Field Service Technician I

NASS; United States; On-site; USD 42,000 - 64,000; Full time

Benefits offered by this job

Competitive pay

Certification incentives

Travel per diem

Referral bonuses

Tuition reimbursement

Career path planning

Job summary

North American Substation Services (NASS) seeks a Field Service Technician I to join our nationwide team. This entry‑level role supports assembly, installation, maintenance, and repair of power transformers and high‑voltage substation equipment while emphasizing safe work practices and learning from experienced technicians.

You will assist with transformer assembly, oil processing support, and basic mechanical and electrical field duties, with travel and overnight stays as needed.

Qualifications

• Foundational mechanical aptitude and understanding of safe work practices.
• Familiarity with transformer/substation hazards (LOTO, grounding, arc-flash).
• Ability to read electrical diagrams/onelines and basic metering devices.

Responsibilities

• Follow all company safety policies, procedures, and PPE requirements.
• Participate in safety meetings, training sessions, and jobsite briefings.
• Identify, report, and help mitigate potential safety hazards.
• Assist with assembly, installation, and setup of power transformers, including alignment and mechanical connections.
• Learn and apply correct bolting, wiring, torquing, and fastening techniques.
• Safely handle, move, and transport tools, materials, and field equipment.
• Support senior technicians with basic troubleshooting, maintenance, and repair of transformer and substation apparatus.
• Learn to recognize and help replace components such as bushings, gaskets, and basic hardware.
• Communicate effectively with supervisors and team members to ensure accurate and efficient field operations.

Skills

Foundational mechanical aptitude

Safety practices

Read electrical diagrams

Communication with supervisors

Willingness to travel

Education

NCCCO crane certification

CDL preferred

Job description

Overview

Field Service Technician I

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

Position Overview

TheField Service Technician Isupportsthe field team with the assembly, installation, maintenance, and repair of power transformers andhighvoltagesubstation equipment. Thisentrylevelrole focuses on safe work practices whileassistingexperienced technicians with transformer assembly,oilprocessingsupport, and basic mechanical and electrical field duties.

Responsibilities

• Follow all company safety policies, procedures, and PPE requirements.
• Participatein safety meetings, training sessions, andjobsitebriefings.
• Identify, report, and help mitigate potential safety hazards.
• Assistwith assembly, installation, and setup of power transformers, including alignment and mechanical connections.
• Learn and apply correct bolting, wiring, torquing, and fastening techniques.
• Safely handle, move, and transport tools, materials, and field equipment.
• Support senior technicians with basic troubleshooting, maintenance, and repair of transformer and substation apparatus.
• Learn to recognize and help replace components such as bushings, gaskets, and basic hardware.
• Communicate effectively with supervisors and team members to ensureaccurateand efficient field operations.

Qualifications

Preferred:

• CDL or the interest/ability to obtain one
• NCCCO crane certification or experience with rigging and lifting operations
• Foundational mechanical aptitude and understanding of safe work practices
• Familiarity with transformer/substation hazards (LOTO, grounding, arc-flash)
• Ability to learn to read electrical diagrams,onelines, and basic metering devices
• Interest in learning transformer assembly,oilprocessingsupport, gasket/bushing work, and inspections

Work Environment & Physical Requirements:

• Outdoor field role with exposure to weather, energized equipment zones, and industrial environments
• Travel by vehicle and air; overnight stays required
• Reasonable accommodations may be made to enable qualified individuals with disabilities to perform essential functions

EEO StatementNASS, 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 orthirdpartystaffing agencies. Unsolicited résumés will not be accepted.

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