Senior Mechanical Engineer (£70k-90k + Equity) at Rivan Industries - Synthetic Fuel Scale-up

This isn't a carbon credit play — it's a pure economics company. Rivan is building foundational technology for an entirely new industry, aiming to produce synthetic fuels cheaper than fossil alternatives. They've deployed the UK's largest synthetic fuel plant and are planning to 1000x this scale in the next two years, with planning permission for what will be Europe's largest synthetic fuel plant.

Culture: Rivan is a fast-paced, engineering-first company where speed, ownership, and creativity are paramount. They run extremely lean on non-engineering functions (~90% of the team is engineering), and everyone — even the most senior people — remains hands-on as individual contributors. People have joined at mid-level and been promoted twice within months simply because they demonstrated the capacity to own entire subsystems. There's complete creative freedom, a flat structure under a solo founder, and the expectation that early team members will own entire departments and shape the future of the company.

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