Senior Auxiliary Power Systems Engineer

Hitachi Automotive Systems Americas, Inc.; Raleigh (NC); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health coverage

401(k) with company match

Paid time off

Tuition reimbursement

Parental leave

Job summary

Hitachi Energy USA Inc. is seeking a Senior Auxiliary Power Systems Engineer in Raleigh, NC to design and validate MV/LV auxiliary power systems for grid solutions. You will perform ETAP studies, coordinate with project teams, and ensure compliance with IEEE/NEC standards.

The role involves developing DC systems, creating SLDs, and supporting project delivery from specification to commissioning. A strong engineering background and hands-on design experience are required.

Qualifications

• Bachelor’s, Master’s, or Ph.D. in Electrical Engineering with 5+ years of relevant electrical engineering experience.
• 5+ years applying NEC and ANSI/IEEE standards, with strong MV/LV auxiliary power system design knowledge.
• Experience with power system studies, including protection, cable sizing, and equipment coordination.
• ETAP proficiency strongly preferred; Aspen or SKM experience may also be considered.

Responsibilities

• Design MV/LV auxiliary distribution systems, including diesel generators, AC/DC panels, batteries, chargers, transfer switches, voltage stabilizers, SSVTs, circuit breakers, UPS, and related components.
• Perform ETAP power system studies, including arc flash analysis, to support MCCB, cable, protective relay, and equipment sizing in accordance with IEEE and NFPA standards.
• Develop DC auxiliary power systems, including battery banks, chargers, distribution panels, and protection schemes.
• Prepare SLDs, feeder load lists, material estimates, and LV/MV cable sizing.
• Support project delivery through auxiliary power equipment specifications, supplier drawing reviews, FAT, cable routing/design, installation supervision, and commissioning support.
• Coordinate with project teams to confirm required solution updates and support delivery needs.
• Improve processes based on project experience and maintain North American engineering standards, templates, and best practices.
• Promote safety, integrity, collaboration, continuous improvement, and compliance with internal and external regulations, procedures, and guidelines.

Skills

Electrical engineering

Power systems design

Standards compliance

Technical documentation

Education

Bachelor’s/Master’s/PhD in Electrical Engineering

Tools

ETAP

Aspen

SKM

Job description

Location: Raleigh, North Carolina, United States Job ID: R0140211 Date Posted: 2026-08-21 Company Name: HITACHI ENERGY USA INC Profession (Job Category): Engineering & Science Job Schedule: Full time Remote: No

Job Description: The Opportunity Are you ready to help shape the future of sustainable energy? Hitachi Energy is looking for a Senior Auxiliary Power Systems Engineer to join our North America Grid Integration Business Unit and support the continued growth of our Grid and Power Quality Solutions and Services (GPQSS) team. This is an exciting opportunity to work with Flexible AC Transmission Systems (FACTS) technology, an innovative solution that helps utilities and power system operators increase grid capacity, improve system stability, and accelerate the energy transition. By enabling more efficient use of existing infrastructure, FACTS solutions help deliver reliable power while reducing environmental impact and optimizing investment costs.

How You'll Make an Impact

• Design MV/LV auxiliary distribution systems, including diesel generators, AC/DC panels, batteries, chargers, transfer switches, voltage stabilizers, SSVTs, circuit breakers, UPS, and related components.


• Perform ETAP power system studies, including arc flash analysis, to support MCCB, cable, protective relay, and equipment sizing in accordance with IEEE and NFPA standards.


• Develop DC auxiliary power systems, including battery banks, chargers, distribution panels, and protection schemes.


• Apply engineering design principles and applicable technical standards to prepare SLDs, feeder load lists, material estimates, and LV/MV cable sizing.


• Support project delivery through auxiliary power equipment specifications, supplier drawing reviews, FAT, cable routing/design, installation supervision, and commissioning support.


• Coordinate with project teams to confirm required solution updates and support delivery needs.


• Improve processes based on project experience and maintain North American engineering standards, templates, and best practices.


• Promote safety, integrity, collaboration, continuous improvement, and compliance with internal and external regulations, procedures, and guidelines.

Your Background

Bachelor’s, Master’s, or Ph.D. in Electrical Engineering with 5+ years of relevant electrical engineering experience. 5+ years applying NEC and ANSI/IEEE standards, with strong MV/LV auxiliary power system design knowledge. Experience with power system studies, including protection, cable sizing, and equipment coordination. ETAP proficiency strongly preferred; Aspen or SKM experience may also be considered. Knowledge of FACTS technology or HV transmission substation solutions preferred. Must be authorized to work in the United States without current or future employer sponsorship.

What We Offer

• Comprehensive Health Coverage – Medical, dental, vision, and prescription plans.


• Retirement Savings – 401(k) with company match and additional company contributions.


• Paid Time Off – Flexible PTO and paid holidays.


• Professional Growth – Tuition reimbursement and continuous learning opportunities.


• Family Support – Parental leave, adoption assistance, and fertility benefits.

More About Us

Join a global technology leader advancing a sustainable energy future for generations to come. Collaborate with talented colleagues on innovative projects that help power homes, schools, hospitals, and industries around the world. Grow your career in an inclusive environment where learning, development, diversity, and collaboration drive innovation and success.

Background Screening and Security Checks

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws. For certain roles, particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions, additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position. The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.

Equal Employment Opportunity (EEO)-Females/Minorities/Protected Veterans/Individuals with Disabilities Equal Employment Opportunity

Hitachi is an Equal Employment Opportunity (EEO) employer. We welcome applications from all qualified individuals, including females, minorities, protected veterans, and individuals with disabilities.

Accessibility and reasonable accommodation

Protected veterans and qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process. This accommodation channel is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Hitachi brings together the world’s greatest minds to help breathe life into new possibilities – and drive innovation for a better future. That’s why we look for individuals who share our pioneering spirit, have imaginative ideas and are fearless when it comes to tackling the world’s biggest challenges. Our people love technology – and they love making a difference. They have a passion for finding new solutions and working with brilliant colleagues. Every day they dedicate themselves to a huge range of exciting projects, contributing to the Hitachi vision around the globe. From engineering new sustainability solutions that conserve water and energy to creating the infrastructure for the smart cities of tomorrow, there’s no challenge too great for our pioneers. And there’s no shortage of opportunities for you to make a difference. Come and experience the dynamic, collaborative and creative environments where your ideas are welcome and new discoveries are waiting. To help you grow to your full potential, we strive to support our employees in their career aspirations and promote the freedom to explore new horizons.

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