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Job description
The Commissioning Specialist is a field expert responsible for ensuring the safe, reliable, and code-compliant commissioning of Solar PV, Battery Energy Storage Systems (BESS), and EV charging infrastructure. This role requires advanced technical knowledge across AC and DC power systems, SCADA integration, Data Acquisition Systems (DAS), and end-to-end system testing. The Commissioning Specialist acts as a technical authority in the field, supporting both internal teams and client representatives during project turnover.
Responsibilities
Lead field commissioning activities for Solar PV, BESS, and EV charging projects, ensuring compliance with design, specifications, and regulatory requirements.
Perform advanced functional and acceptance testing on AC, DC, communication, and protection systems.
Oversee and validate system energization, synchronization, and interconnection procedures.
Configure, troubleshoot, and verify SCADA and DAS systems, ensuring proper integration with utility and client monitoring platforms.
Validate communication networks (cellular, ethernet, fiber) and ensure redundancy where required.
Witness and interpret test results for insulation resistance, hi-pot, continuity, grounding, relay/protection schemes, and inverter/battery performance.
Collaborate with engineering teams to resolve field discrepancies in one-line diagrams, control schematics, and PLC/RTU programming.
Train and mentor junior commissioning technicians on safe energization procedures, test equipment use, and best practices.
Prepare detailed commissioning reports, test result documentation, and as-built redlines.
Serve as client-facing commissioning representative, communicating technical findings and resolving punch list items.
Ensure strict adherence to safety policies, lockout/tagout procedures, and OSHA requirements during energization activities.
All other duties as required.
Skills / Other
Expert-level knowledge of AC and DC power systems, including switchgear, transformers, protection relays, inverters, and BESS.
Strong understanding of SCADA architectures, DAS platforms (e.g., AlsoEnergy, PowerTrack, SolarEdge, CPS), and communication protocols (Modbus, TCP/IP, fiber).
Skilled in functional acceptance testing, IR thermography, and use of advanced test equipment (Fluke SMFT-1000, power quality analyzers, relay test sets).
Ability to interpret complex engineering drawings, control schematics, and network diagrams.
Proven track record of leading energization and commissioning of large-scale Solar, BESS, and EVSE projects.
Excellent documentation and reporting skills; proficiency with Microsoft Office and QAQC/commissioning platforms (Procore, Bluebeam, etc.).
Strong leadership and mentoring abilities for field commissioning teams.
Comfortable working in fast-paced construction environments and interacting directly with clients, utilities, and AHJs.
Ability to travel extensively and work outdoors in varying conditions.
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Worksite address
tustin, CA, 92681, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.