Role Overview
The Test Supervisor will support the Testing Manager in the delivery of all electrical testing, energisation, and system validation activities across a large-scale data centre project. The successful candidate will coordinate daily testing activities, supervise Test Engineers, ensure testing is completed safely and efficiently, and maintain the highest standards of quality throughout the testing process.
This is a hands‑on leadership role requiring strong technical knowledge, excellent organisational skills, and the ability to work closely with contractors, commissioning teams, Authorised Persons (APs), and client representatives.
Reports To
Testing Manager
Direct Reports
Test Engineers
Key Responsibilities Testing & Energisation Activities
* Supervise electrical dead testing, live testing, and energisation activities.
* Coordinate daily testing activities in line with the project schedule.
* Ensure testing is carried out in accordance with approved procedures and safety requirements.
* Support energisation programmes and integrated systems testing activities.
* Assist with troubleshooting and resolving technical issues identified during testing.
Team Supervision
* Lead and supervise Test Engineers and testing personnel.
* Allocate daily work activities and ensure resources are effectively utilised.
* Monitor productivity and quality of testing activities.
* Provide technical guidance and mentoring to junior team members.
Documentation & Reporting
* Review completed test documentation and ensure accuracy of test records.
* Assist in the preparation of test packs, reports, and handover documentation.
* Track defects, non-conformances, and outstanding actions through to closure.
* Provide regular progress updates to the Testing Manager.
Stakeholder Coordination
* Work closely with the Testing Manager, Commissioning Team, AP Team, contractors, and vendors.
* Attend daily coordination meetings and testing reviews.
* Support client witnessing activities where required.
* Ensure effective communication between all project stakeholders.
Health, Safety & Quality
* Promote and maintain a strong safety culture on site.
* Ensure compliance with site safety rules, permit‑to‑work systems, and electrical safe systems of work.
* Participate in toolbox talks, risk assessments, and safety briefings.
* Ensure all testing activities meet project quality standards and client requirements.
Essential Requirements
* Proven experience in electrical testing and commissioning on data centre, mission‑critical, power generation, or industrial projects.
* Strong understanding of MV and LV electrical systems.
* Experience with switchgear, transformers, UPS systems, generators, and critical power infrastructure.
* Experience supervising testing teams or leading testing activities on site.
* Strong technical troubleshooting and problem‑solving skills.
* Excellent communication and organisational abilities.
* Recognised Electrical Testing qualification.
* Right to work within the European Union.
Qualifications & Experience
* Previous hyperscale data centre experience.
* IPAF
* AP (Authorised Person) or Senior Authorised Person experience.
* HNC/HND or Degree in Electrical Engineering or related discipline.
* Knowledge of commissioning and integrated systems testing methodologies.
* Experience working on fast‑paced construction or mission‑critical projects.
What We Offer
* Opportunity to work on a major hyperscale data centre project.
* Competitive salary and benefits package.
* Career development opportunities within a growing international organisation.
* Exposure to industry‑leading testing and commissioning practices.
* Collaborative and professional working environment.
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