Project Manager - Battery Energy Storage System in London

At Quest Global, UK, we are actively looking for a BESS Project Manager / Project Manager having experience in the energy or power sector, specifically handling BESS (Battery Energy Storage System) or renewable hybrid projects. Hybrid / Remote Working, onsite visit on need base.

Roles and Responsibilities

• Take project ownership and lead the project delivery from contract award through to contractual Commercial Operation Date.
• Act as the primary point of contact for the client stakeholder team including the end client, owners engineer, consultant and advisors.
• Ensure the management of contracts, change orders, claims, risks and project profitability working with legal, commercial and finance teams.
• Develop and maintain project execution plans, schedules, budgets, and resource plans.
• Ensure projects are delivered safely, on time, within budget, and to quality standards.
• Oversee procurement of major BESS and HV equipment.
• Manage and lead project teams across engineering, procurement, construction, commissioning, commercial & HSQE functions.
• Co-ordinate grid connection, energisation and commissioning activities in conjunction with the client, appointed EPC contractor and DNO.
• Maintain schedule, budget and quality performance.
• Take ownership of all site operations, supervising and liaising with the appointed EPC contractor for the grid-scale BESS project, ensuring all activities align with the construction schedule.
• Oversee enabling works, civil groundworks, substation builds, containerised BESS installation, MV / HV cabling, and grid connection scope.
• Work in conjunction with the appointed Principal Designer ensuring identified risks and observations are actioned in a timely manner.
• Co-ordinate and facilitate HAZID studies with relevant stakeholders.
• Ensure all on-site operations comply with CDM regulations, HSE legislation, and project-specific safety plans noting appointed EPC contractor is both the Principal Contractor.
• Lead and coordinate directly appointed subcontractors, including logistics and commissioning teams.
• Work closely with the engineering and design teams to resolve technical issues and ensure buildability on site.
• Review site documentation including daily reports, RAMS reviews, permits, inductions, and quality checklists.
• Liaise with the clients on-site representatives, DNOs / IDNOs, ICPs, and EPC stakeholders.
• Monitor progress against programme, highlight risks early, and implement recovery plans if needed.
• Champion environmental and sustainability requirements in line with planning conditions and BESS best practices.
• Support testing, energisation, and handover stages, including witnessing and defect close-out.
• Provide executive reporting and governance throughout the project lifecycle.

This list is not exhaustive and may change.

Required Experience & Qualifications

• Previous long-term experience as a Project Manager in utility-scale energy or infrastructure projects.
• Proven track record of delivering grid-connected renewable energy assets (preferably BESS, solar, or substations).
• Relevant construction or engineering qualification (HNC/HND/Degree).
• SMSTS or equivalent site management certification.
• Card CSCS (Black or equivalent).
• NEBOSH General Certificate.
• First Aid at Work.
• Full UK driving licence.
• Proficient in Microsoft Office and relevant diagnostic equipment and support systems.
• Must be a competent writer of business letters, emails, commercial and technical reports, creating and presenting project progress reports to both external and internal stakeholders.

Desirable Experience (not mandatory)

• Experience working with battery OEMs or EPCs in the BESS space.
• Understanding of HV / MV grid infrastructure and DNO connection processes.
• Electrical Authorisation or AP experience (HV desirable).
• Familiarity with QA processes during energisation and commissioning.

About Quest Global

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster. We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the world’s hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 22,000 difference-makers in our workplace.