Senior BESS Engineer

Job Summary:

The Senior BESS Engineer provides technical leadership and subject-matter expertise for battery energy storage projects across utility-scale and commercial markets. This role is responsible for independent engineering judgment, client advisory support, and mentoring/training junior engineers, while ensuring designs meet regulatory, safety, and performance requirements. This position works closely with clients, utilities, EPCs, OEMs, and internal multi-disciplinary teams to deliver high-quality, compliant, and constructible BESS solutions.

What you'll do:

• Act as a trusted advisor to clients, providing engineering recommendations, risk assessments, and design alternatives
• Lead the design of utility-scale and/or C&I BESS including batteries, PCS/inverters, MV/LV equipment, transformers, protection, grounding, and auxiliary systems
• Develop and review one-line diagrams, layouts, control schematics, grounding plans, and specifications
• Support interconnection applications, utility coordination, and technical negotiations
• Evaluate battery performance, degradation, thermal behavior, and system lifecycle considerations
• Review OEM and EPC technical submittals, compliance matrices, and FAT/SAT documentation
• Ensure compliance with NEC, NFPA 855, UL 9540 / 9540A, IEEE, IEC, and AHJ requirements
• Support fire protection coordination, hazard mitigation strategies, and safety narratives
• Participate in or lead technical risk reviews and HAZOP-style assessments
• Support RFP responses, proposals, and engineering cost estimates
• Coordinate across civil, structural, protection & controls, and SCADA disciplines

What We Offer:

• A supportive and inclusive work environment that values diversity and encourages innovation.
• Opportunities for professional growth and career development.
• Competitive salary and comprehensive benefits package, including generous paid time off, 401(k) with company match, tuition reimbursement, and flexible work schedules.
• This position pays between $100K and $150K annually and is an exempt position. Benefits offered include company-sponsored medical, dental, vision, and 401(k) plan with company match. Also offered are tuition reimbursement, voluntary life, disability, critical illness, accident and hospitalization plans. HSA or FSA medical accounts and FSA dependent care and transportation/parking accounts are also available. These benefits are subject to employee contribution amounts generally set annually. Full-time employees are eligible to earn PTO hours. May be eligible for discretionary bonus as determined by the company.

Minimum Qualifications:

• 7-12+ years of electrical or power engineering experience
• 5+ years of direct experience with BESS, renewables, or utility-scale power projects
• Experience working in an engineering consulting, EPC, or utility advisory role
• Strong knowledge of medium- and high-voltage systems and substation-connected assets
• Proven experience with battery technologies (e.g., Li-ion / LFP), PCS, EMS, and protection systems
• Proficiency with tools such as ETAP, SKM, PSCAD, PowerWorld, AutoCAD, or equivalent

Why Join Us?

At ENTRUST Solutions Group, we are a community of over 3,000 dedicated professionals committed to our clients and each other. As an ENR Top 100 company, we provide comprehensive engineering, consulting, and automation services to various industries, including gas and electric utilities, telecommunication service providers, pipeline operators, and industrial companies. We are a forward-thinking organization dedicated to leveraging cutting-edge technology to drive success. We are committed to fostering a culture of innovation and continuous improvement.

We believe in fostering a culture of inclusivity and respect, where everyone feels valued and empowered to contribute their unique perspectives. If you are passionate about our industry and looking for a place to grow your career, we would love to hear from you!

Explore More Opportunities:

Not quite the right fit? Check out all our openings at ENTRUST Solutions Group Careers.

To learn more about ENTRUST Benefits and Culture, please visit our company LinkedIn page and follow us at: ;br>
ENTRUST Solutions Group is proud to be an Equal Employment Opportunity employer. We celebrate diversity and do not discriminate based on race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability status, or any other applicable characteristics protected by law.

Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. ENTRUST does not accept unsolicited headhunter or agency resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with ENTRUST Solutions Group.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.