Mobile High Voltage Test Engineer - Field Service

Hitachi Energy Ltd.; Earth City (MO); On-site; USD 106,000 - 159,000; Full time

Job summary

Hitachi Energy USA INC is seeking a High Voltage Test Engineer based in Earth City, Missouri. The role conducts high voltage testing, supports transformer service operations, and ensures accurate testing of transformer equipment at customer sites.

You will operate mobile test systems, analyze test results, develop corrective actions for partial discharge sources, and prepare technical reports. Strong knowledge of IEEE/IEC/NEMA standards and willingness to travel are required.

Qualifications

• Candidate must have work authorization to work 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 preferred.
• Willingness to travel; travel expectations vary by location (Earth City, MO 40–50%, remote 50–60%).

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.

Skills

Transformer testing

Field service operations

Partial discharge localization

Electrical test data analysis

Regulatory compliance

Willingness to travel

Engineering knowledge

Microsoft Office 365

Education

Bachelor's degree in engineering

Tools

Microsoft Office 365

Job description

Hitachi Energy USA INC is seeking a High Voltage Test Engineer based in Earth City, Missouri. The role conducts high voltage testing, supports transformer service operations, and ensures accurate testing of transformer equipment at customer sites.

You will operate mobile test systems, analyze test results, develop corrective actions for partial discharge sources, and prepare technical reports. Strong knowledge of IEEE/IEC/NEMA standards and willingness to travel are required.