Principal Process Engineer

Do you want to work on the end-to-end design of one of the most innovative process systems on Earth, where you deploy 1 system a week, not 1 system a decade like most incumbents?

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. Here’s our entire business plan.

There is no boilerplate engineering in this system; only the most innovative, problem‑solving engineers can thrive on this challenge. We practice our culture, working in small teams, expecting complete ownership and ground‑up reasoning from our engineers, whilst executing  will report directly to the Senior Leadership Team.

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.

The role encompasses the full development cycle across any of our modules, be it reactor, electrolyser, or DAC, but can be tailored to the specialist skillset of the applicant. We need you to:

• Ideate novel architectures and system integrations with the Rivan mindset
• Bring these to life from concept to deployment
• Own process safety across our system
• Own the construction and commissioning of our system

• 10+ years of professional experience
• Bachelor’s or Master’s in chemical engineering or related field
• Experience designing, building, commissioning and operating deployed process plants

• £100 - 120k Salary depending on experience
• Significant share options as part of the early team
• In‑person work at our HQ in Bermondsey, South London – flexibility considered based on personal circumstances
• Extensive relocation support, including £6000 per year extra to live close to our HQ
• Private health insurance
• Unlimited 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.