Critical Facilities Maintenance Shift Engineer HH4

NTT Global Data Centers EMEA UK Ltd.; Hemel Hempstead; On-site; GBP 52,000 - 70,000; Full time

Job summary

NTT Global Data Centers is seeking a Critical Facilities Maintenance Shift Engineer for our HH4 site in Hemel Hempstead. The role covers 12-hour continental shifts, 24/7 operations, and hands-on responsibility for delivering robust facilities maintenance across data centers.

You will supervise both in-house staff and external suppliers, ensure safety compliance, and manage plant records while supporting incident investigations and continual improvements to critical services.

Qualifications

• HND or similar in Mechanical, Electrical or Building Services.
• 17th Edition electrical qualification or equivalent.
• IOSH – Working Safely.
• Full UK driving license.

Responsibilities

• Plan and deliver facilities maintenance services for data centers to ensure high operational standards.
• Perform preventative and reactive maintenance on plant and equipment.
• Record and report maintenance activity accurately in the system.
• Lead and supervise shift engineering teams and external suppliers.
• Ensure compliance with safety, permit, and testing procedures including HV/LV switching.
• Contribute to root-cause analysis for incidents and implement improvements.
• Maintain accurate plant records and reporting systems.

Skills

Shift work experience

Electrical/MEP knowledge

HV switching

Data Centre operations

Education

HND or equivalent (Mechanical/Electrical/Building Services)

17th Edition electrical qualification

IOSH – Working Safely

Tools

BMS

LV/HV testing equipment

Job description

Make an impact at NTT Global Data Centers Join NTT Global Data Centers and be part of a team that drives innovation and sustainability in the digital world. With over 150 data centers across more than 20 countries globally, we offer unparalleled opportunities to work on cutting-edge technology and transformative projects. Experience a collaborative, innovative, and inclusive workplace where your ideas are valued, and your growth is supported.

Your role at a glance

The Critical Facilities Maintenance Shift Engineer, will plan, manage and implement the delivery of Facilities Maintenance services to our Data Centers ensuring operational performance is always maintained to the highest possible standards. You will provide engineering services and guidance in general on property matters affecting the on-going management and development of the Data Centers. As one of the Shift Engineers, you will be working a 12hr continental shift pattern. This is a full time site based role at our HH4 site in Hemel Hempstead.

What we are looking for

The Critical Facilities Maintenance Shift Engineer, will plan, manage and implement the delivery of Facilities Maintenance services to our Data Centers ensuring operational performance is always maintained to the highest possible standards. Provide engineering services and guidance in general on property matters affecting the on-going management and development of the Data Centers. As one of the Shift Engineers working a 12hr continental shift pattern over a 24/7 rota, you will have the following duties:

What will you do?

• Providing a customer focused service and a high standard of planned preventative and reactive maintenance
• Proactively involved in the on-going technical evaluation of all plant and equipment, suggestion of improvements where appropriate
• Accurately recording and reporting of maintenance activity to ensure Key Source System is correctly updated
• Carrying out operational and maintenance activities as directed, ensuring work is executed in a safe and suitable manner
• Working as directed to ensure timely completion of PPM’s and reactive work to SLA’s
• Identifying faults and accurately diagnosing root causes
• Monitoring and maintaining equipment performance to ensure correct operation of the critical services of the Data Centers
• Management of site permit process
• Being the High Voltage Authorised Person & all associated duties including Management of Inspection & Testing programme
• Management of Fire Procedures and fire response team
• Oversight of statutory compliance, including water treatment and closed systems
• Responsible for site inspections and audits
• Supervising all operational and maintenance activities, to ensure work is executed in a safe and suitable manner and complies with SLA’s
• Assisting with incident management and subsequent investigation to establish root cause
• Supporting the Shift Engineering Teams to ensure correct operation of the critical services of the Data Centers
• Supervising staff, both in-house and external suppliers to deliver a highly focused client service
• Co-ordinating planned and unplanned maintenance activities
• Ensuring the maintenance of accurate plant records, information and reporting systems
• Taking responsibility for ensuring services are delivered in accordance with site and best practice processes and procedures

What are we looking for?

• Previous shift working experience
• Experience in facilities, operations or engineering; in a Data Centre critical environment
• Working knowledge and understanding of engineering operations within Business-Critical Environments
• Creating and developing SOP and EOP documentation and other related/similar processes
• Excellent attention to detail
• Ability to discuss and understand technical problems and resolutions with engineering specialists.
• LV and HV switching experience
• Demonstrable experience in operating and fault finding complex and integrated M&E systems including (Transformers, LV, Generators, UPS, Electrical distribution, BMS, Air Conditioning, Fire suppression systems)
• 17th Edition certified or similar electrical qualification
• HND or similar in relevant area (Mechanical, Electrical, Building Services)
• IOSH – Working Safely
• Good understanding of Data Centre cooling solutions and building services
• Authorised person LV (HV Preferable)
• Membership/Affiliate of relevant institutes (IET, BIFM, CIBSE etc)
• F-GAS / J11 (an advantage)
• A/C experience would be advantageous
• Commitment to the delivery of excellent customer service
• A calm manner, able to work under pressure
• Good numerical and literacy skills and proficient IT skills
• Excellent organisational skills with the ability to prioritise
• Good analytical/ problem solving skills
• The ability to communicate effectively at all levels with good relationship building skills
• Self-motivated and keen to develop, with a willingness and desire to learn and keen to share knowledge with colleagues
• Full driving license valid for use in the UK
• To undergo full security checks to BS7858:2019 standard

Who we are

As the third largest data centre provider, we operate over 150 data centers in more than 20 countries and regions. We understand that every business – large and small – has its own unique needs and goals. We offer local-to-global data center expertise, aligned with our connected platform of AI-ready data centers to create solutions that enable our clients to seamlessly scale their digital businesses, anywhere and anytime. NTT Global Data Centers is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. By bringing together our global capabilities and local expertise, we help our clients achieve their goals, anywhere in the world. Together, we can accomplish the extraordinary and work to create a more sustainable world with rewarding benefits for everyone - clients, employees, investors, partners, and communities.