Overview
We're working with an ambitious and well-funded cleantech company based in West London, currently seeking a Senior Process Engineer to support the scale-up and commercialisation of their novel hydrogen technology. West London / Hybrid (3-4 days WFH).
The Role
As Senior Process Engineer, you'll be responsible for driving process engineering activities across a unique electrochemical platform. Working closely with the internal tech team, partners, and vendors, you'll lead the development and integration of systems operating under high-pressure and high-temperature conditions.
Key Responsibilities
* Lead and deliver process engineering design (PFDs, P&IDs, mass/energy balances)
* Develop specifications for equipment and instrumentation
* Perform detailed design calculations and process modelling
* Collaborate with subcontractors and partners to drive progress toward TRL6 by 2026 and pilot-scale delivery by 2027
* Support procurement, hazard/risk assessments, and safety-focused design
* Assist with lab-scale testing and contribute to scaling efforts
* Take part in bid writing and customer-facing proposal work
What They’re Looking For
* MSc (or higher) in Chemical/Process Engineering
* Experience working with high-pressure/high-temperature systems and flammable gases
* Proficiency in process modelling tools (e.g., Aspen, HYSYS, PRO II, or Unisim)
* Proven delivery of projects across the full lifecycle: feasibility through to operations
* Strong communication skills and a proactive, safety-first mindset
* Comfortable in a start-up environment with self-starting, problem-solving attitude
* Background in electrolysis, fuel cells, or hydrogen system design
* Experience working with supercritical water or oxygen systems
* Familiarity with thermal design tools (e.g., HTRI) and CFD
* Chartered status
* Equity participation through a tax-efficient share scheme
* 25 days holiday + public holidays (option to buy 5 more)
* Birthdays off & milestone celebrations
* Flexible working hours and location (including working abroad)
* Monthly team days & lunch outings
* 3 months full paid parental leave (maternity and paternity)
Seniority level
* Mid-Senior level
Employment type
* Full-time
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