Electrical Power Systems Engineer BESS

Job Summary

We begin with dreams. Dreams drive our motivation. Dreams are our future. The world's dreams, people's dreams, our dreams. Our passion creates ideas that make dreams come alive. Technology and products that were only dreams become reality. All for dreams. Dreams challenge and the Nidec-Group will continue to meet the challenge. For the world’s and people’s tomorrows; the world’s first, the world’s best technologies and products; we will continue our part in creating a better society. Nidec is the world’s leading manufacturer of electric motors, drives, and controls, powering nearly everything that spins and moves, from smartphones and household appliances to electric vehicles, factories, data centers, aircraft, and critical infrastructure. Founded in 1973 and headquartered in Kyoto, Japan, Nidec operates more than 300 group companies across 40+ countries, with over 100,000 employees worldwide. Rooted in Japanese craftsmanship and continuous improvement, we combine global capability with local expertise to solve complex challenges and keep the world moving.

Job Description

Role Overview The BESS Electrical Power Systems Engineer is an expert-level engineering professional responsible for the design, analysis, integration, and technical leadership of Battery Energy Storage System (BESS) and renewable energy solutions. Serving as a subject matter expert in power systems engineering, grid interconnection, and energy storage applications, this role leads complex engineering efforts involving power system analysis, system architecture development, and customer-facing technical support. Operating with a high degree of autonomy, the position collaborates with customers, utilities, EPCs, consultants, product management, and engineering teams to develop safe, reliable, and cost-effective energy storage solutions. Success in this role is demonstrated through technical excellence, successful project execution, strategic influence on energy storage and power system solutions, and the ability to solve complex technical challenges that support business growth, innovation, and long-term customer success.

Responsibilities and Duties

Technical Leadership & Engineering Execution

Lead the technical development, evaluation, and integration of utility-scale Battery Energy Storage System (BESS) solutions for utility, commercial, industrial, and renewable energy applications. Serve as the organization’s subject matter expert in power systems engineering, energy storage technologies, grid interconnection, and renewable energy integration. Provide technical expertise related to Battery Energy Storage Systems (BESS), power conversion systems (PCS), and grid-connected electrical infrastructure. Develop system architectures, one-line diagrams, equipment specifications, technical reports, and engineering documentation to support project execution. Evaluate emerging technologies, market trends, and engineering solutions to influence product strategy, future energy storage offerings, and business growth. Provide advanced technical guidance and engineering recommendations to internal and external stakeholders.

Power System Analysis & Design

Perform and review electrical studies including load flow, short circuit, protection coordination, arc flash, reliability, and system performance analyses. Analyze electrical system designs to ensure compliance with applicable electrical codes, utility requirements, industry standards, and customer specifications. Support utility interconnection activities and provide technical expertise related to grid compliance, system modeling, and electrical performance. Support interconnection studies and ensure compliance with utility, regional transmission organization, regulatory, and customer requirements. Identify technical risks, develop mitigation strategies, and implement engineering solutions to support project success. Resolve complex technical issues involving power systems, energy storage technologies, power conversion systems, and renewable energy applications.

Customer & Stakeholder Engagement

Serve as the primary technical resource for customers, utilities, EPCs, consultants, and internal stakeholders throughout project development and execution. Lead technical discussions, presentations, design reviews, and solution evaluations with customers, utilities, and external partners. Collaborate with product management, commercial teams, operations, and engineering groups to align technical solutions with customer and business objectives. Support proposal development, project planning, technical reviews, and strategic customer initiatives. Communicate complex technical concepts, risks, and recommendations to both technical and non‑technical audiences.

Project Support & Continuous Improvement

Support factory acceptance testing (FAT), site acceptance testing (SAT), commissioning, startup, and field support activities as required. Lead investigations and root cause analysis efforts to resolve engineering, operational, and customer issues. Provide technical coaching and guidance to engineers and cross‑functional teams. Drive continuous improvement initiatives to enhance system performance, quality, reliability, safety, and operational effectiveness. Support the development and refinement of engineering standards, methodologies, and technical processes within the organization.

Travel and Working Conditions

Domestic and international travel up to 25% to customer locations, project sites, manufacturing facilities, and company locations as required. Must be able to support commissioning activities, startup events, troubleshooting efforts, and customer project schedules that may require work outside of normal business hours, including occasional evenings or weekends. Must be able to work in both indoor and outdoor conditions and wear required PPE in accordance with facility and regulatory safety requirements.

Required Qualifications

Education & Experience Bachelor of Science degree in Electrical Engineering or a closely related engineering discipline. 8+ years of progressive experience in electrical power systems engineering, renewable energy, utility systems, battery energy storage systems (BESS), or related industries. Experience performing power system studies including load flow, short circuit, protection coordination, and arc flash analysis. Experience supporting utility interconnections and medium-or high-voltage electrical system design. Experience developing technical specifications, system architectures, engineering calculations, and project documentation. Demonstrated experience leading complex engineering projects and serving as a technical advisor to customers, utilities, and internal stakeholders. Advanced knowledge of electrical power generation, transmission, distribution, protection systems, and grid interconnection principles. Advanced understanding of Battery Energy Storage Systems (BESS), power conversion systems, renewable energy technologies, and grid-support applications. Proficiency with power system analysis software such as ETAP, SKM, EasyPower, PSCAD, PSS®E, or equivalent platforms. Strong knowledge of IEEE, NEC, NFPA, NERC, UL, and other applicable electrical codes, standards, and regulatory requirements. Ability to perform, interpret, and communicate complex electrical engineering analyses, models, and technical studies. Strong analytical, troubleshooting, root cause analysis, and technical decision‑making capabilities.

Preferred Qualifications

Education & Experience Master’s degree in Electrical Engineering or a closely related engineering discipline preferred. Professional Engineer (PE) license. Experience supporting utility-scale renewable energy or energy storage projects. Experience with distributed energy resources (DER), microgrids, or grid modernization initiatives. Knowledge of energy markets, grid services, and advanced energy management technologies. Experience working directly with utilities, EPC firms, consultants, and regulatory agencies.

Core Competencies

Demonstrates expert engineering judgment and problem‑solving skills when evaluating and resolving complex technical challenges. Applies strong technical acumen to interpret engineering drawings, electrical schematics, technical reports, and project documentation. Effectively influences technical decisions and collaborates across engineering, product management, operations, customers, utilities, and external stakeholders. Communicates complex technical concepts clearly to both technical and non‑technical audiences. Balances technical, operational, commercial, and customer requirements when developing engineering solutions. Drives innovation, continuous improvement, and technical excellence through proactive evaluation of emerging technologies and best practices. Maintains a strong commitment to safety, quality, reliability, and regulatory compliance.

Additional Job Details

Equal Employment Opportunity and Aff…Nidec is an Equal Employment Opportunity (EEO) and Aff…All qualified applicants receive consideration for employment without regard to their age, gender, gender identity, sexual orientation, race, color, genetic information, religious creed, national origin, physical or mental disability, protected veteran status, or any other characteristic protected by law. For more information regarding your (EEO) rights as an applicant, please visit the following website:

Work Shift Schedule

No Soliciting Nidec will not accept unsolicited resumes from individual recruiters or third party recruiting agencies in response to Nidec job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers. Pre-approval from the Nidec Talent Acquisition team is required before any external candidate can be submitted and such candidate must be submitted to the Nidec Talent Acquisition team.

Company Overview

Nidec has worked its way up to become the world's No.1 manufacturer of small precision motors. In the process, Nidec has gradually expanded its product lineup to include a variety of small to large motors, application products for machinery, and electronic and optical components. At present, its products are used in a wide range of fields and devices including information and telecommunications equipment, office equipment, home appliances, automobiles, industrial equipment, and environmental energy. "For Everything that Spins and Moves", the Group is creating next‑generation drive technologies to meet the needs of the society.