Project Manager - BESS

Spencer Ogden; Cardiff; On-site; GBP 65,000 - 90,000; Full time

Job summary

Spencer Ogden is seeking a proactive Project Manager to lead large-scale battery energy storage system projects in the UK. You will guide delivery from contract award through commissioning, ensuring safety, on-time, on-budget execution and top-tier technical standards.

You’ll coordinate with EPCs, ICPs, grid operators, planning authorities, and landowners. 5+ years in energy/storage projects, strong comms, and willingness to travel across the UK are essential.

Qualifications

• 5+ years’ experience in project delivery in energy storage, solar, or grid-scale infrastructure.
• Strong understanding of construction and commissioning phases of battery projects.
• Experience with EPCs, ICPs, and DNOs on grid-connected projects.
• Knowledge of contracts (FIDIC or equivalent) and variation processes.
• Proficient with project tools for planning, budgeting, and reporting.
• Excellent communication and collaborative, solutions-driven mindset.

Responsibilities

• Lead delivery of large-scale BESS projects from award to handover.
• Manage tenders and contracts with EPCs, ICPs, and partners.
• Oversee construction, planning conditions, and grid compliance (G99, ION, FON).
• Monitor budgets, schedules, risks, and contractor performance.
• Coordinate stakeholder meetings and project reporting.
• Ensure HSE, CDM, and planning compliance; support close-out and handover.
• Assist with dispute resolution and input on change orders.

Skills

Project management

Stakeholder management

Engineering knowledge

Budget monitoring

Site travel

Tools

Gantt charts

Tracking systems

Job description

About the Role

We are looking for a proactive and hands-on Project Manager to lead the delivery of large-scale battery energy storage system (BESS) projects.

From contract award through to commissioning and handover, you will be at the centre of ensuring projects are delivered safely, on time, on budget, and to the highest technical standards.

This role suits someone with strong engineering knowledge, excellent stakeholder management skills, and a proven track record in UK grid or energy infrastructure projects.

You will work closely with contractors, grid operators, planning authorities, and landowners - making this a highly visible and impactful position.

Key Responsibilities

• Manage tendering and contract scopes with EPCs, ICPs, and other partners
• Oversee construction delivery, including planning conditions and grid compliance (G99, ION, FON)
• Monitor budgets, schedules, risks, and contractor performance
• Coordinate stakeholder meetings and project reporting
• Ensure compliance with HSE, CDM, and planning requirements
• Manage commissioning, handover, and close-out of projects
• Support dispute resolution and provide technical/commercial input on change orders

About You

• 5+ years’ experience in project delivery (energy storage, solar, or grid-scale infrastructure)
• Strong understanding of construction and commissioning phases of battery projects
• Experience working with EPCs, ICPs, and DNOs on grid-connected projects
• Knowledge of contracts (FIDIC or equivalent) and variation processes
• Comfortable with project tools such as Gantt charts, financial tracking, and reporting systems
• Excellent communication skills and a collaborative, solutions-driven mindset
• Willingness to travel across the UK for site and stakeholder visits