BESS Engineering Lead

Acre; Town of Texas (WI); On-site; USD 120,000 - 170,000; Full time

Job summary

Acre is seeking an experienced electrical engineer to provide technical leadership for utility-scale battery energy storage projects across development, procurement, delivery and operations. You will evaluate BESS sizing, performance, degradation, and integration with EMS, SCADA, and safety systems to maximize long-term value.

In this role you will lead technical due diligence, review engineering deliverables and specifications, support procurement and commissioning, and manage external

Qualifications

• Bachelor's degree in Electrical, Mechanical, Chemical, Energy, or related engineering discipline.
• 8+ years of engineering experience on utility-scale BESS projects across design, procurement, construction, commissioning, or operations.
• Strong knowledge of BESS architecture including battery systems, BMS, PCS, EMS, plant controls, SCADA, thermal management, and safety systems.
• Ability to evaluate BESS sizing, usable energy, efficiency, degradation, augmentation, operating limits, and end-of-life performance.
• Experience developing or reviewing BESS technical specs, performance models, equipment designs, testing requirements, warranties, and performance guarantees.
• Experience supporting BESS supplier or integrator selection, procurement, EPC evaluations, contract negotiations, and multidisciplinary design reviews.
• Working knowledge of NFPA 855, UL 9540/9540A, and relevant electrical and fire codes.
• Strong technical and commercial judgment with ability to manage consultants, suppliers, and cross-functional stakeholders.

Responsibilities

• Provide technical leadership for utility-scale battery energy storage projects across development, procurement, delivery, and operations.
• Support technology selection, system architecture reviews, and equipment evaluation to optimize performance and long-term value.
• Lead technical due diligence including assessment of design approaches, performance assumptions, operations requirements, and risks.
• Review and evaluate engineering deliverables, technical specs, equipment proposals, performance models, and project documentation.
• Support sizing, operational performance, energy capacity, efficiency, degradation, augmentation strategies, and lifecycle considerations.
• Collaborate with internal teams and external stakeholders to align engineering with commercial, procurement, construction, and operations.
• Support equipment procurement processes, technical bid evaluations, vendor selection, and contract reviews.
• Identify and communicate technical, commercial, and operational risks impacting project execution or long-term performance.
• Review project compliance with applicable standards and project-specific performance objectives.
• Support testing, commissioning, performance validation, and project handover activities.
• Manage external consultants and advisors; contribute to continuous improvements of processes, standards, and best practices.
• Provide technical guidance to stakeholders to support investment, acquisitions, and project development decisions.

Skills

BESS design

BESS integration

engineering lifecycle

vendor management

due diligence

engineering review

safety standards

cross-functional

Education

Bachelor's in Electrical Eng.

Tools

ETAP

PSCAD

PSSE

PowerFactory

Python

MATLAB

SQL

Job description

Acre is partnered with a leading global independent power producer, supporting its growth and transformation as it accelerates the transition to a lower-carbon energy portfolio. Operating across multiple international markets, the company is expanding its renewable energy footprint while delivering reliable power and energy management solutions.

This role is perfect for you if you have:

• Experience with both standalone BESS and co-located renewable energy projects.
• Experience working for a developer, owner/operator, utility, EPC contractor, engineering consultancy, systems integrator, or equipment manufacturer.
• Experience evaluating battery performance, degradation, augmentation strategies, advanced inverter technologies, or grid integration considerations.
• Experience supporting project testing, commissioning, operational performance reviews, warranty management, or technical issue resolution.
• Experience supporting acquisitions, financing diligence, insurer reviews, or investment evaluations.
• Familiarity with electrical analysis, modeling, and data analytics tools such as ETAP, PSCAD, PSSE, PowerFactory, Python, MATLAB, or SQL.
• Professional Engineer (PE) licensure or an advanced degree in a relevant discipline.

In this role, you will:

• Provide technical leadership for utility-scale battery energy storage projects throughout the development, procurement, delivery, and operational lifecycle.
• Support technology selection, system architecture reviews, and equipment evaluation to optimize project performance, reliability, and long-term value.
• Lead technical due diligence activities, including assessment of design approaches, performance assumptions, operational requirements, and project risks.
• Review and evaluate engineering deliverables, technical specifications, equipment proposals, performance models, and project documentation.
• Support the assessment of system sizing, operational performance, energy capacity, efficiency, degradation, augmentation strategies, and lifecycle considerations.
• Collaborate with internal teams and external stakeholders to ensure alignment across engineering, commercial, procurement, construction, and operations activities.
• Support equipment procurement processes, technical bid evaluations, vendor selection, and contract reviews.
• Identify, assess, and communicate technical, commercial, and operational risks that may impact project execution or long-term performance.
• Review project compliance with applicable industry standards, safety requirements, and project-specific performance objectives.
• Support testing, commissioning, performance validation, and project handover activities.
• Manage external consultants and technical advisors while contributing to continuous improvement of engineering processes, standards, and best practices.
• Provide technical guidance to stakeholders and support investment, acquisition, financing, and project development decisions.

Qualifications and Experience

• Bachelor's degree in Electrical, Mechanical, Chemical, Energy, or a related engineering discipline.
• 8+ years of relevant engineering experience, including direct experience with utility-scale BESS projects across design, procurement, construction, commissioning, or operations.
• Strong knowledge of BESS architecture and integration, including battery systems, BMS, PCS, medium-voltage equipment, EMS, plant controls, SCADA, thermal management, and safety systems.
• Ability to evaluate BESS sizing, usable energy, efficiency, auxiliary consumption, availability, degradation, augmentation, operating limitations, and end-of-life performance.
• Experience developing or reviewing BESS technical specifications, performance models, equipment designs, testing requirements, warranties, and performance guarantees.
• Experience supporting BESS supplier or integrator selection, equipment procurement, EPC evaluations, contract negotiations, and multidisciplinary design reviews.
• Working knowledge of BESS safety requirements and standards, including NFPA 855, UL 9540, UL 9540A, and applicable electrical and fire codes.
• Strong technical and commercial judgment, with the ability to effectively manage consultants, suppliers, and cross-functional stakeholders.