Data Centre Facilities Engineer

ONNEC Group are a leading independent technology partner and global integrator, with over 30 years experience, and a 800+ team of global experts, specialising in providing end-to-end connectivity solutions that propel organisations everywhere.

From structured cabling to managed services, our end-to-end services give infrastructure that can be completely replied on. Design. Build. Deploy. Optimise. We offer a complete solution for business connectivity.

We are a rapidly growing organisation and finding and retaining the highest calibre of people is fundamental to us for the success of our business, we work hard to create a challenging, supportive and satisfying working environment for all our employees. ONNEC has successfully achieved the Investors in Diversity Foundational Award for our commitment to equality, diversity and inclusion in the workplace.

We are recruiting for a Data Centre Facilities Engineer to support a prestigiousbanking client across its UK data centre sites. This is a highly visible operational role responsible for maintaining data centre standards, managing infrastructure changes, supporting capacity planning, and ensuring critical facilities run efficiently and safely.

Working closely with the client's Facilities Operations team, you will play a key role in day-to-day data centre operations, supporting BAU activities while contributing to service improvements, compliance, and operational excellence.

The successful candidate will join an established team responsible for managing white space, capacity, asset control, infrastructure moves, and data centre governance across multiple critical sites.

This role supports multiple customer sites and will require regular travel between data centre locations across the UK. Flexibility is essential, including participation in callout rotas, weekend activities and occasional out-of-hours support requirements.

What you'll be doing as our Data Centre Facilities Engineer:

• Manage data centre white space and coordinate all equipment moves, adds and changes.
• Maintain accurate rack, space, power and asset records using DCIM tools such as Nlyte.
• Support data hall planning including power, cooling and capacity management.
• Coordinate hardware installations with internal teams and third-party vendors.
• Monitor incidents, risks and operational issues, escalating where required.
• Conduct regular data centre audits, quality checks and compliance reviews.
• Manage asset inventories, equipment placement and decommissioning activities.
• Support disk destruction and secure disposal processes.
• Review and approve data centre access requests through ServiceNow.
• Perform regular data centre inspections to identify health & safety, housekeeping or operational concerns.
• Support application administration activities, including upgrades, testing and user support.
• Assist with troubleshooting and technical problem resolution.
• Participate in weekend works, maintenance activities and planned shutdowns when required.
• Provide emergency support and callout cover as part of an extended support rota.
• Drive continuous improvement initiatives alongside ONNEC and client stakeholders.

What we're looking for in our Data Centre Facilities Engineer:

• Relevant experience working within a Data Centre environment.
• Previous experience supporting Data Centre operations within a banking or critical environment.
• Strong understanding of change management and service delivery processes.
• Experience managing IT hardware deployments and infrastructure moves.
• Knowledge of structured cabling standards, copper and fibre infrastructure.
• Experience using asset management, ticketing and workflow management systems.
• Strong Microsoft Office skills, including Outlook, Excel and Word.
• Excellent organisational and prioritisation skills.
• Ability to work independently and as part of a wider operational team.
• Strong attention to detail and a proactive approach to problem solving.
• CDCTP or CDCMP certifications.
• Information Technology related qualifications.