Senior Field Technician, Transformers & HV Systems

Asplundh; Denver (CO); Hybrid; USD 44,000 - 63,000; Full time

Benefits offered by this job

Competitive pay

Talent development through instructor‑

Career path planning

Incentives for professional certs

Per diem for travel

Referral bonuses

Tuition reimbursement

Job summary

North American Substation Services (NASS), an Asplundh Power Company, is seeking a Field Service Technician III to perform advanced transformer services, testing, and diagnostics in high‑voltage environments. You will lead junior technicians, ensure safety, and travel up to 75% to support installations and maintenance across the United States.

A strong background in transformer systems and relevant certifications is required.

Qualifications

• 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 upto 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.

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

Skills

5+ years HV field experience

Safety leadership

Diagnostics & testing

Manual dexterity

Team leadership

Education

High school diploma or GED

Job description

North American Substation Services (NASS), an Asplundh Power Company, is seeking a Field Service Technician III to perform advanced transformer services, testing, and diagnostics in high‑voltage environments. You will lead junior technicians, ensure safety, and travel up to 75% to support installations and maintenance across the United States.

A strong background in transformer systems and relevant certifications is required.