Mechanical Engineer

About us Rivan Industries is a synthetic fuel company decarbonising heavy industry. We’re making synthetic fuel cheaper than fossil fuels, sustaining life on earth by keeping the CO2 locked underground. Engineering at Rivan is about taking technologies that are conventionally treated as low volume, bespoke, and expensive, and rethinking them completely to be mass manufactured, standardised, and ultra low cost. Every design aspect must be re-reasoned from first principles, every part’s existence questioned, and every manufacturing step scrutinised. We’re looking for a talented Mechanical Engineer to own one of our sub-systems to drive that forward, tasked with uncovering new ways of thinking about our system integration, performance, longevity, and manufacturability. If you thrive on a lot of responsibility and tight deadlines, come and build! The role Own the design and manufacture of an entire Rivan sub-system. We practice our culture, everyone at Rivan has direct ownership of part of our system, regardless of seniority. We operate with minimal process and bureaucracy, only what is essential to ensure our systems are safe, legally compliant, and deployed on time, everything else is up to you. We expect you to: Own the concept generation, architecting and technical requirements of your systemDesign test-rigs to validate underlying hypothesis quickly and cheaplyOwn and iterate the design drawings with our fabrication workshopOwn the assembly, integration, commissioning and test plans of that sub-systemLiaise with external vendors to support our production line Core skills 1-2+ years professional experienceBachelor’s or Masters in mechanical/aero or related fieldSystem design experience including CAD (SolidWorks), design for manufacture/assembly, and part specification and procurementHands on workshop fabrication and build experience Preferable skills Fundamental thermofluids understanding, including pressure loss, heat and mass transferSimulation/analytical modelling competency (e.g. python, FEA, CFD)Test setup design, running of experiments, and data analysis Specifics £40-50k Salary depending on experienceSignificant share options as part of the early teamIn-person work at our HQ in Bermondsey, South-East LondonExtensive relocation support, including £6000 per year extra to live close to our HQHealth insuranceUnlimited time-off We encourage exceptional applicants from all backgrounds to apply for this role, even if they do not meet all the requirements listed. If you don't see a current role that fits, we also welcome open applications via our website. Apply at Rivan.com