A leading European renewable energy developer and independent power producer is seeking a Senior BESS Engineer to act as the technical lead for battery energy storage systems, including both standalone and solar co-located projects.
The role will ensure BESS projects are appropriately designed, procured, constructed, commissioned and operated, with responsibility for protecting key performance guarantees including power, energy, availability and round-trip efficiency.
Key Responsibilities:
Design & DevelopmentDefine BESS technical requirements and sizing, including MW/MWh, duration, AC/DC coupling and augmentation strategy.
Define technical interfaces between BESS and co-located solar PV systems. Provide technical input into grid connection applications, studies and DNO/NESO engagement.
Develop and maintain BESS technical specifications and reference designs.
Procurement & TechnologyTechnically evaluate BESS suppliers and integrators, including cell chemistry, PCS, thermal management, fire safety, warranties, degradation and RTE guarantees.
Support supply, EPC and LTSA contract negotiations, with responsibility for technical schedules and requirements.
Develop technology and pricing roadmaps using market and supplier feedback.
Monitor technology developments and supplier bankability.
Establish BESS technical standards and best practices while mentoring colleagues on storage technology.
Construction & CommissioningReview contractor designs, drawings, calculations and technical submissions.
Oversee factory acceptance testing, site inspections, installation quality and commissioning.
Witness and verify Taking Over, IAC and FAC testing, including capacity and RTE testing.
Manage technical defects, snagging and performance issues.
Provide technical input into variations, delays and contractual claims.
Operations & PerformanceMonitor BESS performance, including availability, capacity retention, state of health, RTE, auxiliary consumption and alarm/fault trends.
Manage performance guarantees, warranties, degradation claims and O&M/LTSA provider performance. Support BESS optimisation and trading strategies.
Assist with spares, augmentation and end-of-life planning.
Safety, Compliance & GovernanceEnsure BESS design and operation comply with applicable UK standards, regulations and battery fire-safety requirements.
Report technical risks to senior management, lenders and insurers.
Support lender technical adviser activities and technical due diligence.
Essential Experience & Skills:5+ years' experience in utility-scale BESS engineering, covering design, procurement, construction, commissioning and/or operations, ideally within an owner, developer, IPP or technical advisory environment. Strong understanding of BESS architecture, including cells and racks, PCS/inverters, transformers, EMS/BMS/SCADA, thermal management and fire protection.
Understanding of BESS performance metrics and guarantees, including availability, capacity retention, degradation, RTE and auxiliary consumption.
Experience reviewing contractor designs and witnessing factory, site and commissioning tests.
Knowledge of relevant battery safety standards, such as IEC, UL and NFPA 855 or equivalent.
Ability to analyse operational data and provide clear, decision-ready technical recommendations.
Strong collaboration skills across grid, contracts, development and asset management teams. Degree in electrical, mechanical, chemical, energy engineering or a related discipline.
Desirable
ExperienceExperience with solar PV and BESS co-location, including shared grid connection and control interfaces.
Knowledge of the GB BESS market and storage revenue streams.
Experience with BESS supply, EPC and LTSA contracts and technical performance guarantees.
Knowledge of battery dispatch, trading, optimisation, degradation and augmentation planning. xohmjla Experience using AI tools such as Microsoft Copilot or Claude for technical analysis, document review and reporting.
Chartered or professionally qualified engineer status (CEng or equivalent), or working towards professional accreditationDiscipline(s): Renewable Energy, Grid and StorageJob type: Permanent
Senior BESS Engineer in Vauxhall employer: The Green Recruitment Company
The Green Recruitment Company is an exceptional employer, offering a dynamic work culture that prioritises sustainability and innovation in the renewable energy sector. Located in London, employees benefit from a collaborative environment that fosters professional growth through continuous learning opportunities and impactful projects. With a strong commitment to employee well-being and a focus on meaningful work, this role provides a unique chance to contribute to a greener future while advancing your career.
Contact Details:
The Green Recruitment Company Recruitment Team
