Field Service Engineer (Utility BESS)

- 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. - 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 asrequiredPreferred / 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 - 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