Energy Storage Electrical Engineer (III/IV)

Mortenson Construction

Minneapolis (MN)

On-site

USD 99,000 - 133,000

Full time

9 days ago

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Benefits offered by this job

Medical plan

Dental plan

401k match

Paid time off

Life insurance

Disability insurance

Mental health resources

Tuition reimbursement

Adoption assistance

Gym membership

Job summary

Mortenson Construction is seeking an Energy Storage Electrical Application Engineer at Engineer III/IV level in Minneapolis, MN. This role provides early-stage design support for utility-scale battery storage projects and partners with project management, supply chain, design, construction, and commissioning to ensure safe, compliant, and cost-effective solutions.

You will lead technical evaluations, develop equipment specs, review vendor submittals, and support field execution across the

Qualifications

Bachelor's degree in Electrical Engineering or related discipline.
4+ years of relevant electrical and/or power engineering experience (Energy Storage preferred).
Ability to independently lead technical reviews and drive issue resolution across multiple stakeholders.
EIT or PE license preferred.

Responsibilities

Serve as the technical subject matter expert for battery energy storage systems (BESS), providing engineering support throughout the full project lifecycle from early development and technology selection through design, procurement, construction, commissioning, turnover, and operations.
Lead technical evaluations and due diligence for battery energy storage technologies, systems, equipment, and vendors, including feasibility assessments, technology comparisons, preliminary system sizing and engineering calculations, site-specific considerations, and identification of technical risks to support design development, technical discussions, and project decision-making.
Develop and maintain technical equipment specifications for battery energy storage projects, including ATS, LV switchboards, MV switchgear, transformers, generators, AC distribution panels, power conversion systems (PCS), and control houses, ensuring alignment with project requirements, design standards, applicable codes, and operational needs.
Support Supply Chain with technical reviews for strategic sourcing, vendor qualification, equipment standardization, bid evaluations, technical clarifications, and supplier selection.
Identify and resolve technical risks, design gaps, equipment interface issues, and constructability concerns throughout project development and execution.
Provide engineering support during construction, including responses to RFIs, review of field changes, vendor coordination, technical issue resolution, and verification that installations align with approved design requirements.
Review vendor proposals, equipment submittals, drawings, calculations, technical data sheets, and compliance documentation to verify alignment with project requirements, applicable codes, and internal engineering standards.
Ensure energy storage systems comply with applicable codes, standards, utility requirements, and safety practices, including requirements related to electrical systems, battery safety, fire protection, controls, and system integration.
Drive continuous improvement and standardization across the energy storage portfolio by identifying opportunities to simplify designs, reduce technical risk, improve constructability, increase reliability, and optimize total lifecycle cost.