Data Centre Engineer - Watford

Onnec; Watford; Hybrid; GBP 35,000 - 50,000; Full time

Job summary

ONNEC is seeking a multi skilled Data Centre Engineer in Watford to join a small team delivering Data Centre services for an international financial organisation. You will handle 24x7 shifts, changes, incidents and asset management within strict DC standards.

The role requires experience in high‑risk Data Centre environments, familiarity with DCIM tools, and strong communication and documentation skills. A proactive team player who can work under pressure is essential.

Qualifications

• Experience of working in high‑risk environments, especially Data Centres.
• Strong understanding of infrastructure technologies and networking basics.
• Experience with ticketing systems such as ServiceNow or Remedy is desirable.
• Ability to communicate clearly at all levels and document processes.

Responsibilities

• Maintain and govern the Data Centre operational environment and DC toolsets.
• Coordinate with facilities providers to optimize energy efficiency and uptime.
• Manage changes, incidents and asset tracking within defined SLAs.
• Supervise third‑party vendors and ensure compliance with health, safety, and quality standards.
• Execute hardware installations, decommissions, and routine maintenance per DC standards.

Skills

Attention to detail

Work under pressure

Clear communication

Team player

Initiative

Flexible shifts

Networking concepts

MS Office

Helpdesk skills

Tools

ServiceNow

Remedy

DCIM tools

Job description

• Location: Watford, Hertfordshire, United Kingdom

ONNEC builds, supports and optimises the IT infrastructure, networks and connectivity which drive global business performance.

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 seeking a multi skilled Data Centre engineer. You will be working as part of a small team providing Data Centre services to a prestigious International Financial organisation.

Responsibilities of our Data Centre Engineer will include:

• Working a 24x7x365 shift pattern of 4 days on 4 days off, 4 nights on 4 nights off
• Change control management
• Incident management and resolution
• Management and tracking of Assets
• Supervision and escorting of 3rd Party Vendors
• Planning and implementation of all IT hardware installations adhering to strict Data Centre Standards.
• Planning and decommission of network hardware and structured cabling
• Updating all relevant documentation and inventories
• Completing all service requests, within the agreed SLA
• Compliance with ONNEC’s and Client Health & Safety procedures
• Compliance with Manufacturers, ONNEC’s and Clients Quality Standards
• Compliance to Clients and Support Services approved processes
• Ensure security procedures with reference to Data Centres are complied with.

Task Description:

• Maintenance of Data Centre toolsets that assist with support and management
• Management and governance over the DC
• Work closely with our facilities providers to maximise energy efficiency savings
• Successful day to day running of the Data Centre, including installations, decommissions, changes and maintenance
• Basic configuration of server (IDRAC, ILO)
• Fault finding and escalation
• Racking, stacking, moves, changes, decommissioning , patching
• Data Centre related major infrastructure projects including power outages and replacements
• Managing complex inter-rack/room cable infrastructure, providing a stable platform for IT infrastructure and desktop connectivity

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

• Experience of working in high-risk environments and Data Centres
• Knowledge of DCIM tools and standards (desirable)
• Experience of ServiceNow, Remedy or other ticketing system (desirable)
• Attention to detail and proactive
• Sound Knowledge of Infrastructure Technologies & Networking Concepts
• Competent in MS Office and Helpdesk/Service Delivery Applications
• A reliable individual and team player
• The ability to work under pressure
• Able to work on own initiative and unsupervised
• A flexible approach to shift patterns
• The ability to communicate clearly both written & verbally, at all levels
• Strong organisational, interpersonal, and administrative skills
• Applicants must have previous experience in a similar role