We’re recruiting

Yolk Battery is hiring its first two engineers. Both roles are full-time and based in Guildford, Surrey, initially for a 9 month contract. Applications close 23rd October 2026.

• Reactor and Process Engineer

  You own the catalyst bed, the CO₂ loop and the rest of the plant around the cells, and you build and run the rigs that produce our data.

  Starts 1 December 2026

  Job description (PDF)

• Cell and Stack Engineer

  You own the cells and stacks, and you turn the test data into a design.

  Starts 1 January 2027

  Job description (PDF)