Principal Process Engineer - London

Early-stage, $50M-backed hardware startup (50 people, 90% engineering) building modular systems that turn CO2 and water into synthetic fuel — direct air capture, electrolysis, and reactor synthesis, all in one integrated plant. Backed by world-class investors including the Collisons.
Own process engineering end-to-end: novel architecture design through construction and commissioning. You'll lead HAZOP/FMEA process safety at multi-megawatt scale and shape the design philosophy as the company scales 1000x over the next two years.
What we need:

• Designed, built, and commissioned first- of- a- kind process plants
• Experience with HAZOP, FMEA, and process safety leadership
• End- to- end process design from concept through deployment
• Experience with gas processing, electrolysis, or carbon capture systems
• Background at a hardware startup or fast-paced novel-tech company
• Chemical engineering degree (BEng/MEng)

What's on offer:

• £100-120K base + significant equity + £6K/year location allowance
• Private health insurance, unlimited time off
• Relocation bonus + visa sponsorship for international hires
• On-site, South London

Flat structure, solo founder, real ownership — early team members here are running whole departments within months.
Sound like you? Apply or DM.