# PV & BESS Maintenance Engineer (Athens) > Principia Energy · Marousi, Greece (Hybrid) · Full-time · Posted 2026-08-04 **Workplace:** hybrid **Department:** Operation & Maintenace ## Description Principia is seeking a **PV and BESS Maintenance Engineer**, in Athens, Greece. Are you passionate about working in the **Renewable Energy Production**? Do you have a unique combination of deep interpretation of **business acumen and interpersonal skills**? Are you an individual who thrives in a **dynamic and collaborative environment**? **Who We Are** Join one of the fastest-growing renewable energy producers in Greece and is included in the “[FT1000: Europe’s Fastest-Growing Companies 2026](https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fprincipia-energy.com%2Fen%2Fstories-news%2Fnews%2Fprincipia-ft1000&data=05%7C02%7Cgeorgia.moschona%40principia-energy.com%7C41c1d96186794a07057408dea050c489%7C326f4fc1d55e45fa87fcbead2517056c%7C0%7C0%7C639124465966313071%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=%2FhXhLfXvwpAQ0JVjWNKuIaQXmykG8ZZbVCUCNthsrKI%3D&reserved=0)” list. Jointly owned by Enel SpA and funds managed by Macquarie Asset Management, [Principia](https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.principia-energy.com%2F&data=05%7C02%7Cgeorgia.moschona%40principia-energy.com%7C41c1d96186794a07057408dea050c489%7C326f4fc1d55e45fa87fcbead2517056c%7C0%7C0%7C639124465966353064%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=FFGFSeeTMG2PQ6T7QfFrbysurkiOSRnlzOO%2BOFthbxI%3D&reserved=0) operates a diverse portfolio of assets, encompassing wind, solar, hydroelectric energy projects, as well as battery energy storage systems. Established in 2008 as part of Enel Green Power in Greece, [Principia](https://eur06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.principia-energy.com%2F&data=05%7C02%7Cgeorgia.moschona%40principia-energy.com%7C41c1d96186794a07057408dea050c489%7C326f4fc1d55e45fa87fcbead2517056c%7C0%7C0%7C639124465966391671%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=M%2FUZ8m5Ii5j%2Frb9DOLAfN%2BjgQAVOSEDcJXhFSz9BIQQ%3D&reserved=0) has evolved into an independent entity, owning 71 plants in operation with a total installed capacity of 775.32 MW. The company is actively expanding its footprint, with another 5.27 GW under various stages of development**.** ### Key Responsibilities - Support and optimize PV and BESS maintenance processes through maintenance strategy analysis and continuous improvement - Monitor and analyze maintenance KPIs, service costs, equipment reliability, predictive maintenance results, and benchmarking - Support the evaluation of maintenance contracts, including KPIs, costs, and contract management activities - Prepare technical specifications for PV maintenance tenders (minor/major services and resources) - Analyze maintenance costs and contribute to budget preparation and cost forecasting - Coordinate with local technical teams to identify maintenance issues, evaluate equipment performance, and recommend upgrades - Report maintenance activities using the company's designated tools - Perform site visits and technical evaluations at PV and BESS plants - Provide technical support and research on operation and maintenance matters across renewable energy projects, primarily PV and BESS - Support the daily operational needs and projects of the O&M department across renewable technologies - Support the operational efficiency of PV and BESS assets through technical analysis and continuous improvement initiatives - Perform electrical diagnostics, spare parts analysis, market research, and support procurement activities - Ensure compliance with quality, environmental, health, and safety standards, policies, and procedures - Participate in sustainability initiatives and promote the company's sustainability goals. ## Requirements - Diploma of Electrical Engineering (Electrical Engineering Departments of five (5) years studies Electrical Engineering in Polytechnic faculties) - Experience in BESS or photovoltaic plant maintenance (2-5years highly regarded) - Good command of the English language - Good command of Microsoft Office tools - Ability to identify a problem or conflict, identify potential solutions and analyze the solutions leading to a recommendation for the optimum solution - Good communication skills at all levels - Be results-oriented, able to meet tight deadlines and produce clear and concise information/ options/decisions to management - Based in Athens - Valid driver’s license - Periodical short travel and overnight stays at the locations of the projects - Physical ability to walk over rough terrain ## Benefits - Permanent type of contract - Competitive remuneration package & benefits - Private Medical Insurance & Pension Plan - Bonus Scheme - Food vouchers and quarterly allowance for various cases - Family Support - Career & competencies development - 360 Evaluation Feedback - Principia Academy - Collaborative and inclusive company culture - Hybrid Working Model - Volunteering & Well-being activities - A buddy will assist you with your onboarding process Discover how Principia is shaping Greece's green energy landscape at [www.principia-energy.com](https://eur06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.principia-energy.com%2F&data=05%7C02%7Cgeorgia.moschona%40principia-energy.com%7C5c99cc1e2176431e92f908de7f7bb2aa%7C326f4fc1d55e45fa87fcbead2517056c%7C0%7C0%7C639088366412655859%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=I5W2dUDA0J1Dc4yjCa4nrbCV7sXZdDL9U3jujI0%2Fju8%3D&reserved=0) or connect with us on [LinkedIn](https://eur06.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fprincipiaenergy%2F&data=05%7C02%7Cgeorgia.moschona%40principia-energy.com%7C5c99cc1e2176431e92f908de7f7bb2aa%7C326f4fc1d55e45fa87fcbead2517056c%7C0%7C0%7C639088366412709207%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=KzM1pTReTPixqXHe45YlnILF6CiL0HGGtRkJBNimFjQ%3D&reserved=0). ## Apply [Apply at Principia Energy](https://apply.workable.com/principia-energy/j/7FEB190961/apply) --- Powered by [Workable](https://www.workable.com)