- 1. Lead on-site commissioning, Site Acceptance Testing (SAT), and customer handover of utility-scale BESS projects;
- 2. Execute preventive and corrective maintenance on battery systems (LFP / NMC), Power Conversion Systems (PCS), Battery Management Systems (BMS), Energy Management Systems (EMS), MV/HV switchgear, transformers, and auxiliary subsystems;
- 3. Provide 24/7 first-line emergency response and remote technical support during critical incidents; lead on-site recovery actions;
- 4. Diagnose faults using BMS logs, SCADA / EMS trend data, and field measurements; perform structured root-cause analysis and write incident reports;
- 5. Deliver operator and maintenance training to customers, O&M; partners, and local contractors;
- 6. Ensure all work complies with EU and local standards: IEC 62619, IEC 62933, EN 50549, VDE-AR-N 4110 / 4120, G99, CE, and local fire codes (VdS / NFPA 855 equivalent);
- 7. Coordinate with EPCs, DSOs / TSOs, fire authorities, and third-party service providers during planned and unplanned outages;
- 8. Prepare service reports, method statements, risk assessments, and as-built documentation in English;
- 9. Manage warranty claims, spare-parts forecasting, and service cost control against SLA;
- 10.



Contribute to continuous improvement of service procedures, tooling, and safety practices across the European team;
Required Qualifications
- 1. Bachelor's or Master's degree in Electrical Engineering, Power Systems, Renewable Energy, or related discipline;
- 2. Minimum 3 years of hands-on experience with utility-scale BESS, PV+storage hybrid plants, or HV substations;
- 3.

Strong understanding of BESS architecture: cells / modules / racks, BMS, PCS, EMS, MV transformers, and protection systems;

- 4. Familiarity with European grid codes and grid-connection standards (EN 50549, VDE-AR-N 4110 / 4120, G99, or equivalents); Valid HV / MV switching authorization - minimum 10 kV, ideally 33 kV or above;
- 5.Working at Heights, First Aid, and IOSH / NFPA 70E or equivalent safety certifications;
- 6.Proficiency in German, Polish, or Spanish is a strong plus. The role requires close collaboration with cross-functional teams to ensure high-quality client support, along with the flexibility to undertake additional duties as reasonably assigned;
- 7.Legal right to work in the EU or UK and ability to travel freely within the Schengen area;
- 8.Willingness to be on-call and to travel at short notice;

📌 Filed Service Engineer(utility Bess) (La Mancha)
🏢 StarCharge
📍 La Mancha