Field Service Engineer (Utility BESS)

About this role

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 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

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