Field Service Technician – Electrical Substation & Transformer Assembly

Overview:

We are seeking experienced Field Service Technicians to join our team supporting the installation, assembly, testing, and maintenance of large‑scale electrical substation transformers and components. This role involves extensive hands‑on mechanical work, travel to job sites, and working as part of a highly skilled field operations team.

Key Responsibilities

• Travel to electrical substation construction sites as part of a field service crew.
• Assist with the arrival and offloading of transformers and substation components from trucks using cranes, forklifts, rigging equipment, and other heavy machinery.
• Stage components across the job site and prepare mechanical assemblies for installation.
• Perform craning and lifting operations to set large components onto concrete pads.
• Assemble transformers and substation components using mechanical tools including wrenches, torque tools, and various hand tools.
• Bolt and secure large mechanical assemblies and ensure proper alignment and fit.
• Read and interpret blueprints, schematics, and mechanical installation drawings.
• Perform functional testing to verify correct assembly.
• Level II & Level III Technicians:
  • Fill transformers with oil
  • Perform vacuum pumping and processing
  • Conduct acceptance testing
• Work alongside electrical utilities during final energization of the substation.

Required Skills & Experience

• Strong mechanical aptitude with experience assembling large mechanical components (vehicles, heavy machinery, industrial equipment, etc.).
• Ability to work with basic and advanced hand tools.
• Experience with mechanical installation, assembly, field service, or equipment maintenance.
• Ability to understand and interpret schematics and blueprints.
• Comfort working outdoors, in field environments, and around heavy equipment.

Preferred Experience

• Background in transformer installation, substation construction, or utility‑scale mechanical assembly.
• Field service experience in an industrial or electrical environment.
• Familiarity with cranes, rigging, forklifts, and large mechanical equipment.

Technical Services You’ll Support

Transformer Installation Services

• Turnkey installation
• Assembly, vacuum processing, and oil filling under vacuum
• Acceptance testing
• Two‑winding & three‑winding transformers, auto transformers, phase shifters
• Shunt reactors and VRC/PAC combinations
• Project management support
• Safety surveys

Transformer Testing Services

• Failure analysis
• Field acceptance testing
• Doble® (M4K & SFRA)
• TTR, insulation resistance
• Winding resistance & core de‑magnetization
• BCT testing (ratio, polarity, saturation)
• Functional testing of ancillary devices

This is a Contract to Hire position based out of Denver, CO.

The pay range for this position is $24.00 - $28.00/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Denver,CO.

This position is anticipated to close on Mar 17, 2026.

About Aerotek:

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meets their goals, skills and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role solving for companies’ construction, manufacturing and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are everything spirit to the test as your career continues to grow.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.