Era4 is an ambitious UK start-up on a mission to help shape the country's AI future. We're transforming underused brownfield and former industrial sites into the digital infrastructure needed to power the next generation of technology.
We're at the beginning of an exciting journey, building a business that will help meet the UK's growing demand for AI infrastructure while bringing new investment and opportunities to the communities around us.
The opportunity:
We're looking for an energetic, highly organised and proactive Personal Assistant to support our Chief People Officer and our US-based Chief Technology Officer. You will play a central role in keeping two busy executives organised, anticipating what they need and making sure priorities, meetings and day-to-day activities run smoothly.
This is a varied and exciting role in a fast-moving, growing business. It will suit someone who thrives on pace and variety, thinks ahead, exercises sound judgement and takes a proactive approach to supporting senior executives. You'll be confident taking ownership, anticipating requirements and finding solutions, whether coordinating complex arrangements, responding to unexpected challenges or supporting the wider team.
What you'll be doing:
What you'll bring
Why join Era4?
Joining Era4 at such an early stage offers a unique opportunity to be part of an ambitious business as it grows and evolves.
This is a varied, fast-paced role with opportunities to take on a broad range of responsibilities as the business develops. For someone who brings energy, initiative and exceptional organisational skills, it's an exciting opportunity to make a real impact, build strong relationships across the business and become a valued part of the team.
Diversity & Inclusion
Era4 is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

Era4 delivers resilient, lower carbon, high-performance AI infrastructure. We are enabling the UK’s AI transformation by converting our brownfield sites into data centres for the new industrial era, creating ultra-fast AI capacity while supporting regeneration and bringing new investment into the communities around us.
Era4 is the new name of Carbon3.ai since 4 March 2026.