Overview
For our Operations & Maintenance team in the United Kingdom, we are looking for an experienced, hands-on Senior Technician who combines day-to-day field work with technical leadership. You will maintain and repair commercial and utility-scale PV plants in operation, carry out HV switching as Senior Authorised Person (SAP), support the commissioning of new plants and train colleagues directly on site.
Your mission
- Carry out preventive and corrective maintenance on operational commercial and utility-scale PV plants to keep them safe, available and performing in line with agreed SLAs
- Perform electrical testing (insulation resistance, continuity, IV curve tracing, thermography) and complete the associated certification documentation
- Inspect and maintain modules, inverters, combiner boxes, transformers, switchgear, cabling, monitoring and security systems
- Maintain accurate records of all work, including service reports, photos and test results, in our field service and CMMS systems
- Respond to faults and outages on site, diagnose root causes and carry out repairs, including replacement of inverters, isolators, modules and other components
- Act as Senior Authorised Person for LV, HV and EHV systems: plan, authorise and carry out switching operations on 11 kV / 33 kV switchgear, ring main units, transformers and substations, including isolation, earthing and LOTO
- Issue and cancel safety documents (permits-to-work, sanctions for test, limitation of access) and ensure RAMS and Electrical Safety Rules are in place and followed
- Take part in the on-call rota and act as technical point of contact for DNOs / IDNOs and asset owners on grid connection and HV matters
- Coordinate warranty claims and technical escalations directly with Tier 1 manufacturers of modules, inverters, transformers and switchgear
- Support the commissioning of new PV and hybrid PV/BESS plants as required, including LV/HV testing, energisation and functional checks
- Support EPC handover processes and ensure a smooth transition into operations
- Support retrofits, upgrades and the implementation of monitoring, PPC and SCADA solutions
- Train and onboard new colleagues directly on our plants, passing on practical, technical and safety know-how in day-to-day work
- Act as mentor and day-to-day lead for the technicians in your team, and assess and appoint Authorised and Competent Persons within the team
- Work closely with the Head of O&M on the planning of field activities, maintenance schedules, SOPs and safety procedures
- Contribute to the continuous improvement of KPIs, SLA performance and the overall service offering, and support quotations for additional technical services
- Ensure all work complies with the Electricity at Work Regulations 1989, BS 7671, CDM Regulations, applicable ENA guidance and UK health & safety legislation
- Travel regularly to sites across the UK and, where required, to Greencells locations in Europe
Your profile
- Completed technical education (e.g. HNC/HND, apprenticeship or degree) in electrical engineering or a related discipline
- Several years of hands-on field experience in photovoltaics, with a clear focus on commercial & industrial (C&I) and/or utility-scale ground-mounted and rooftop systems
- Current appointment or demonstrable experience as Senior Authorised Person (SAP) for HV systems; competence for LV, HV (11 kV / 33 kV) and ideally EHV is essential
- All relevant UK certifications, such as 18th Edition BS 7671, City & Guilds 2391 (Inspection & Testing), HV switching and authorisation training, ECS/JIB card and SSSTS/SMSTS; IPAF and First Aid are an advantage
- Proven experience with Tier 1 manufacturers, e.g. inverters (SMA, Huawei, Sungrow, Power Electronics, SolarEdge), modules (LONGi, JinkoSolar, Trina, JA Solar, Canadian Solar) and HV equipment (Schneider Electric, Siemens, Hitachi Energy, Lucy Electric)
- Practical experience in fault finding, repair and commissioning of PV plants, including HV substations
- Experience in training and leading technicians in the field
- Sound knowledge of G99 requirements, grid compliance, PPC/SCADA systems and ideally hybrid PV/BESS installations
- Ability to read and interpret SLDs, protection settings, technical specifications and test reports
- Motivation to work on site every day
- Strong communication skills, customer orientation and confidence in dealing with asset owners, DNOs and senior stakeholders
- Willingness to travel nationwide and occasionally internationally; full clean UK driving licence
- A responsible, proactive and solution-oriented approach to work, with the ability to apply professional expertise effectively in day-to-day activities
- A commitment to respectful, trusting collaboration and mutual support within the team