Field Service Technician III

NASS USA

2d•$35 - $52•Onsite

About The Position

The Field Service Technician III serves as a senior field technician responsible for advanced assembly, maintenance, testing, diagnostics, and repair of transformers and high voltage apparatus. This role performs hands-on transformer services with minimal supervision and supports complex projects through technical expertise, troubleshooting, and leadership of junior technicians.

Requirements

Five or more years of transformer services, substation apparatus work, or related high voltage field experience
High school diploma or GED
Valid driver’s license and insurable record
Ability to stand, walk, climb, and lift up to 50 lbs.
Ability to safely work in outdoor, energized, high voltage environments
Willing and able to travel frequently (~75%), including overnight and occasional international travel
Willingness to work overtime, nights, weekends, and holidays
Ability to complete background checks and medical evaluations

Nice To Haves

CDL or interest in obtaining one
NCCCO crane certification
Strong knowledge of mechanical and electrical maintenance tools
Familiarity with grounding, LOTO, and arc-flash boundaries
Ability to read diagrams, one-lines, schematics, and metering devices
Desire to develop additional transformer diagnostics and testing skills

Responsibilities

Model and reinforce safe work practices, PPE requirements, and company safety policies.
Perform transformer testing and apparatus work as a lead technician on installation, maintenance, and emergency jobs.
Install, test, and maintain electrical apparatus with strong understanding of transformer components and field practices.
Troubleshoot and resolve issues identified during diagnostics and testing.
Interpret and analyze test results accurately, supporting field decisions.
Develop testing plans and assist with execution of field test procedures.
Operate oil processing and vacuum rigs, including dry-outs, circulation, and top-off procedures.
Complete documentation, inspections, job briefs, and work order entries.
Maintain professional communication with supervisors, crew members, and customers.
Install and assist with commissioning monitoring devices such as Calisto sensors