Oil Lab Technician

Asplundh Tree Expert Co.; St. Louis (MO); On-site; USD 24,796 - 34,440; Full time

Benefits offered by this job

Medical, dental, and vision coverage

401(k) savings plan with company match

Health Savings Account (HSA) and/or FS

Life and AD&D insurance

Short-term and long-term disability

Employee Assistance Program (EAP)

Competitive pay

Talent development through instructor‑

Career path planning

Incentives for professional certs

Per diem for travel

Referral bonuses

Tuition reimbursement

Job summary

North American Substation Services (NASS) is seeking an Oil Lab Technician to test transformer insulating fluids and document results in a lab setting. The role requires attention to detail, chemical experience, and comfort with electronic test instruments.

Responsibilities include receiving samples, calibrating equipment, and maintaining a clean lab environment while contributing to quality programs. Competitive pay and comprehensive benefits are offered.

Qualifications

• High School diploma or GED is required.
• Bachelor’s or associate degree in chemistry or related field is preferred.
• Strong computer skills and accurate data entry are important.
• Experience handling chemicals and lab workflows is a plus.

Responsibilities

• Receive and document incoming fluid samples from customers.
• Perform checks and calibrations on laboratory equipment.
• Test fluid samples to determine their physical, electrical, and chemical properties.
• Analyze test results to confirm their validity.
• Perform routine maintenance on test equipment.
• Wash glassware and sample containers as necessary.
• Maintain laboratory as a clean and orderly work area.
• Coordinate the distribution of sampling materials to customers.
• Participate in lab quality programs and improvements.

Skills

Detail oriented

Computers & data entry

Electronic test instruments

Laboratory equipment

Education

High School diploma or GED

Associate’s or bachelor’s degree in chemistry or related field

Tools

Electronic test instruments

Laboratory equipment

Job description

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 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,regasketand 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 technicalexpertise, a commitment to safety, and disciplined field execution to keep critical power systemsoperatingreliably and efficiently.

Benefits

• Medical, dental, and vision coverage
• 401(k) savings plan with company match
• Health Savings Account (HSA) and/or Flexible Spending Account (FSA)
• Life and AD&D insurance
• Short-term and long-term disability coverage
• Employee Assistance Program (EAP)

Perks

• Competitive pay
• Talent development through instructor-led and online learning
• Career path planning
• Incentives for professional certifications
• Per diem for travel
• Referral bonuses
• Tuition reimbursement

Pay:

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.

Job Purpose:

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.

Responsibilities

• Receive and document incoming fluid samples from customers.
• Perform checks and calibrations on laboratory equipment.
• Test fluid samples to determine their physical, electrical, and chemical properties.
• Analyze test results to confirm their validity.
• Perform routine maintenance on test equipment.
• Wash glassware and sample containers as necessary.
• Maintain laboratory as a clean and orderly work area
• Coordinate the distribution of sampling materials to customers.
• Participate in lab quality programs and improvements.

Qualifications

Required:

• High School diploma or GED.
• Must be able to frequently kneel, bend, stand, crouch, and lift or carry up to 50 pounds to accomplish job tasks.

Preferred:

• Associate’s or bachelor’s degree in chemistry, biology, or related field of science. Bachelor’s degree preferred.
• Strong skills working with computers and digital testing equipment, including efficient data entry.
• Ability to work safely, accurately, and efficiently both independently and as part of a small team.
• Capable of prioritizing multiple goals to meet deadlines.
• Willingness to work overtime when necessitated by laboratory workload.
• Professional experience working in a laboratory setting is a plus but not required.

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 orthird partystaffing agencies. Unsolicited résumés will not be accepted.

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