Substation Technician - High-Voltage Electric Utility

City of Naperville; Naperville (IL); On-site; USD 83,000 - 96,000; Full time

Job summary

The City of Naperville is seeking a Substation Technician to install and maintain electric substation equipment, test and repair high voltage lines, and support switchgear and related components. You will work in confined spaces and near energized equipment, including manholes and basements.

Originally involved with IBEW Local 9 union, wage rates and benefits follow the collective bargaining agreement. Starting salary is $65.41 per hour; 2026 wages will be set after a new agreement is ratified.

Qualifications

• 1–3 years of substation construction or maintenance experience.
• A high school diploma or equivalent.
• Post-twelfth grade technical training in electrical maintenance or related fields.
• A test will be given to determine qualifications and skills.
• A valid State of Illinois CDL is required.

Responsibilities

• Operate aerial bucket and hot stick tools for installation, repair, and operation of substation equipment.
• Locate, isolate, and repair issues in electric lines and substations.
• Install and repair components such as transformers, metering equipment, conduits, breakers, and switchgear.
• Program and operate electronic controls and use computers for data download.
• Read and record monitoring instrumentation.
• Assist in constructing substation structures like towers, poles, and buswork.
• Perform substation switching operations and testing (oil, relay tests).
• Conduct routine grounds maintenance and work in energized manholes or similar spaces.

Skills

Substation maintenance

Electrical safety

CDL license

Education

High school diploma or equivalent

Post-twelfth grade technical training

Electrical maintenance training

Tools

CDL (Commercial Driver's License)

Job description

The City of Naperville is seeking a Substation Technician to install and maintain electric substation equipment, test and repair high voltage lines, and support switchgear and related components. You will work in confined spaces and near energized equipment, including manholes and basements.

Originally involved with IBEW Local 9 union, wage rates and benefits follow the collective bargaining agreement. Starting salary is $65.41 per hour; 2026 wages will be set after a new agreement is ratified.