St. Louis, Missouri, United States · On-site
$18/hr–$25/hr
Overview Oil Lab Technician North American Substation Services (NASS) is a national leader in transformer services and high‑voltage substation installation, maintenance, testing, and repair. With more than 20 years of ex…
Skills: Chemical Handling, Electronic Test Instruments, Fluid Analysis, Equipment Calibration, Data Entry
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The Oil Lab Technician is responsible for testing and documenting the physical, electrical, and chemical properties of transformer insulating fluids. Key duties include calibrating lab equipment, analyzing test results, and maintaining a clean, orderly laboratory environment.
A high school diploma or GED is required, along with the physical ability to lift up to 50 pounds. A bachelor's degree in chemistry, biology, or a related science field is preferred.
North American Substation Services (NASS) is a national leader in transformer services and high‑voltage substation installation, maintenance, testing, and repair. With more than 20 years of experience, we deliver comprehensive, one‑stop solutions for utilities, industrial operations, and critical infrastructure across the United States. Our teams support the full lifecycle of substation and transformer assets, including installation, maintenance, major repairs, and diagnostic testing.
Core services include transformer assembly, oil processing, regasket and life‑extension work, substation apparatus testing, and high‑voltage equipment maintenance to ensure safe, reliable system performance. We work on a wide range of substation equipment—power transformers, breakers, switches, arresters, and control cabinets—and perform essential diagnostics such as TTR, winding resistance, insulation resistance, power‑factor testing, and oil analysis through our dedicated in‑house laboratory. With a nationwide fleet of mobile oil‑processing units, we provide rapid on‑site support backed by strong technical expertise, a commitment to safety, and disciplined field execution to keep critical power systems operating reliably and efficiently.
Benefits
Perks
The hourly rate for this position is between $18.00 – $25.00 per hour.Factors which may affect starting pay within this range may include geography/market, skills, education, experience, and other qualifications of the successful candidate.
The Oil Lab Technician is responsible for the testing and documentation of transformer insulating fluids. Candidate must be detail-oriented, have experience working with chemicals, and be confident working with electronic test instruments in a lab environment.
EEO Statement
NASS, an Asplundh Power Company, is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, veteran status, or any other protected characteristic. NASS does not engage with individual recruiters or third party staffing agencies. Unsolicited résumés will not be accepted.
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North American Substation Services (NASS) is a nationally-recognized expert specializing in transformer and substation apparatus installation, services, and repair. Our management and highly skilled field-based force have received specialized training and are among the most experienced in the industry. NASS is dedicated to providing quality service and solutions that optimize the reliability of transformers and other substation equipment. Our customers know us as a trusted resource in the substation field with established long-term relationships grounded in integrity, professionalism, and value.
Offices: 190 North Westmonte Drive, Altamonte Springs, Florida 32714, US
Powered By Asplundh
North American Substation Services (NASS) is a nationally-recognized expert specializing in transformer and substation apparatus installation, services, and repair. Our management and highly skilled field-based force have received specialized training and are among the most experienced in the industry. NASS is dedicated to providing quality service and solutions that optimize the reliability of transformers and other substation equipment. Our customers know us as a trusted resource in the substation field with established long-term relationships grounded in integrity, professionalism, and value.
Offices: 190 North Westmonte Drive, Altamonte Springs, Florida 32714, US
