Technical Lead

Mint Selection | B Corp; United Kingdom; On-site; GBP 90,000 - 130,000; Full time

Job summary

Mint Selection partnered with a leading UK energy organisation to recruit an experienced BESS Technical Lead for a major battery energy storage project. The role owns the technical workstream from bidder clarifications to tender evaluation, contract negotiation and award, ensuring robust technical outcomes.

The successful candidate will have significant utility-scale BESS experience, lead the Employer's Requirements and technical specs, and coordinate cross-functional input to drive successful

Qualifications

• Degree in Electrical Engineering, Power Systems, Energy Engineering or related field.
• Significant experience on utility-scale BESS projects.
• Led or supported major BESS tender/procurement from spec to award.
• Strong knowledge of lithium-ion battery tech, PCS/inverters, EMS/SCADA, MV/HV systems.
• Experience preparing Employer's Requirements, technical specs and tender eval docs.
• Understanding of BESS performance: capacity, efficiency, degradation, augmentation, availability.

Responsibilities

• Act as the principal technical contact through the BESS tender and procurement process.
• Develop and finalise Employer's Requirements and technical specs for the BESS package.
• Manage technical clarifications and coordinate discussions with bidders and stakeholders.
• Lead technical evaluation of tender submissions and perform compliance reviews.
• Review battery tech, PCS/inverters, EMS/SCADA, MV/HV interfaces and balance-of-plant requirements.
• Assess system performance: capacity, efficiency, degradation, augmentation.
• Review safety, fire, certifications, and product approvals.
• Evaluate supplier capability, track record, manufacturing capacity, delivery programme.
• Translate technical risks into contract terms, warranties, and testing requirements.
• Support negotiations on supply, installation and long-term service agreements.
• Coordinate technical input across engineering, grid, planning, legal and finance.
• Prepare evaluation reports and recommendations for senior stakeholders.
• Support handover of awarded package into delivery and construction.

Skills

Electrical engineering

Power systems

Energy storage

Tender management

Stakeholder management

Education

Bachelor's degree in Electrical Engineering

Tools

EMS/SCADA

PCS/inverters

Grid interface design

Job description

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.