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Open nowFirst seen 5 days ago

Commissioning Engineer (BESS) - Freelance Project

HR Energy Recruitment Agency26 open roles

Where
Vilnius, Vilnius City Municipality, Lithuania
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Your applicationOpen nowCommissioning Engineer (BESS) - Freelance ProjectHR Energy Recruitment Agency · Vilnius, Vilnius City Municipality, Lithuania

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  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

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The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.3%14 days
  5. 35.6%30 days
  6. 58.1%60 days
This job: first seen 5 days ago

The posting

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 checksCharge / 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.

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