Energy Storage Engineer

Position

Energy Storage Engineer II

Location

Bloomington, Minnesota (HQ)

About Us

Geronimo Power develops, owns, and operates large-scale power and affiliated digital infrastructure projects throughout America's Heartland, including solar, wind, energy storage, and powered data parks. As a farmer-founded and community-focused business, Geronimo Power equips landowners and rural communities with sustainable revenue to ignite local economic growth. To learn more about Geronimo Power, visit or follow the company on LinkedIn.

About This Role

Geronimo Power is seeking an Energy Storage Engineer II to support a growing portfolio of utility-scale battery energy storage system (BESS) projects. This position contributes to engineering activities across the project lifecycle, including development, design, interconnection, procurement, construction, commissioning, operations, and continuous improvement.

Working with guidance from senior engineers and cross-functional partners, the Energy Storage Engineer II reviews technical information, coordinates assigned engineering activities, supports issue resolution, and helps ensure BESS projects meet safety, performance, quality, schedule, and contractual requirements.

Responsibilities

• Support BESS engineering activities across development, design, interconnection, procurement, construction, commissioning, operations, and asset improvement.
• Review technical drawings, calculations, specifications, studies, submittals, and vendor documentation for assigned projects; identify comments, gaps, and inconsistencies for resolution.
• Assist with evaluation of BESS equipment and systems, including battery enclosures, battery management systems, power conversion systems, medium-voltage collection systems, transformers, protection and controls, plant controllers, energy management systems, SCADA, communications, auxiliary systems, and balance of plant.
• Contribute to conceptual design, equipment sizing, performance evaluation, degradation and augmentation reviews, availability assessments, and development of project technical requirements.
• Coordinate assigned technical interfaces among suppliers, EPC contractors, engineering consultants, utilities, construction teams, commissioning teams, operations personnel, and internal stakeholders.
• Support preparation and review of technical scopes, bid documents, equipment specifications, contract exhibits, vendor evaluations, and responses to technical questions.
• Maintain engineering documentation, action logs, design comments, technical decisions, and project records in an accurate and timely manner.
• Provide engineering support during construction, factory and site acceptance testing, energization, commissioning, performance testing, turnover, and early operations.
• Help analyze test results, alarms, operating data, equipment issues, and project performance; document findings and support corrective actions and root-cause reviews.
• Apply applicable codes, standards, listing requirements, utility criteria, and company procedures related to BESS safety, fire protection, controls, commissioning, and grid interconnection.
• Contribute to engineering standards, specifications, checklists, lessons learned, and process improvements under the direction of senior engineering staff.
• Communicate technical information, risks, status, and recommendations clearly to project teams and stakeholders.
• Travel up to 15% based on project needs, including travel to project sites, supplier facilities, offices, and industry events.
• Perform other duties as assigned.

What You’ll Bring

Required Qualifications

• Bachelor's degree in electrical engineering or another relevant engineering discipline, or an equivalent combination of education and directly applicable experience.

• Typically, two or more years of engineering experience in battery energy storage, renewable energy, utility-scale power generation, substations, transmission or distribution, power conversion, controls, commissioning, operations, equipment manufacturing, or EPC execution.

• Working knowledge of engineering principles and the ability to review technical drawings, specifications, calculations, studies, and equipment documentation.

• Ability to analyze technical information, identify issues, document conclusions, and complete assigned work with moderate guidance.

• Strong organizational, written, and verbal communication skills.

• Ability to collaborate with cross-functional teams, external partners, and senior technical staff while managing multiple assignments.

• Commitment to safe, ethical, accurate, and high-quality work.

Preferred Qualifications

• Experience supporting utility-scale BESS, renewable energy, power systems, substation, controls, commissioning, or related infrastructure projects.

• Familiarity with battery systems, BMS, PCS/inverters, plant controls, EMS, SCADA, protection and controls, communications, medium-voltage systems, or high-voltage interconnection.

• Exposure to BESS safety and compliance topics, including fire protection, emergency response, NFPA 855, UL 9540, or UL 9540A.

• Experience working with equipment manufacturers, EPC contractors, engineering firms, utilities, or independent system operators.

• Experience preparing or reviewing technical specifications, design packages, submittals, test plans, commissioning procedures, or turnover documentation.

• Engineer-in-Training certification or progress toward certification.

Success in This Role Looks Like

• Assigned engineering reviews and deliverables are accurate, complete, timely, and clearly documented.

• Technical questions, risks, and interface issues are identified early and elevated with appropriate supporting information.

• Project teams receive responsive and practical engineering support through design, construction, commissioning, and turnover.

• Technical data and project information are organized into clear findings, recommendations, and follow-up actions.

• Internal teams and external partners remain aligned on assigned technical requirements and decisions.

• Knowledge of BESS systems, standards, and project execution continues to grow through experience, feedback, and lessons learned.

What You’ll Get

• Competitive compensation and performance-based incentives
• 401(k) retirement plan
• Comprehensive health, dental, and vision coverage
• Paid time off and holidays
• Tuition assistance and ongoing professional development
• Employee assistance program (EAP) and wellness resources
• Pet insurance and employee discount programs

Pay Range for the posted level: $110,000 - $135,000 plus target annual bonus opportunity of 15%. Actual compensation may vary based on experience, skills, and demonstrated market-relevant expertise

Our Commitment

Geronimo Power is committed to building a diverse, inclusive, and high-performing workplace where employees feel valued, supported, and energized to do their best work. We believe strong teams and strong communities drive better outcomes.

We are proud to be an Equal Opportunity Employer and provide equal employment opportunities to all qualified applicants.