Commissioning Engineer – Commercial Solar Farms

2 weeks ago

Birmingham, United Kingdom Ardour Associates Ltd Full time

Job Specification: Commissioning Engineer – Commercial Solar Farms

Day Rate: circa £600 - £800/day
Location: UK-wide (with travel to project sites)
Contract Type: Contract / Freelance

Overview

We are seeking an experienced Commissioning Engineer to support the end-to-end commissioning of commercial-scale solar PV farms. The ideal candidate will have a strong technical background in electrical engineering, hands-on commissioning experience with MW-scale solar installations, and the ability to work independently to ensure systems meet performance, safety, and compliance standards.

Key Responsibilities

Commissioning & Testing

* Perform full commissioning of solar PV systems, including DC strings, inverters, AC systems, protection equipment, transformers, and grid-connected components.

* Conduct functional tests, insulation resistance tests, IV curve testing, and system performance verification.

* Ensure all equipment is installed and operates per design specifications, manufacturer standards, and regulatory requirements.

* Diagnose, troubleshoot, and resolve technical issues during the commissioning process.

Documentation & Reporting

* Prepare and maintain detailed commissioning plans, test records, and handover documentation.

* Produce high-quality commissioning reports for clients, DNOs, and internal stakeholders.

* Ensure all commissioning activities are recorded according to H&S, QA/QC, and project compliance frameworks.

Technical & Stakeholder Coordination

* Work closely with EPC teams, site managers, grid operators (DNOs/IDNOs), and asset management teams.

* Support energisation procedures and liaise with the DNO for G99/G100 compliance testing.

* Provide technical guidance during the late-construction phase to ensure the project is ready for commissioning.

Health & Safety

* Ensure all work is carried out safely in accordance with CDM, site rules, and industry H&S best practices.

* Lead by example in maintaining a strong safety culture across site teams.

Required Experience & Qualifications

Experience

* 3–5+ years commissioning experience on commercial or utility-scale solar PV projects (5MW+ preferred).

* Strong working knowledge of grid-connected PV systems, inverters (SMA, Huawei, Sungrow, or similar), transformers, HV/LV systems, and SCADA platforms.

* Demonstrable experience completing successful energisations and handovers on major solar projects.

Technical Skills

* Ability to perform advanced diagnostic testing and system performance verification.

* Familiarity with G99 commissioning requirements and grid compliance processes.

* Understanding of fibre, Comms, SCADA integration is highly desirable.

Qualifications

* Degree or HNC/HND in Electrical Engineering (or equivalent).

* 18th Edition (desirable).

* CSCS / ECS, HV authorisations, or DNO-approved competencies advantageous.

* Full UK Driving Licence.

Key Attributes

* Strong problem-solving ability and technical initiative.

* Excellent communication and reporting skills.

* Ability to lead commissioning activities with minimal supervision.

* Detail-oriented with a commitment to safety and compliance

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