Lead Commissioning Engineer

LYDIAN ENERGY LLC • Remote, US,

1d

About The Position

The Lead Commissioning Engineer provides technical guidance and project support during construction and commissioning of utility-scale photovoltaic and battery energy storage system (BESS) power plants across the United States. The role manages multiple concurrent projects and resources from a technical perspective across many phases of the project lifecycle, combining project-level technical diligence, optimization, project development engineering, construction support, risk analysis, and project management.

The engineer coordinates and oversees commissioning activities with EPC and OEM partners, supports integration and testing, tracks schedules and risks, and provides technical leadership to project stakeholders. The position includes site and OEM facility travel, construction RFI support as the owner’s engineer, management of consultants and partners, and maintenance of commissioning documentation. Lydian Energy develops and constructs utility-scale solar and BESS projects in North America.

Requirements

• Bachelor’s degree in Engineering.
• Strong working knowledge of utility-scale PV and BESS systems.
• At least 4 years of experience in utility-scale PV/BESS system construction or commissioning.
• Familiarity with utility-scale PV/BESS construction practices.
• Ability to assess engineering and technical matters from a commercial perspective.
• Ability to travel approximately 25% of the time, or as required during energization and commissioning based on project location and type.
• Experience engaging varied project stakeholders, including investors, EPC partners, developers, and O&M partners.
• Ability to identify cost or schedule drivers and implement actions to optimize and protect installed-budget and completion-schedule targets.

Responsibilities

• Develop and coordinate commissioning schedules, responsibilities, and procedures with EPC and OEM partners; analyze commissioning scopes to identify gaps or overlaps.
• Oversee commissioning activities on- and off-site, including travel to project sites for inspections and support.
• Track commissioning progress against schedules and report items ahead of or behind schedule.
• Oversee integration testing among the substation, BESS plant controls, PCS interfaces, metering, utility/ISO interfaces, and Lydian operations systems, ensuring interface gaps are closed before energization.
• Support EPCs and OEMs in executing commissioning test procedures.
• Lead engineering and commissioning meetings with EPCs, OEMs, SCADA integrators, and P&C integrators.
• Review EPC substation and BOP commissioning reports and BESS and PCS OEM commissioning reports.
• Review relay trip events.
• Audit EPC and OEM execution of PV and/or BESS capacity testing required for Substantial Completion, coordinating the EPC, BESS and PCS OEMs, and PPC/EMPS provider.
• Coordinate with the EPC and Compliance department to ensure required inputs and RFIs are available to the Compliance Consultant and support clarifications for approval of NERC-FAC-008 and NERC-PRC019/025/028 and 029 studies.
• Identify and escalate commissioning blockers, missing prerequisites, design gaps, settings discrepancies, integration and schedule risks, and safety concerns, recommending corrective actions and ownership.
• Lead preparation and execution of grid code testing required for Commercial Operation, including reactive power, PFR, and Automatic Voltage Control testing, coordinating the EPC, BESS and PCS OEMs, and PPC/EMPS provider.
• Lead testing required to achieve COD under PPA requirements.
• Travel to OEM facilities for buyoff or training as needed.
• Provide general support and management of technical commissioning matters, including interconnection, communications, and schedule, as needed.
• Maintain organized and clearly documented commissioning technical deliverables.
• Interface with the projects’ independent engineer to ensure reports are accurately prepared and protect development and long-term ownership interests.
• Provide construction RFI support as the owner’s engineer.
• Provide technical leadership with the team to support key stakeholders’ interests.
• Source and manage external consultants and partners, including preparing Scope of Work documents, managing the RFP process, and controlling scope and schedule for deliverables.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior