Lead BESS Engineer – Utility-Scale Energy Storage

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 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