Field Service Supervisor

Overview

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.

Position Overview

The Field Service Supervisor provides senior technical leadership for complex transformer and high voltage apparatus projects, overseeing inspection, repair, maintenance, and testing of transmission and distribution substation equipment. The role directs multi-crew field execution, resolves technical issues, and ensures compliance with safety, quality, and operational standards.

Required

• High school diploma or equivalent
• 5+ years of experience in transformer services, high voltage testing, substation work, or related technical field operations
• Demonstrated ability to lead multi-crew field teams and support complex projects
• Strong written and verbal communication skills; ability to coordinate with customers and internal teams
• Proficiency with MS Office and digital reporting systems
• Valid driver’s license and insurable driving record
• Ability to lift/carry up to 50 lbs. and work safely in outdoor, high voltage environments
• Willingness to travel frequently, including overnight stays
• Ability to work flexible schedules including overtime, weekends, holidays, and nights

Preferred

• Advanced experience with transformer testing and diagnostics (e.g., Doble, DLRO, insulation resistance, winding resistance, CT ratio/saturation, power factor)
• Knowledge of substation apparatus including HV/MV circuit breakers, transformers, switchgear, CTs, PTs, CCVTs
• Experience planning testing scopes, interpreting results, and supporting field engineering decisions
• Familiarity with crane/rigging, oil-processing support, and advanced transformer service procedures

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