Era4 develops, owns and operates AI infrastructure across the UK, powered by renewable energy. Converting legacy industrial and energy sites into modern data-centre facilities, Era4 is combining brownfield regeneration opportunities with cleaner, efficient, scalable compute capacity for healthcare, research, finance, enterprise, and public-sector organisations.

Role Summary:

In this hands-on operational engineering role, you will support the safe, reliable and efficient operation of critical site infrastructure. You will combine infrastructure monitoring, planned preventative maintenance support, contractor supervision, facilities management and operational compliance to help maintain high levels of availability across the site’s electrical, mechanical, cooling and life-safety systems.

Alongside routine engineering duties, you will act as the designated deputy for the Data Centre Facilities Lead during periods of absence. This includes providing operational site cover, coordinating approved contractors, maintaining site oversight and ensuring that technical, operational and safety-related issues are appropriately managed and escalated when required.

Key Responsibilities:

• Support the safe and reliable operation of critical electrical, mechanical, cooling and life-safety infrastructure.
• Carry out routine inspections, housekeeping and authorised maintenance activities across site assets.
• Support planned and reactive maintenance programmes, ensuring activities are completed, recorded and escalated where required.
• Monitor plant performance, alarms and site conditions, identifying and escalating operational risks.
• Coordinate contractors and service providers, ensuring compliance with site access, RAMS and safety procedures.
• Act as deputy to the Data Centre Facilities Lead, providing operational oversight and site support during periods of absence.
• Support incident response, emergency procedures and accurate site record keeping.
• Assist with closed-loop water treatment activities, including dosing, sampling, analysis and system maintenance following training and authorisation.

Essential Experience:

• Engineering, facilities or maintenance experience within a critical, industrial or high-availability environment.
• Working knowledge of electrical, mechanical, cooling or building services infrastructure.
• Experience supporting planned preventative maintenance (PPM) and contractor management activities.
• Understanding of safe systems of work, permits, RAMS and health & safety compliance.
• Ability to monitor plant performance, respond to operational issues and escalate risks appropriately.
• Strong organisational, communication and record-keeping skills.
• Ability to work independently and take ownership of site operations when required.

Why Era4:

You’ll be joining a mission-driven start-up building critical national infrastructure, where operational excellence directly enables growth. This role offers high visibility with leadership, real autonomy, and the chance to shape how a next-generation company operates at scale.

Diversity & Inclusion:

Era4 is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.