Senior Mechanical Engineer

5 days ago

Greater Northampton Area, United Kingdom RANHEAT ENGINEERING LIMITED Full time £35,000 - £52,500 per year

Senior Mechanical Engineer

Location: UK (with site visits as required)

Salary: £35,000 to £52,000

Are you a mechanical engineer who thrives on variety, hands-on design, and complex assemblies? At Ranheat Engineering, we're a forward-looking SME specialising in industrial biomass boilers, conveyor systems and sheet-metal fabrication. We believe our 3D-scan + 3D-model approach gives us a world-leading edge in our sector.

We're looking for a
Senior Mechanical Engineer
to join our design team. In this hybrid role you'll:

  • Design sheet-metal fabrications, boilers, combustion chambers, conveyor systems and silos.
  • Adapt our existing 3D CAD assemblies for individual client layouts – including on-site surveying and modification.
  • Use your mechanical engineering background and sound understanding of thermodynamics to optimise performance (particularly for biomass boilers/dust extraction systems).
  • Work in Autodesk Inventor (primary) and AutoCAD (legacy drawings) to create detailed models and drawings for manufacture.
  • Collaborate with manufacturing and installation teams to ensure accurate delivery, ease of install and full system integration.
  • Occasionally visit client sites for surveys, commissioning and system adaptations.
  • Ideally contribute to automation / industrial control panel design (not essential, but a plus).
  • Join a dynamic SME environment where your role remains varied, impactful and visible across the business.

What we're looking for:

  • A degree (or master's) in Mechanical Engineering (or equivalent).
  • At least
    2 years' relevant experience
    in mechanical design (sheet-metal design/fabrication a strong advantage).
  • Good working knowledge of thermodynamics and mechanical system performance.
  • Proven CAD skills – preferably Autodesk Inventor and AutoCAD.
  • Must be comfortable working in a mixed role: product-development (refining our standard designs) and project-based (customising for each client).
  • Willingness to go on-site for surveys and commissioning.
  • Interest in industrial automation and control systems (we'll train the specifics).
  • A self-starter mindset, ready to work in a smaller company environment where roles overlap and flexibility is key.

Why join Ranheat?

  • You'll work in an industry-leading niche: converting wood waste into energy, designing for real sustainability.
  • A varied role – one day you're refining a boiler design, next you're adapting a conveyor layout and liaising with a client.
  • A collaborative, motivated team where each person's work is visible and valued.
  • Opportunity to grow your skills – fabrication, site visits, 3D-scan modelling, system commissioning.
  • The chance to make a real difference in a growing engineering business rather than being a small cog in a large corporation.

If you're ready to step into a senior role where you can genuinely contribute, work across the design/manufacture/install chain, and enjoy the variety and challenge of an SME environment, we'd love to hear from you. Please send your CV and a short covering note explaining your experience with sheet-metal design, thermodynamics applications, CAD (Inventor/AutoCAD) and any automation/industrial control exposure.

Candidate with ~2 years' experience:
£35,000-£45,000

Candidate with ~4 years' experience:
£45,000-£52,000

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