- Supporting new product introduction and exploring new thermal technologies (heat pipes, vapour chambers, advanced TIMs).
What youll bring
- Strong understanding of thermal principles in electronics.
- Practical, hands-on industry experience – typically around 5-10 years.
- Proven experience with SolidWorks
- Ability to work dynamically, independently and think creatively.
- Comfortable engaging with suppliers, project managers and cross-functional teams.
- Strong problem-solving mindset someone who doesnt sit on problems and enjoys time in the lab.
This role requires the successful candidate to pass BPSS screening and meet the eligibility criteria for Security Check (SC) clearance.
For more information, please contact Cathy Swain.
T: (phone number removed)
E: (url removed)
Salary: £60000 – £70000/annum
Job Type: Permanent
Location: Colchester
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Senior Mechanical Design Engineer – Thermal – Full Time – Mile End in Colchester employer: Catering
Join a thriving manufacturing team in Ossett, where your skills as an Assembly Operative will be valued and rewarded. With a competitive salary of £13.00 per hour and opportunities for overtime, you will benefit from a supportive work culture that prioritises employee growth and development. This role not only offers job security with a permanent position after three months but also the chance to work with a variety of tools in a dynamic environment, making it an excellent choice for those seeking meaningful employment.
