Field Service Technician II

Asplundh; Denver (CO); Hybrid; USD 56,000 - 73,000; Full time

Benefits offered by this job

Medical, dental, and vision

401(k) with company match

HSA / FSA

Life and AD&D insurance

Disability coverage

EAP

Per diem for travel

Tuition reimbursement

Referral bonuses

Job summary

North American Substation Services (NASS) a division of Asplundh Power Company, seeks a Field Service Technician II to install, maintain, inspect, and repair power transformers and high-voltage substation equipment in field settings.

The role requires 2+ years of transformer services or substation maintenance, a valid driver’s license, and ability to travel up to ~80%. You will work outdoors in industrial environments, following strict safety protocols and procedures.

Qualifications

• Two or more years of transformer services, substation work, or electrical/mechanical field maintenance.
• High school diploma or GED.
• Valid driver’s license and insurable driving record.
• Ability to travel up to ~80%, including overnight stays.
• Ability to work safely in outdoor, high voltage, and industrial environments.

Responsibilities

• Follow safety policies, procedures, and PPE; participate in safety meetings and training.
• Perform intermediate field work including LOTO, grounding, arc-flash protocols, and site preparation.
• Assist with transformer electrical testing by supporting diagnostics, data collection, and proper test setup.
• Operate dry air equipment and support moisture control processes during transformer assembly.
• Measure, cut, and install gaskets and sealing components.
• Assist with transformer internal work such as inspections, fastener adjustments, and component support.
• Support vacuum setup and operation during transformer processing activities.
• Oversee rig operations during overnight or extended shifts, ensuring safe and compliant performance.

Skills

Transformer services

Electrical maintenance

Field maintenance

Willing to travel

Education

High school diploma or GED

Tools

Calisto monitoring system

Electrical testing equipment

Job description

Overview

Field Service Technician II

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$27.00 - $35.00 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.

Position Overview

The Field Service Technician II performs intermediate-level installation, maintenance, inspection, and repair of power transformers and high voltage substation equipment. This role supports field operations by performing hands‑on tasks including transformer assembly, oil processing support, gasket and bushing work,componentinspections, and basic electrical and mechanical testing under limited supervision.

Responsibilities

• Follow company safety policies, procedures, and PPE requirements;participatein all safety meetings and training.
• Perform intermediate level field work including LOTO, grounding, arc-flash protocols, and site preparation.
• Assistwith transformer electrical testing by supporting diagnostics, data collection, and proper test setup.
• Operate dry air equipment and support moisture control processes during transformer assembly.
• Measure, cut, and install gaskets and sealing components.
• Assistwith transformer internal work such as inspections, fastener adjustments, andcomponentsupport.
• Support vacuum setup and operation during transformer processing activities.
• Oversee rig operations during overnight or extended shifts, ensuring safe and compliant performance.
• Assistwith installation and commissioning of monitoring devices such as Calisto or other condition-monitoring systems.

Qualifications

Required:

• Two or more years of experience in transformer services, substation work, or electrical/mechanical field maintenance
• High school diploma or GED
• Valid driver’s license and insurable driving record
• Ability to stand, walk, climb, crawl, bend, and lift/carry up to 50 lbs.
• Ability to work safely in outdoor, high voltage, and industrial environments
• Willing and able to travelfrequently(up to ~80%), including overnight stays and variable schedules
• Willingness to complete job‑related background checks and medical evaluations
• Ability to communicate clearly and follow written and verbal instructions

Preferred:

• CDL or interest in obtaining one
• NCCCO crane certification or rigging/lifting experience
• Working knowledge of mechanical fundamentals and industrial tools
• Familiarity with substation hazards, LOTO procedures, grounding, and arc‑flash boundaries
• Ability to read or willingness to learn to read electrical diagrams, one-lines, and field metering devices
• Interest in learning transformer testing, oil-processing support, and advanced procedures

Work Environment & Physical Requirements:

• Outdoor field work with exposure to weather, energized equipment, and industrial conditions
• Vehicle and air travel, extended stays, and occasional international travel
• Reasonable accommodations may be made for qualified individuals

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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