Senior Mechanical Engineer Salary: £70,000–£85,000 + share options and benefits Contract: Full-time, permanent, on site (UK) The role Echelon Engineers is recruiting on behalf of a client for a Senior Mechanical Engineer. You’ll be the mechanical Technical Authority, reviewing and signing off calculations and designs for high-pressure vessels and systems. It’s hands-on: CAD, FEA/CFD, and time on the fabrication floor taking equipment through build, testing and commissioning. You’ll also mentor a Mechanical Design Engineer. You’ll need * 10+ years’ mechanical engineering experience, including high-pressure vessels and systems * Degree in Mechanical Engineering or related discipline * Experience as a technical lead or Technical Authority * Strong knowledge of PED, ASME VIII and UK pressure-systems regulations * SolidWorks, plus FEA/CFD (ANSYS or similar) * Experience working with fabricators and coded welders, including NDT and pressure testing * A systems engineering approach and sound safety judgement Nice to have: CEng (IMechE), piping/pipe stress, high-temperature or supercritical applications, pilot plant or first-of-a-kind experience. Benefits Share options, flexible hours, private health insurance, EV salary sacrifice, 33 days’ leave plus your birthday off, 5% pension, and company e-bikes. Must have the right to work in the UK; no sponsorship available. Interested? Apply now or contact Echelon Engineers for a confidential chat