Site Engineer II (Day)

Digital Realty; Greater London; On-site; GBP 45,000 - 65,000; Full time

Job summary

Digital Realty is seeking a Site Engineer II to support data centre infrastructure, performing maintenance, testing and surveillance of critical electrical and mechanical systems. The role includes on‑call duties, coordinating with subcontractors, and delivering SLA‑driven uptime.

You will lead Site Engineers I, develop procedures, and drive improvements in safety and reliability while maintaining client satisfaction in a demanding data centre environment.

Qualifications

• Experience in mission critical operations and maintenance of large scale electrotechnical and/or Electrical and Mechanical systems.
• HVAC Mechanical and/or Electrical.
• Proficiency in MS Office (Excel, Word, Outlook).
• Able to work in shifts.
• Technical education in a field related to mission critical operations.
• Experience with high/low voltage power distribution, chillers, pumps, and BMS systems.

Responsibilities

• Drive adherence to safety policies, operational efficiency, and core values.
• Ensure compliance with industry standards and legal requirements.
• Manage maintenance and repair operations, including coordination with subcontractors.
• Perform on-call duties and manage incidents as necessary.
• Document progress, issues, and results, and implement improvement measures.
• Provide supervision to Site Engineers I, including task assignment and performance evaluation.
• Demonstrate advanced proficiency in troubleshooting and maintenance tasks.
• Write and review operating procedures and plan critical maintenance/change requests.

Skills

Mission critical operations

HVAC systems

Electrical systems

BMS monitoring

Excel

Word

Outlook

Shift work

Communication

Attention to detail

Customer focus

Hands-on mentality

Stress resilience

Education

Vocational/technical education

Site engineering experience

Tools

Excel

Word

Outlook

Job description

Job Description

The Site Engineer II (day role) core responsibility is to perform infrastructure related activities in our Data Centres to ensure a reliable and efficient operation of the critical electrical and mechanical infrastructure. This is achieved through maintenance, testing and surveillance of all assets installed. This role is responsible for trouble shooting, assembly and day to day scheduling of maintenance tasks. It is also critical to meet Service Level Agreements (SLA’s) and deliver client satisfaction.

What You’ll Do

• Drive adherence to company safety policies, operational efficiency, and core values.
• Ensure compliance with industry standards and legal requirements.
• Manage maintenance and repair operations, including coordination with subcontractors.
• Perform on‑call duties and manage incidents as necessary.
• Document progress, issues, and results, and implement improvement measures.
• Provide supervision to Site Engineers I, including task assignment, performance evaluation, and professional development guidance.
• Demonstrate advanced proficiency in technical skills pertinent to the role, covering troubleshooting and maintenance tasks.
• Responsible for writing and reviewing of operating procedures and assisting with the planning of critical maintenance / change requests

What You’ll Need

• Experience in ‘Mission critical’ operations and maintenance of large scale electrotechnical and/or Electrical and Mechanical systems Technical education / training certification in the field of ‘Mission Critical’ Operations.
• HVAC Mechanical and/or Electrical.
• A good level of computer literacy, specifically in Excel, Word, Outlook etc.
• Able to work in shifts.
• Education to a vocational level in a technical field and/or site engineering position.
• Skilled in maintenance of electrotechnical and/or Electrical and Mechanical systems common to data centers, including but not limited to:
• High and Low Voltage Power Distribution (Switchgear, Transformers, UPS systems, Generators)
• Cooling Systems (Chillers, CRAC/CRAH units, Cooling Towers, Pumps, Piping)
• Building Management Systems (BMS) for monitoring and control of electrical and mechanical infrastructure.
• Preferably skilled in electrical switching and isolation procedures in a critical environment.
• Novice in maintaining mechanical systems.
• Pro‑active with a Customer and Business focused and is searching for ways to enhance the agreed services to provide the customer with the best possible outcome.
• Has attention to detail and having a ‘Hands‑on’ mentality.
• Is stress resilient.
• Good communication skills.

About Us

A bit about us

Digital Realty brings companies and data together by delivering the full spectrum of data center, colocation and interconnection solutions. PlatformDIGITAL, the company’s global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx) solution methodology for powering innovation and efficiently managing Data Gravity challenges. Digital Realty gives its customers access to the connected data communities that matter to them with a global data center footprint of 300+ facilities in 50+ metros across 25+ countries on six continents.

What We Can Offer You

Our rapidly evolving business sector offers the opportunity to be part of a courageous and passionate team who work together to understand and meet the changing needs of our global customers.

Join us and you’ll be part of a supportive and inclusive environment where you can bring your whole self to work. As part of our team, you’ll get to work with people from different business areas, challenge the way we do things and put your ideas into action. We’ll also give you plenty of development opportunities so you can build a rewarding and successful career with us.

Training and Development

Join our Data Center Operations team and gain the support to succeed from day one. Our onboarding program prepares you to contribute meaningfully right away, with clear career pathways and continuous training to fuel your long‑term growth. From onboarding to specialized development, we equip you with the skills and opportunities to make a lasting impact in operations.

Safely Powering Progress

Safety isn't just a priority here at Digital; it's critical to everything we do. Safeguarding lives, protecting assets, and securing data aren't just ideals - they're essential pillars of our commitment to excellence for our people, our partners and our customers. We have a culture of care where every member of Team Digital embraces a relentless pursuit of working safely across Digital Realty. Together we are Safely Powering Progress.

Our Compensation Philosophy

Digital Realty offers its employees a highly competitive compensation package, excellent benefits, and an environment that recognizes and rewards your contributions. Central to our compensation philosophy is rewarding our employees for achieving the values and objectives aligned to the company's overall goals and values.