Field Service Technician II - Transformer & Substation

About the role

North American Substation Services (NASS) is a national leader in transformer services and high-voltage substation installation, maintenance, testing and repair. The Field Service Technician II performs intermediate-level installation, maintenance, inspection and repair of power transformers and high-voltage substation equipment, supporting field operations with hands-on tasks such as transformer assembly, oil processing support, gasket and bushing work, and basic electrical and mechanical testing under limited supervision.

Key responsibilities

• Follow company safety policies, procedures and PPE requirements, and take part in safety meetings and training
• Perform intermediate field work including LOTO, grounding, arc-flash protocols and site preparation
• Support transformer electrical testing, diagnostics, data collection and test setup
• Operate dry air equipment and support moisture control during transformer assembly
• Measure, cut and install gaskets and sealing components, and assist with internal inspections and fastener adjustments
• Support vacuum setup and rig operations during overnight or extended shifts
• Assist with installation and commissioning of condition-monitoring systems such as Calisto

Required profile

• 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
• Able to stand, walk, climb, crawl, bend and lift up to 50 lbs, and work safely outdoors in high-voltage and industrial settings
• Frequent travel (up to 80%) including overnight stays and variable schedules
• Willingness to undergo background checks and medical evaluations
• Preferred: CDL or interest in obtaining one, NCCCO crane certification, or rigging/lifting experience

Required skills

• Working knowledge of mechanical fundamentals and industrial tools
• Familiarity with substation hazards, LOTO, grounding and arc-flash boundaries
• Ability to read electrical diagrams, one-lines and field meters, or willingness to learn them
• Interest in transformer testing and oil-processing support

What we offer

• Pay of $27.00 - $35.00 per hour, depending on geography, skills, education and experience
• Medical, dental and vision coverage, 401(k) with company match, HSA/FSA, life and AD&D insurance, and disability coverage
• Tuition reimbursement, career path planning, certification incentives, per diem for travel and referral bonuses