Test technician Jobs in St Louis, MO

Overview

Field Service Test Technician

For over 15 years, North American Substation Services (NASS) has successfully maintained a staff of highly trained technicians and engineers, offering complete installation, repair & maintenance services of electrical power systems and equipment from low voltage through extra high voltage.

NASS is a market-leading expert independent provider of installation, repair, and maintenance services to mission critical high voltage substation equipment throughout the United States. Whether you are just starting out in electrical construction at the entry level or if you have testing experience and commissioning in utility substations, we want to hear from you!

Interested in joining our team?

We are seeking experienced Transformer Field Service Test Technicians to join our growing team. If you have hands-on experience with transformer electrical testing, commissioning, and outage maintenance , or you’re looking to advance your career in high-voltage substation services , this is the opportunity for you!

Why Join NASS?

Competitive pay with overtime opportunities

Career advancement and professional development

Comprehensive benefits package

401(k) with company match

Paid time off and holidays

Strong safety culture and training programs

Nationwide travel with per diem.

Position Details :

This position is responsible for substation testing and assist with overseeing testing projects, training, evaluating, and mentoring entry level test technicians as well as reviewing substation test results as well as analyzing and advising test data collection activities.

Responsibilities

Leader in Safety Culture

Adhere to all company safety policies and procedures, including the use of personal protection equipment (PPE).

Participate in safety training programs and meetings.

Perform testing as a crew lead on projects.

Ability to install, test, and maintain electrical apparatus.

Skilled in troubleshooting and problem-solving during apparatus testing.

Understand the theory behind and reason for testing with the ability to analyze results.

Develop and write reports.

Clear communication with Internal and external Calisto / other metering installations & commissioning.

Creating plans for testing apparatus.

Qualifications

High School Diploma or GED (technical training preferred)

Valid driver’s license with clean driving record

Ability to lift 50 lbs., climb, and work outdoors in all weather conditions

Willingness to travel extensively and work flexible hours, including nights and weekends

Ability to read and interpret electrical diagrams and prints

Knowledge of electrical principles and safety practices in high-voltage environments

Work Environment :

Outdoor work in varying conditions; exposure to electrical hazards, moving equipment, and high-voltage systems. Safety training and PPE provided.

NASS in an equal opportunity employer. Our organization does not discriminate based on race, creed, color, veteran status, sex, religion, national origin, age, physical or mental disability, genetic information or any other characteristic protected by law. We are an E-Verify, Drug and Tobacco-Free Workplace.

(https : / / careers-nassusa-epsii.icims.com / jobs / 6408 / field-service-test-technician / job?mode=apply&apply=yes&in_iframe=1&hashed=-336062834)

Job Locations US-MO-St. Louis

Posted Date 1 month ago (1 / 5 / 2026 10 : 56 AM)

ID 2026-6408

# of Openings 2

Category Transformer Technician