Senior Mechanical Engineer at Rivan Industries — Synthetic Fuel Scale-up

You will own the end-to-end design and manufacture of a critical Rivan sub-system, such as a reactor or electrolyser. This role involves rethinking conventional high-cost hardware from first principles to enable mass manufacturing. You'll drive everything from initial concept and CAD modeling to hands-on workshop fabrication, testing, and vendor management.

• Lead concept generation, architecting, and technical requirements capture for next-generation synthetic fuel plant modules using SolidWorks.
• Design and commission bespoke test-rigs to rapidly validate underlying thermofluid hypotheses and iterate on hardware performance.
• Manage the entire production lifecycle, from generating fabrication drawings to hands-on assembly and integration within the onsite workshop.

• 5+ years of professional experience in mechanical or aerospace engineering with a proven track record of designing and building complex systems.
• Advanced competency in first-principles engineering, including thermofluids (heat/mass transfer), FEA, CFD, and analytical modeling using Python.
• Extensive hands-on workshop experience with a DFM/DFA mindset, capable of bridging the gap between digital CAD design and physical hardware fabrication.

• Full ownership of a major hardware module (Reactor, Electrolyser, or DAC) with the freedom to challenge every design assumption and manufacturing step.
• Join an elite seed-stage team of ~20 engineers from Imperial, Cambridge, and high-performance backgrounds like rocketry and motorsports.
• Exceptional relocation and local living support, including an extra £6,000 per year specifically to help you live close to the Bermondsey HQ.