Technical Lead

Mint Selection | B Corp; Greater London; Hybrid; GBP 90,000 - 125,000; Full time

Job summary

Mint Selection | B Corp is partnering with a leading energy sector organisation to recruit an experienced BESS Technical Lead for a major UK battery energy storage project in London. The role will own the technical workstream from requirements through to tender award and long-term service considerations.

You will oversee development of Employer’s Requirements, lead bid clarifications, evaluate technical submissions and coordinate multi-disciplinary inputs to secure an optimal contract outcome.

Qualifications

• Experience on utility-scale BESS projects and tenders.
• Ability to develop Employer’s Requirements and technical specs.
• Knowledge of lithium-ion battery tech, PCS/inverters, EMS/SCADA.
• Familiarity with grid connection interfaces and MV/HV systems.
• Experience evaluating bids and drafting contractual protections.

Responsibilities

• Act as the principal technical point of contact during BESS tender.
• Develop and finalise technical specs and Employer’s Requirements.
• Coordinate clarifications and technical discussions with bidders.
• Lead technical evaluation and compare proposed solutions.
• Review safety, performance, and certification standards.
• Assess supplier capability and delivery programme.
• Translate risks into contract terms and warranties.
• Support negotiations on long-term service agreements.
• Coordinate input from engineering, grid, plan, legal and finance.
• Prepare evaluation reports and recommendations for stakeholders.
• Support handover to delivery and construction phases.

Skills

Tender/procurement leadership

Technical evaluation

Stakeholder management

Communication

Contract risk awareness

Education

Electrical Engineering / Power Systems degree

Energy Engineering background

Job description

Role – Technical Lead

Location – London / Hybrid Working

Mint Selection are partnered with a leading organisation within the energy sector to recruit an experienced BESS Technical Lead for a major UK battery energy storage project.

The position will take ownership of the technical workstream throughout a competitive BESS procurement process, from developing the technical requirements and managing bidder clarifications through to tender evaluation, contract negotiation and award.

This is an excellent opportunity for an experienced battery storage professional to play a key role in the development of a significant UK energy infrastructure project.

Key Responsibilities

• Act as the principal technical point of contact throughout the BESS tender and procurement process.
• Develop and finalise the Employer’s Requirements and technical specifications for the BESS package.
• Manage technical clarifications and coordinate technical discussions with bidders and project stakeholders.
• Lead the technical evaluation of tender submissions, including compliance reviews, deviation assessments and comparison of proposed solutions.
• Review battery technology, PCS/inverters, EMS/SCADA, MV/HV systems, grid connection interfaces and balance-of-plant requirements.
• Assess proposed system performance, including capacity, efficiency, availability, degradation and augmentation.
• Review technical proposals relating to thermal management, fire safety, system controls and product certification.
• Evaluate supplier capability, technical track record, manufacturing capacity, supply chain and proposed delivery programme.
• Translate technical risks into appropriate contract terms, warranties, performance guarantees and testing requirements.
• Support negotiations relating to the BESS supply, installation and long-term service agreements.
• Coordinate technical input from engineering, grid, HSE, planning, commercial, legal and finance stakeholders.
• Prepare technical evaluation reports and provide clear recommendations to senior project stakeholders.
• Support the handover of the awarded package into the delivery and construction phase.

Experience Required

• Degree-qualified in Electrical Engineering, Power Systems, Energy Engineering or a closely related discipline.
• Significant experience working on utility-scale BESS projects.
• Demonstrable experience leading or supporting a major BESS tender or procurement process from specification through to contract award.
• Strong technical knowledge of lithium-ion battery technology, PCS/inverters, EMS/SCADA, MV/HV systems and grid-connected infrastructure.
• Experience preparing Employer’s Requirements, technical specifications and tender evaluation documentation.
• Strong understanding of BESS performance requirements, including capacity, efficiency, degradation, augmentation, availability and testing.
• Experience assessing proposals from established BESS OEMs and system integrators.
• Knowledge of relevant BESS safety, fire and product certification standards.
• Experience with technical due diligence, owner’s engineering or developer-side project delivery would be highly advantageous.
• Experience reviewing BESS supply agreements, EPC contracts, warranties and long-term service agreements would be beneficial.
• Strong commercial awareness with the ability to translate technical risks into contractual protections.
• Excellent communication and stakeholder-management skills.