Field Expert Technician; Inverter

Do you want to work to make Power for Good?

RES Energy Services Ltd is a Division/subsidiary of RES Ltd, the world’s largest independent renewable energy company. We’re guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero carbon energy.

We know that achieving our ambitions would be impossible without our people. Because we’re tackling some of the world’s toughest problems, we need the very best people to help us. They’re our most important asset so that’s why we continually invest in them.

The RES group is a family with a diverse workforce, and we are dedicated to the personal professional growth of our people, no matter what stage of their career they’re at. We can promise you rewarding work which makes a real impact, the chance to learn from inspiring colleagues from across a growing, global network and opportunities to grow personally and professionally.

The O&M Specialist Technician (Inverter) is a field-based role performing specialist services on the inverters of battery storage and solar PV plants. You will be part of a team of industry-leading inverter specialists that support our wider O&M team in delivering exceptional plant performance, and also provide on-site inverter intervention for asset owners on plants external to our O&M portfolio.

You will be a qualified electrician with experience maintaining MW-scale power plants, with a keen interest in working on inverters. This is a permanent role and an overtime system is in place.

A company vehicle, smart phone and laptop/tablet will be provided. RES provides a comprehensive package of benefits including contributory pension, private health insurance and investment in role‑specific training, and as a Specialist Technician (Inverter), you will be supported in receiving all relevant manufacturer training to allow us to deliver this service.

The ideal candidate would be based in the East or South East of England.

• Carry out specialist inverter maintenance and upgrade work for clients as an Additional Service
• Drive the fulfilment of 3rd party inverter response contracts through remote and on‑site intervention
• Provide remote troubleshooting and on‑site support to O&M technicians in rectification of faults on the portfolio’s inverters
• Support the regional O&M teams on‑site with corrective and preventive maintenance where required
• Contribute to the internal knowledge base in relation to inverters, and share knowledge across the wider team
• Develop method statements in collaboration with the O&M Specialist Manager (Inverter), HSQE Advisor, and Quality Manager
• Identify any knowledge and training gaps, and put forward relevant training courses to assist the team with upskilling
• Identify and propose upgrades to the specialist systems (considering obsolescence and reliability)
• Support the Performance Analysts and SMART team in developing API connections to new sites as required
• Any other duties, for example with other specialist systems as required by the business needs

• Good knowledge and understanding of solar PV technology
• Knowledge of central inverters is essential
• Principles of High Voltage operations
• Technical understanding of AC and DC systems within utility‑scale solar farms
• Good knowledge and understanding of SCADA, instrumentation and communications networks is desirable
• Good knowledge and understanding of HVAC, fire protection, security systems is desirable
• Good knowledge and understanding of battery storage technology, although training can be given in this area

• Experience, reading, writing and amending Risk Assessments and Method Statements
• Experience working with equipment vendors to support diagnosis of faults
• DC and LV installation, fault finding, testing and commissioning
• Experience working remotely
• Solar PV installation and O&M experience (MW‑scale or large commercial ground‑mount)
• Battery storage installation and O&M experience (MW‑scale) is desirable
• Experience installing or maintaining ethernet and fibre optic communications
• Experience working with SCADA or data monitoring systems
• Work with Central inverters
• Work with High Voltage switch gear