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Third Class Operating Engineer Jobs in Illinois (NOW HIRING)

Medium Voltage Technician

Springfield, IL ยท On-site

$20.50 - $28/hr

ACT then leverages a world-class team, state of the art technology, and best-in-class operating ... Collaborate with engineers and project managers to ensure projects meet specifications and ...

Such duties include, but are not limited to, operating all heating and air conditioning equipment ... With ABM, you'll have access to a world-class training program and ample opportunities to use the ...

Our people at JLL are shaping the future of real estate for a better world by combining world class ... Operating Engineer license or similar (as applicable by state regulations) * Experience using ...

Cappers are the stars of the game, and enjoy a best-in-class operating system, automated marketing ... The Role We're hiring a Senior Software Engineer to join our Chicago hub. This is a senior IC role ...

Cappers are the stars of the game, and enjoy a best-in-class operating system, automated marketing ... The Role We're hiring a Staff Software Engineer to join our Chicago hub. This is a senior IC role ...

THIS IS A 3RD SHIFT POSITION, CORE HOURS ARE 10PM-6:15AM.*** The Stationary Engineer is responsible ... Minimum 3 years of experience operating large steam, chiller, refrigeration plant or similar ...

3RD SHIFT FORKLIFT OPERATOR

Lake Zurich, IL ยท On-site

$21.85 - $25.30/hr

Our success is propelled by our inventive spirit, devoted team members, extensive engineering ... class as recognized by applicable law. You may be eligible for the following competitive benefits ...

The Machine Operator is responsible for the production and inspection of all work orders assigned ... and programing, use of printing and or labeling auxiliaries also direct computer input for ...

Showing results 21-40

Third Class Operating Engineer information

What is the difference between Third Class Operating Engineer vs Second Class Operating Engineer?

AspectThird Class Operating EngineerSecond Class Operating Engineer
CredentialsRequires a Third Class license, often with specific experienceRequires a Second Class license, more extensive experience and testing
Work EnvironmentOperates boilers, pumps, and HVAC systems in buildings or facilitiesHandles larger or more complex systems, often in industrial or larger commercial settings
Employer & IndustryCommonly employed in commercial buildings, hospitals, and schoolsFound in industrial plants, large commercial facilities, and power plants

The main difference between a Third Class Operating Engineer and a Second Class Operating Engineer lies in their licensing requirements, scope of work, and the complexity of systems they operate. Second Class licenses permit handling larger and more complex equipment, often in industrial settings, while Third Class licenses are suitable for smaller systems in commercial buildings.

What are popular job titles related to Third Class Operating Engineer jobs in Illinois? For Third Class Operating Engineer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Third Class Operating Engineer jobs in Illinois look for? The top searched job categories for Third Class Operating Engineer jobs in Illinois are:
What cities in Illinois are hiring for Third Class Operating Engineer jobs? Cities in Illinois with the most Third Class Operating Engineer job openings:
Infographic showing various Third Class Operating Engineer job openings in Illinois as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Medium Voltage Technician

ACT Power Services

Springfield, IL โ€ข On-site

$20.50 - $28/hr

Full-time

Re-posted 6 days ago


Job description

Job Title: High Voltage/Medium Voltage (HV/MV) Technician

Job Type: Full-Time

Job Location: Illinois

Supplemental Pay:

  • Performance bonus

Travel: 40%


ACT Power Services was created to provide industry leading services for our clients. As an independent service provider, we avoid conflicts of interest and maintain a complete focus on our clients' needs. We have taken a no-frills approach to developing our organization to ensure our clients are only paying for services that add value. ACT then leverages a world-class team, state of the art technology, and best-in-class operating practices to ensure every facility is operated in a manner that maximizes production, preserves compliance, and ensures the safety of our personnel and communities. Our vision is to reshape the industry's benchmark for renewable operations and create the next generation of O&M provider.


ACT Power Services, a national Solar Power Operations & Maintenance Provider, is seeking a skilled and safety-conscious High Voltage/Medium Voltage (HV/MV) Technician to join our team. The ideal candidate will have a strong background in electrical systems, with expertise in the installation, maintenance, testing, and repair of HV/MV electrical equipment and systems. This is a hands-on role that plays a critical part in ensuring the safe and efficient operation of a solar power plant's infrastructure.

Responsibilities

  • Perform installation, maintenance, and repair of HV/MV electrical systems (typically 5kV – 35kV and above).
  • Conduct electrical testing of transformers, switchgear, breakers, relays, and protective devices.
  • Perform cable splicing and terminations in accordance with industry standards.
  • Troubleshoot electrical faults and perform root cause analysis.
  • Maintain accurate documentation of maintenance activities, inspections, and test results.
  • Assist in energizing new or repaired systems following strict safety protocols.
  • Comply with all OSHA, NEC, NFPA 70E, and company safety standards.
  • Support system upgrades, outages, and emergency repairs as needed.
  • Collaborate with engineers and project managers to ensure projects meet specifications and timelines.

Requirements

Required:

  • High school diploma or GED.
  • Minimum 3–5 years of relevant experience working with HV/MV systems.
  • Knowledge of electrical theory, protective relaying, and power system operations.
  • Proficiency in using electrical test equipment (e.g., Multimeters, Megger, Doble, HiPot, TTR, etc.).
  • Valid driver's license and ability to travel to job sites.

Preferred:

  • Technical certificate or associate degree in Electrical Technology or related field.
  • OSHA 30 certification and NFPA 70E training.
  • NETA or equivalent testing certification is a plus.
  • Experience with substation and transmission system maintenance.
  • Certificate for medium voltage cable terminations and splices.

Physical Requirements/Work Environment:

  • Ability to lift up to 50 lbs.
  • Comfortable working in confined spaces, heights, and around energized equipment.
  • Must be able to wear appropriate PPE including arc flash suits.

Benefits:

  • 401(k) with employer match
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Flexible Spending Account
  • Health Savings Account
  • Short-term and Long-term disability
  • Critical illness
  • Paid Time Off
  • Parental Leave
  • Paid Holidays
  • Employee assistance program
  • Life insurance
  • Opportunities for advancement
  • Training and Development
  • Legal and Identity Theft
  • Company vehicle opportunities
  • Pet Insurance

Act Power Services does not accept any unsolicited resumes or referrals from any third-party recruiting firms or agencies.