Commissioning Engineer (BESS) - Freelance Project
Confirmed on the employer's own hiring board on Nov 5, 2026. First seen by Alion on Oct 15, 2026.
Location: Lithuania
Duration: 1 month
Type: On-site freelance
Eligibility: Lithuania-based candidates only
We are looking for an experienced Commissioning Engineer to support a utility-scale BESS project in Lithuania. This is a short-term, site-based role focused on full commissioning.
Mandatory Certifications:
- EU electrician license
- Working at height certificate
- LOTO safety knowledge
- HV safety awareness (DC systems up to 1500V)
Scope of Work:
Installation Verification (Pre-Commissioning):
- Check DC & AC cable installation
- Verify communication systems (BMS / EMS / PCS)
- Perform insulation resistance testing (50 MΩ)
- Conduct visual and mechanical inspections (grounding, connections, torque)
Cold Commissioning (System Functional Check - No Load):
- Verify UPS and auxiliary power systems
- Validate BMS / controller software & firmware
- Test communication protocols (CAN / Ethernet / EMS)
- Check alarms, indicators, SPD statusTest cooling system, ventilation, and safety interlocks
- Validate fire detection and suppression systems
Hot Commissioning (Load Testing):
- Execute full system validation under operation
- Cell voltage deviation checks (under load)
- Cell temperature deviation & rise checks
- Charge / discharge testing (rate power)
- Full energy performance test
- System integration validation with PCS / EMS / transformer
If you are an experienced BESS / Solar / Substation commissioning engineer or Field engineer with real commissioning experience and looking for a flexible, project-based collaboration in the renewable energy sector, please send your CV to [email protected] and our Recruitment Consultants will provide you with more detailed information about the role.