Field Service Engineer (Utility BESS)

Responsibilities

• Execute pre-commissioning, cold commissioning and hot commissioning of utility scale BESS projects
• Perform preventive and corrective maintenance on installed energy storage projects
• Validate electrical installations, system configuration and performance
• Troubleshoot faults across DC systems, PCS/Inverters, MV equipment, SCADA and auxiliaries
• Supervise subcontractors and ensure site works meets safety, quality and project requirements
• Complete commissioning records, service reports, fault reports and handover documentation
• Support client training, site handover, warranty investigations and technical reporting
• Support regional delivery, commissioning and O&M activities, including travel to project sites as required.

Requirements

• Electrical, electrotechnical, or equivalent technical qualification, with proven experience in electrical installation, commissioning, maintenance, or fault finding
• Proven experience working on utility-scale electrical systems, preferably including BESS, PCS/inverters, DC battery systems, MV/LV switchgear, transformers, SCADA, BMS or EMS systems
• PES/PAV and PEI training/qualification required
• Competence to work under CEI 11‑27 / CEI EN 50110 procedures for electrical work, including live LV work, work near live parts and work in the vicinity of HV/MV systems
• Practical experience using correctly rated electrical test equipment, diagnostic tools
• Ability to read and interpret single‑line diagrams, electrical schematics, wiring diagrams, interlock logic, commissioning procedures and OEM technical manuals
• Experience with installation, commissioning, energisation, maintenance and fault finding across DC systems, PCS/inverters, MV interfaces and SCADA systems
• Familiarity with BMS, EMS, SCADA, PLCs, communication networks, HVAC, fire detection/suppression interfaces and auxiliary systems
• Ability to work under permit‑to‑work, lockout/tagout, switching, isolation, RAMS and site safety procedures
• Completion of mandatory workplace health and safety training under Italian safety requirements before site deployment
• Ability to complete commissioning records, test reports, service reports, fault reports, risk assessments and handover documentation accurately
• Valid Category B driving licence
• Willingness to travel across Italy and internationally as required
• Location: Italy and/ or Portugal

Candidates must hold PES/PAV and PEI training/qualification and must be capable of being formally authorised by the employer to work on or near live/stored‑energy electrical systems up to 1,500 VDC and 1,000 VAC in accordance with CEI 11‑27 / CEI EN 50110 and Italian safety requirements.

Preferred / additional

• Previous utility‑scale BESS installation, commissioning or maintenance experience
• Experience with OEM‑supplied integrated systems covering DC batteries, PCS, MV equipment and SCADA
• Medium‑voltage switching experience on 11 kV–33 kV systems
• Formal MV switching authorisation under client, DNO/DSO or site rules
• Experience on substations, renewable‑energy plants, grid‑connected storage projects or industrial power systems
• Knowledge of CEI 0‑16 for MV/HV grid‑connected plants in Italy
• Experience with remote diagnostics, alarm analysis, firmware updates, data logs and root‑cause analysis
• Availability for call‑out, outage support, overtime or occasional weekend work

We offer you

• A dynamic environment with high responsibilities and an independent working style
• The opportunity for professional development and growth in one of the most fast‑growing industries.
• An environment of open communication where all ideas and opinions are valued
• Collaboration with an international and diverse team from all over Europe
• Possibility for remote work
• Qualified training and support with our buddy system
• A detailed introduction to our product portfolio
• Competitive salary and a great bonus structure
• Attractive additional benefits that vary depending on the country