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 Valid at electrical installations, system configuration and performance Troubleshoot faults across DC systems, PCS/Inverters, MV equipment, SCADA and auxiliaries Supervise subcontractors and ensure site works meet 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 Electrical safety training,competenceand authorisationrequiredfor work on or near electrical installations Competence to work under EN 50110-1 and applicable Portuguese electrical safety procedures, 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, commissioningproceduresand 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/suppressioninterfacesand auxiliary systems Ability to work under permit-to-work, lockout/tagout, switching, isolation,RAMSand site safety procedures Completion of mandatory workplace health and safety training under Portuguese safety requirements before site deployment Ability to complete commissioning records, test reports, service reports, fault reports, riskassessmentsand handover documentation accurately Legal right to work in Portugal Valid Category B driving licence Willingness to travel across Portugal and internationally asrequired Preferred / additional Previousutility-scale BESS installation,commissioningor 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, DSO/TSOor site rules Experience on substations, renewable-energy plants, grid-connected storageprojectsor industrial power systems Knowledge of Portuguese MV/HV grid-connection requirements and applicable DGEG / network operator rules Experience with remote diagnostics, alarm analysis, firmware updates, datalogsand root-cause analysis Availability for call-out, outage support,overtimeor 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