Commissioning Engineer: BESS System Validation & Startup
Commissioning engineers manage FAT and SAT execution, verify control system functionality, validate protection schemes, and oversee performance testing. They coordinate with manufacturers, EPCs, and operations teams to hand off systems safely. Understanding IEC 61850, power quality measurements, and documentation requirements is critical.
Commissioning Engineer
Role Deep-Dive
Industry context for this position
✓ Salary confirmed by employer
- REQOSHA 30-Hour
- REQNFPA 70E Electrical Safety
- OPTNABCEP Battery Storage
- OPTIEC 61850 Protocol Training
- OPTCESCO (Certified Energy Storage Commissioning Officer)
- ▸Execute factory acceptance tests (FAT) and site acceptance tests (SAT) for BESS equipment and systems.
- ▸Verify control system configurations, interlocks, and protection relay settings against design specifications.
- ▸Perform protection relay testing including functional verification and coordination checks.
- ▸Manage and resolve punch-list items in coordination with EPC contractors and equipment vendors.
- ▸Prepare commissioning reports, as-built redlines, and test result documentation for project turnover.
Career path: Typical path: Field Commissioning Technician → Commissioning Engineer → Sr. Commissioning Engineer → Commissioning Manager → Director of Commissioning.
Job Description
Requirements
California BESS Market
CAISO · 13+ GW deployed / 52+ GW in queue
California leads the US in battery storage deployment, driven by the Self-Generation Incentive Program (SGIP) and AB 2514 storage mandates. The state's aggressive 100% clean energy goal by 2045 is creating sustained demand for BESS engineering, O&M, and project development talent.
- ▸AB 2514 — Utility Procurement Mandate
- ▸Self-Generation Incentive Program (SGIP)
- ▸California Climate Commitment: 100% clean electricity by 2045
Skills & Keywords in This Role
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📚 Related Career Guides
Deepen your knowledge of this role and the BESS industry:
- SAT & FAT Commissioning Procedures for BESS→
★ Primary resource
- NFPA 855 Certification & Compliance Roadmap (2026)→
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- BESS Project Lifecycle: From Development to Operations→
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About the Company
Our mission is clear: to equip businesses, municipalities, and communities with advanced tools and strategies to harness, store, and distribute energy in the most efficient manner possible.
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