Data Center Critical Facilities Engineer (Day Shift)

NTT Ltd.; Greater London; On-site; GBP 32,000 - 52,000; Full time

Job summary

NTT Ltd. is seeking a Critical Facilities Maintenance Day Engineer (Mechanical or Electrical) for our LON1 site in Dagenham. You will plan, manage and deliver facilities maintenance to ensure Data Center operations remain at peak performance Monday to Friday.

You will diagnose faults, monitor BMS alarms, coordinate with vendors, and maintain documentation. The role requires NVQ3 or equivalent, 2–5 years in data centers, and strong communication and problem-solving skills.

Qualifications

• NVQ Level 3 or equivalent in electrical, mechanical or building services, or recognized apprenticeship.
• Minimum 2–5 years of trade experience in a data centre or critical environment.
• Proficiency with Word, Excel and Outlook.
• Strong knowledge of electrical and mechanical systems including generators, switchgear, chillers and HVAC.
• Experience in creating SOP/EOP documentation and related processes.
• Experience in working safely within business-critical environments.

Responsibilities

• Plan, manage and deliver facilities maintenance services to data centers to meet high operational standards.
• Provide preventative and reactive maintenance aligning with SLAs and PPM schedules.
• Monitor BMS/SCADA systems and diagnose faults to identify root causes.
• Assist incident management and technical investigations for RCA.
• Support shift engineering teams in critical service operations.
• Maintain accurate logs, reports and system documentation.
• Coordinate with third-party vendors and contractors while ensuring safety compliance.

Skills

Facilities maintenance experience

BMS/SCADA monitoring knowledge

Root-cause analysis

Documentation (SOP/EOP)

Vendor coordination

Effective communication

Organizational skills

Willingness to learn

Education

NVQ Level 3 or equivalent (Electrical/Mechanical/Building Services)

IOSH Managing Safety

Legionella awareness

IPAF/PASMA

Tools

MS Word

MS Excel

Outlook

Job description

NTT Ltd. is seeking a Critical Facilities Maintenance Day Engineer (Mechanical or Electrical) for our LON1 site in Dagenham. You will plan, manage and deliver facilities maintenance to ensure Data Center operations remain at peak performance Monday to Friday.

You will diagnose faults, monitor BMS alarms, coordinate with vendors, and maintain documentation. The role requires NVQ3 or equivalent, 2–5 years in data centers, and strong communication and problem-solving skills.