Data Centre Supervisor

Onnec; Harlow; On-site; GBP 34,000 - 43,000; Full time

Job summary

ONNEC Group is seeking a Data Centre Supervisor to lead MAC and BAU activities across data centre and campus environments, ensuring high availability and service excellence.

You will coordinate with internal teams, clients and third-party vendors, supervise cabling and equipment handling, manage workload and ensure compliance with health and safety and client processes in a 24/7 environment.

Qualifications

• Experience in Data Centre MAC (Moves, Adds & Changes) environments.
• Extensive cabling installation, testing and fault finding experience.
• Strong knowledge of copper and fibre cabling standards and data centre infrastructure.
• Proven asset management and ticketing process experience.
• Ability to supervise shift activities and support project delivery from design to handover.
• Experience managing third-party vendors in large-scale environments.
• Excellent organisational and problem-solving skills.
• Ability to work under pressure in a 24/7 environment.
• Strong communication skills for independent and team work.

Responsibilities

• Deliver MAC and BAU activities across data centre and campus environments.
• Support planning, scheduling and execution of works to meet client requirements.
• Monitor and ensure SLA performance, escalating risks and issues.
• Coordinate with internal teams, clients and third-party vendors to maintain service excellence.
• Supervise cabling, installation, decommissioning and equipment handling within data centres.
• Manage workload allocation, resource planning and shift coverage.
• Maintain compliance with health & safety, quality standards and client processes.
• Support incident management, troubleshooting and first-line technical support activities.
• Maintain accurate documentation, reporting and asset tracking systems.
• Participate in operational, client and team meetings and contribute to ongoing service improvements.

Skills

MAC environment experience

Structured cabling installation

Asset management

Ticketing systems

Service delivery processes

Shift supervision

Vendor management

Organisational skills

Communication skills

Work under pressure

Team collaboration

Tools

Ticketing systems

Asset tracking systems

Documentation tools

Job description

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.

The Data Centre Supervisor plays a key role in delivering IT cabling infrastructure support services across client data centre environments. The role is site‑based and responsible for ensuring the successful delivery of Moves, Adds & Changes (MAC) activities and Business‑as‑usual (BAU) operations, while supporting efficient day‑to‑day service delivery and operational improvements.

Working closely with the Data Centre Manager, Service Delivery Manager and client stakeholders, the role contributes to planning, execution, and continuous improvement of operational processes in a high‑availability, 24/7 environment.

TRAVEL - Occasional travel to another site in Watford may be required

What you’ll be doing as our Data Centre Supervisor:

• Deliver MAC and BAU activities across data centre and campus environments
• Support planning, scheduling and execution of works to meet client requirements
• Monitor and ensure SLA performance, escalating risks and issues where required
• Coordinate with internal teams, clients and third‑party vendors to maintain service excellence
• Supervise cabling, installation, decommissioning and equipment handling activities within data centres
• Manage workload allocation, resource planning and shift coverage
• Maintain compliance with health & safety, quality standards and client processes
• Support incident management, troubleshooting and first‑line technical support activities
• Maintain accurate documentation, reporting and asset tracking systems
• Participate in operational, client and team meetings and contribute to ongoing service improvements

What we’re looking for in our Data Centre Supervisor:

Essential

• Relevant experience in a Data Centre MAC (Moves, Adds & Changes) environment
• Extensive experience in structured cabling installation, testing and fault finding
• Strong knowledge of cabling standards (copper & fibre) and data centre infrastructure
• Proven experience in asset management, ticketing systems and service delivery processes
• Ability to supervise shift activities and support project delivery from design through to handover
• Experience managing third‑party vendors and working in large‑scale, operational environments
• Strong organisational, prioritisation and problem‑solving skills
• Ability to work under pressure within a 24/7 operational environment
• Excellent communication skills with the ability to work independently and as part of a team

Preferred

• Industry certifications (e.g. CompTIA Server+, Network+, CCNA, ITIL)
• Data Centre or cabling certifications (e.g. BICSI, CDCTP, CDCMP)
• Previous experience within banking or enterprise data centre environments