CEL Critical Power is a global leader in delivering advanced data centre and industrial power solutions. With over 40 years of innovation, CEL specializes in modular power systems, including Power Pods, Switchgear, PDU’s, RPPs and busway products, engineered to meet the highest international standards. Operating from over 400,000 sq. ft. of lean manufacturing facilities in the USA and Ireland, CEL partners with clients from the concept stage to deliver scalable, customized solutions that power the AI revolution and beyond. Their commitment to quality, innovation, and long-term partnerships makes them a trusted provider in critical infrastructure worldwide.

We are seeking an experienced and motivated Site Services Engineer to support the maintenance, servicing and development of LV and MV electrical switchgear systems and associated customer support operations.

The successful candidate will play a key role in delivering planned preventative maintenance (PPM), emergency call-out support, fault diagnosis, lifecycle replacement projects and assisting with business development activities across low and medium voltage electrical infrastructure.

This is a customer-facing technical role requiring strong electrical knowledge, excellent problem-solving skills and the ability to work independently across multiple client site.

Key Responsibilities:

Carry out routine maintenance and inspection of LV and MV electrical switchgear systems.
Perform planned preventative maintenance activities in line with customer contracts and company standards.
Conduct testing, servicing, and reporting on LV and MV distribution equipment.
Support production relay testing, breaker maintenance, insulation testing, and functional verification activities where applicable.
Ensure all work is completed safely and in compliance with relevant regulations, procedures, and switching controls.
Respond to customer breakdowns and emergency callouts when required.
Diagnose electrical and mechanical faults within LV and MV switchgear systems.
Identify root causes and implement effective corrective actions.
Provide technical support to customers during outage or fault conditions.
Support safe isolation, switching operations, and restoration of electrical systems where authorised.
Assist with project planning, site surveys, shutdown coordination, switching schedules, and commissioning activities.
Liaise with internal teams, subcontractors, and customers to ensure successful project delivery.
Maintain accurate technical documentation, test records, and service reports.
Build and maintain strong relationships with existing customers.
Identify opportunities for additional maintenance services, upgrades and replacement projects.
Represent the company professionally during customer meetings and site visits.

Qualified electrician or Electrical Engineering qualification
Experience working with LV and/or MV electrical switchgear systems.
Strong fault-finding and diagnostic skills across power distribution systems.
Experience carrying out electrical maintenance and PPM activities.
Ability to read and interpret electrical schematics, protection drawings, and technical documentation.
Familiarity with electrical isolation procedures and safe systems of work.
Full clean driving licence.
Strong communication and customer-facing skills.
Ability to work independently and manage site-based activities

Desirable:

Experience in critical environments such as data centres, pharmaceutical, industrial, utilities, or manufacturing facilities.
Knowledge of protection systems, transformers, power distribution, and busbar systems.
Experience supporting shutdowns, switching operations, and electrical projects

Why Join CEL Critical Power?

Join a Trusted Industry Leader – 42 Years of Excellence
CEL has been delivering high-quality, bespoke power distribution solutions for over four decades, with products that stand the test of time.

Be Part of a Global Expansion
With CEL launching its first US manufacturing plant, you will have the opportunity to work on international projects and documentation standards while collaborating with colleagues across North America.

Collaborate with World-Class Engineers, Vendors & Industry Experts
You’ll work alongside leading engineers, project managers, document controllers, product managers, and global vendors, ensuring excellence and operational success across CEL’s international teams.

Shape the Future of CEL – Critical Power
This is more than just an operator role—it’s an opportunity to help forge the future of CEL and our expansion across the US.

Competitive Salary, Benefits & Career Growth
We offer structured career development, professional training, and leadership opportunities, ensuring long-term career progression.

Site Services Engineer

Benefits

Job Description