Substation Technician 2

About CORE

CORE Electric Cooperative is the largest member-owned electric distribution cooperative in Colorado dedicated to providing reliable, affordable, clean, and safe electric service to our communities. With a commitment to innovation and member satisfaction, we strive to meet the evolving needs of our members while maintaining the highest standards of service excellence.

Job Summary 

This position reports to the Substation Manager and is responsible for the operation, testing, maintenance, and commissioning of substation apparatus including interrupting devices, isolating devices, power transformers, voltage regulators, and protection relays. Procedures are applied to determine the best course of action within the limits of standard practice.

Essential Duties and Responsibilities

Under direct supervision:

• Perform testing, maintenance, and commissioning of substation equipment/relaying involving routine inspection, repair, and modification or addition as needed.
• Perform major switching on CORE substation and transmission line equipment.
• Perform routine maintenance, minor repairs, and adjustments of high voltage circuit breakers, disconnect switches, power transformers, voltage regulators, reclosers, and switchgear breakers.
• Perform testing, maintenance, and commissioning of substation SCADA equipment.
• Participate in substation crew call-out for restoration of service due to substation outage. In addition, is subject to call-out at all hours, including holidays and weekends, in order to restore or maintain electric service to consumers.
• Participate in daily Job Briefings.

Without direct supervision:

• Interpret electrical prints including one-line, three-line, schematic, and wiring diagram drawings for testing, troubleshooting, and modification purposes.
• Program and commission controls on capacitor banks, voltage regulators, and electronic reclosers.
• Perform switching on CORE substation and transmission line equipment based on proficiency.
• Respond to call-out for substation SCADA alarms, and substation outages based on proficiency. In addition, is subject to call-out at all hours, including holidays and weekends.
• Perform special service investigations as directed by the Substation Manager.
• Inspect, test, repair, and certify as usable rebuilt oil-filled equipment when necessary. Perform oil tests to determine PCB content and maintain required CORE and EPA documentation when necessary.
• Perform routine substation inspections and maintenance on ancillary equipment.
• Maintain a clean, safe environment in the oil shop and substation work area.
• Perform vehicle pre-trip inspections and report issues.
• Perform other duties as directed.

Minimum Qualifications of Position

• High school diploma or equivalent certificate required.
• Substation Technical Apprenticeship, vocational degree required, or relevant technical training required.
• Two or more years of experience, or equivalent experience/education required.
• A valid Colorado driver’s license with satisfactory driving record within CORE standards is required.
• Experience with position-specific software and applications.
• Competent with Microsoft Office: Excel, Word, and Outlook.
• Experience with position specific equipment.
• Competent with general office equipment.

Knowledge and Skills

• The worker is required to have close visual acuity to perform an activity such as: preparing and analyzing data and figures; transcribing; viewing a computer terminal; extensive reading; visual inspection involving small defects, small parts, and/or operation of machines (including inspection); using measurement devices; and/or assembly or fabrication of parts at distances close to the eyes.

Working Conditions and Physical Requirements 

• Heavy work: Exerting up to 100 pounds of force occasionally, and/or up to 50 pounds of force frequently, and/or up to 20 pounds of force constantly to move objects.
• The worker is subject to inside environmental conditions: Protection from weather conditions but not necessarily from temperature changes.
• The worker is subject to outside environmental conditions: No effective protection from weather.
• The worker is subject to both environmental conditions: Activities occur inside and outside.
• The worker is subject to extreme cold: Temperatures typically below 32 degrees for periods of more than one hour. Consideration should be given to the effect of other environmental conditions such as wind and humidity.
• The worker is subject to extreme heat: Temperatures above 100 degrees for periods of more than one hour. Consideration should be given to the effect of other environmental conditions such as wind and humidity.
• The worker is subject to noise: There is sufficient noise to cause the worker to shout in order to be heard above the ambient noise level.
• The worker is subject to hazards: Includes a variety of physical conditions, such as proximity to moving mechanical parts, moving vehicles, electrical current, working on scaffolding and high places, exposure to high heat or exposure to chemicals.
• The worker is subject to atmospheric conditions: One or more of the following conditions that affect the respiratory system of the skin: Fumes, odors, dusts, mists, gases, or poor ventilation.
• The worker is subject to oils: There is air and/or skin exposure to oils and other cutting fluids.
• The worker frequently is in close quarters, crawl spaces, shafts, manholes, small enclosed rooms, small sewage and water line pipes, and other areas which could cause claustrophobia.
• The worker is required to function in narrow aisles or passageways.

Note: This job description is intended to describe the general nature and level of work performed and is not to be construed as an exhaustive list of responsibilities, duties, and skills required. Other duties may be assigned.

Application Timeline

The application deadline for this job is estimated to be 11/5/2026. However, this timeline may be shortened or extended depending on business needs, the availability of qualified candidates, and whether the role is filled or not. We encourage qualified candidates to submit their application(s) expediently so as not to miss out on opportunities.

CORE offers a comprehensive benefits package including the following...

• 9/80 work schedule: Every other Friday off!
• Nine paid holidays per year
• 160 hours of accruable PTO per year
• Paid parental leave (80 hours)
• Education and training reimbursement
• Volunteer paid time off
• 100% Cooperative paid benefits, including:
• Defined benefit pension plan
• Medical insurance
• Dental insurance
• Vision insurance
• Short term & Long-term disability
• Employee assistance program
• Life insurance
• HSA employer contribution: $900 for employee only, $1,800 for employee + dependents
• 401(k) retirement plan with company match up to 4%. Immediately 100% vested
• Length of service program
• Free onsite EV charging stations (at certain locations)
• Onsite micro market (at certain locations)
• Onsite gym with golf simulator and massage chairs (at certain locations)

CORE is an Equal Opportunity Employer.

• EEO is The Law - click here for more information
• Equal Opportunity Employer Minorities/Women/Protected Veterans/Disabled
• We consider all applicants for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, handicap or disability, or status as a Vietnam-era or special disabled veteran in accordance with federal law. If you need assistance, please reach out to us at View email address on click.appcast.io