BESS Technical Lead — Tender & Delivery Expert

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 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