Hitachi America

High Voltage (HV) Test Engineer - Transfomers

Hitachi America$105K — $158K *
Energy & Utilities
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor’s degree in engineering or related field with 5+ years of experience, or a combination of studies and 10+ years of transformer experience.
  • Experience performing transformer testing and supporting field service operations.
  • Knowledge of IEEE, IEC, and NEMA industry standards.
  • Experience using Microsoft Office 365 and preparing technical reports.
  • Hands-on experience performing low voltage testing such as winding resistance, turns ratio, excitation, and power factor is preferred.
  • Must have work authorization to work in the U.S.
  • Willingness to travel 40%-60% based on location.

Responsibilities

  • Set up and operate a mobile high voltage test trailer system.
  • Perform applied voltage, induced voltage, partial discharge localization, and temperature rise testing.
  • Investigate potential sources of partial discharge and develop corrective action plans.
  • Analyze electrical test data and oil DGA results.
  • Calibrate testing equipment.
  • Maintain the electrical and electronic components of the mobile test system.
  • Prepare technical test reports and test plans in support of proposal activities.
  • Provide technical support to field crews and communicate with customers.
  • Ensure compliance with applicable external and internal regulations, procedures, and guidelines.

Benefits

  • Opportunity to work on innovative energy technologies.
  • Collaboration with experienced professionals.
  • Access to learning and development opportunities.
  • Participation in health and retirement benefits.
  • Paid leave and flexibility programs.
Full Job Description

Location:

Earth City, Missouri, United States

Job ID:

Date Posted:

2026-09-08

Company Name:

HITACHI ENERGY USA INC

Profession (Job Category):

Engineering & Science

Job Schedule: 

Full time

Remote:

No

Job Description:

The Opportunity

The High Voltage Test Engineer supports Transformer Services operations by performing high voltage testing activities at customer sites and supporting technical field operations. Based in Earth City, Missouri, this role is responsible for operating mobile high voltage test equipment, conducting electrical tests, evaluating test results, and supporting transformer service activities. The position involves identifying sources of partial discharge, developing corrective action plans, analyzing electrical test and oil DGA data, maintaining test systems, and preparing technical reports. Working closely with customers, field crews, and engineering teams, you will help ensure the accurate assessment and testing of transformer equipment that supports reliable power system operation.

How You’ll Make an Impact

  • Set up and operate a mobile high voltage test trailer system.

  • Perform applied voltage, induced voltage, partial discharge localization, and temperature rise testing.

  • Investigate potential sources of partial discharge and develop corrective action plans.

  • Analyze electrical test data and oil DGA results.

  • Calibrate testing equipment.

  • Maintain the electrical and electronic components of the mobile test system.

  • Prepare technical test reports and test plans in support of proposal activities.

  • Provide technical support to field crews and communicate with customers.

  • Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines.

Your Background

  • Candidate must already have work authorization that would permit them to work for Hitachi Energy in the United States.

  • Bachelor’s degree in engineering or related field with five or more years of experience, or a combination of studies and ten years or more of transformer experience.

  • Experience performing transformer testing and supporting field service operations.

  • Knowledge of IEEE, IEC, and NEMA industry standards.

  • Experience using Microsoft Office 365 and preparing technical reports.

  • Hands-on experience performing low voltage testing such as winding resistance, turns ratio, excitation, and power factor is preferred.

  • Willingness to travel. If based Earth City, MO travel expectations are 40%-50%, If based remote, travel expectations between 50%-60%.

More About Us

This role offers the opportunity to work directly with engineering and field service teams while gaining exposure to transformer testing and service activities across customer sites.

  • Work on innovative energy technologies.

  • Collaborate with experienced professionals.

  • Access learning and development opportunities.

  • Participate in health and retirement benefits.

  • Benefit from paid leave and flexibility programs.

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Pay Disclosure (California Applicants Only): The total base pay range for the High Voltage Test Engineer position is $105,800 - $158,600. This pay scale reflects the amount the company reasonably expects to offer for this role in California, in accordance with California Labor Code 432.3.

About Hitachi America

Hitachi America is a subsidiary of Hitachi, Ltd., a Japanese multinational conglomerate. They provide a wide range of products and services, including information technology, power systems, and social infrastructure. They work with clients in a variety of industries, including healthcare, transportation, and finance. They are committed to sustainability and social responsibility, and have implemented various initiatives to reduce their environmental impact.
Learn more about Hitachi America
Size
368,247 employees
Industry
Founded
1959
NASDAQ

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