Field Service Engineer; Utility BESS

Position: 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 switch gear, 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