BESS Commissioning Manager - 12 Month contract (Outside IR35)| Flexible Generation IPP
We are now seeking a dedicated BESS Commissioning Manager to join our team, solely responsible for the commissioning management of Section C (BESS build) of our projects across the UK portfolio. This is a high-impact role offering autonomy, strategic input, and direct influence on the delivery of critical grid-scale energy storage projects.
Reporting directly to the Grid Connections Director, you will be the representative for all aspects of BESS commissioning across our projects, taking ownership of the commissioning process from design input through to operational handover.
In line with project timelines, you will be required to support early-stage design and construction planning, through to on-site commissioning as projects progress. You will oversee a portfolio of BESS assets, ensuring they are safely and efficiently commissioned, and ready for seamless grid integration.
Key Responsibilities:
Commissioning Leadership: Lead the end-to-end commissioning process for BESS systems across multiple sites, acting as the single point of accountability.
Design Interface: Provide input to design teams during early-stage development to ensure future commissioning and operational needs are embedded.
Planning & Documentation: Develop and implement commissioning strategies, schedules, risk registers, and test plans specific to BESS.
Stakeholder Coordination: Liaise with contractors, OEMs, consultants, and internal teams (including Grid and Construction) to align commissioning efforts.
Site Management: Attend project sites as required to oversee and validate on-site commissioning execution by EPCs and third-party contractors.
Handover & Operations: Ensure comprehensive asset handover including documentation, training, and performance verification for operational readiness.
Best Practice Development: Contribute to the standardisation and continual improvement of BESS commissioning procedures across the portfolio.
Essential Requirements:
5+ years of BESS-specific commissioning experience, ideally across utility-scale projects in the UK.
Strong understanding of BESS architecture, including PCS, BMS, EMS, SCADA, HVAC, and interconnections with HV systems.
HNC or Degree in Electrical Engineering (or equivalent). Vocational routes considered for highly experienced candidates.
Familiarity with UK regulations and standards applicable to energy storage systems and grid-connected infrastructure.
Proven ability to manage multiple stakeholders and drive commissioning programmes to meet safety, quality, and schedule requirements.
Previous experience of liaising with DNOs, IDNOs or National Grid.
This will be a 12 month renewable contract and is outside IR35.
If interested, please apply within or contact Oli Hunt on +44 203 833 0457 for further information.
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