Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

OPERATING ENGINEER I

Cook County (Illinois)

Job Number 00139098 Job Posting Posted: Jun 11, 2026, 2:08:54 PM Closing Date: Jun 26, 2026, 4:59:00 AM Full-time Shift Start Time : 10:00 P.M. Shift End Time : 6:00 A.M. Collective Bargaining Unit: Local 399 International Union of Operating Engineers Posting Salary: $62.050 - Hourly Location Stroger Hospital Job Summary Under the supervision of the Operating Engineer III and the Operating Engineer II, assists in the operations, monitoring, and maintenance of buildings, and power plant mechanical and operating systems. These systems include heating, ventilation, air conditioning, water pumping, refrigeration, life safety, security, building automation, and energy conservation to supply heat, light, and electrical power for hospitals, residential institutions, and other County facilities. Supervises Mechanical Assistants, Firemen, Fireman Helper, Boiler Washer and other staff as directed. Typical Duties Assists in operations, maintenance, and regulations of the mechanical and operating systems for the building and power plant. These systems include heating, ventilation, air conditioning, refrigeration, and all related controlling equipment. Repairs equipment to completion to ensure operational efficiency. Directs Mechanical Assistants, Firemen, Firemen Helpers, and Boiler Washers, in the performance of operating preventative maintenance duties. Monitors and reads the operation performances of equipment by means of meters, gauges, charts, and computers at specific intervals during the assigned shift to determine whether equipment is functioning properly for County facilities. Maintains a log pertaining to recorded readings of controlling and regulating equipment. Obtains approval to make necessary adjustments of equipment to satisfy the demands of the respective facility for efficiency and safety of operations. Assists in maintaining energy conservation program for assigned facility by regulating electrical, pneumatic, and other automation control devices. Assists in life safety and emergency situations (i.e. fire, bomb, internal and external disasters) per facility policy disaster plan in accordance with 24 hour call back for any emergency. Reporting Relationships Reports to the Operating Engineer III and the Operating Engineer II. Minimum Qualifications Successful completion of an approved and recognized apprenticeship program pursuant to attaining Journeyman status as an Operating Engineer. Current and valid Stationary Engineer’s License issued by the City of Chicago (Must present two weeks prior to start date). Possession of a valid CFC (Chlorofluorocarbon) card (Must present two weeks prior to start date). Knowledge, Skills, Abilities and Other Characteristics Knowledge of commercial and industrial heating, ventilation, air conditioning, refrigeration, and mechanical systems. Knowledge of commercial and industrial electrical, plumbing, and steam-fitting systems. Skill in locating and identifying equipment maintenance problems, making emergency repairs and taking corrective action. Ability to communicate verbally and in writing. Ability to read mechanical drawings and blue prints. Ability to supervise Mechanical Assistants, Firemen, Firemen Helpers, Boiler Washer and other staff as directed. Occasionally requires various types of physical exertion, including, but not limited to lifting, pulling, pushing, and moving objects of moderate to heavy weight. Physical and Environmental Demands This position is functioning within a healthcare environment. The incumbent is responsible for adherence to all hospital and department specific safety requirements. This includes but is not limited to the following policies and procedures: complying with Personal Protective Equipment requirements, hand washing and sanitizing practices, complying with department specific engineering and work practice controls and any other work area safety precautions as specified by hospital wide policy and departmental procedures. Veteran Preference When applying for employment with the Cook County Health & Hospitals System, preference is given to honorably discharged Veterans who have served in the Armed Forces of the United States for not less than 6 months of continuous service. To take advantage of this preference a Veteran must meet the minimum qualifications for the position. Identify self as a Veteran on the employment application by answering yes to the question, 'Are you a Military Veteran?' Attach a copy of their DD 214, DD 215 or NGB 22 (Notice of Separation at time of application filing. If you have multiple DD214s, 215s, or NGB 22S, please submit the one with the latest date. Coast Guard must submit a certified copy of the military separation from either the Department of Transportation (Before 9/11) or the Department of Homeland Security (After 9/11). Discharge papers must list an Honorable Discharge Status. Discharge papers not listing an Honorable Discharge Status are not acceptable). A copy of a valid State ID Card or Driver’s License which identifies the holder of the ID as a Veteran may also be attached to the application at time of filing. If items are not attached, you will not be eligible for Veteran Preference. Veterans must provide original applicable discharge papers or applicable state ID card or driver’s license at time of interview. Degrees awarded outside the United States with the exception of those awarded in one of the United States' territories and Canada must be credentialed by an approved U.S. credential evaluation service belonging to the National Association of Credential Evaluation Services (NACES) or the Association of International Credential Evaluators (AICE). Original credentialing documents must be presented at time of interview. All offers of employment are contingent upon: satisfactory professional & employment references, healthcare and criminal background checks, appropriate licensure/certifications, and a successful completion of a physical and pre‑employment drug screen. CCH is strictly prohibited from conditioning, basing or knowingly prejudicing or affecting any term or aspect of County employment or hiring upon or because of any political reason or factor.

COOK COUNTY HEALTH IS AN EQUAL OPPORTUNITY EMPLOYER

#J-18808-Ljbffr Cook County (Illinois)

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the OPERATING ENGINEER I in Chicago, IL vacancy
  •  ...Vice President of Operations, Field Engineering Services About the Company Respected provider of top-notch services Industry Consumer Services Type Privately Held About the Role The Company is seeking a VP of Operations for Field Engineering Services with a strong engineering... 
    Suggested

    Confidential

    Chicago, IL
    2 days ago
  • A leading construction firm is seeking a results-driven Project Engineer to support field operations. The ideal candidate will collaborate with Project Managers to ensure project goals are met. Responsibilities include managing documentation, creating cost estimates, and... 
    Suggested

    Thompson Concrete Construction

    Chicago, IL
    18 hours ago
  • $45 - $60 per hour

    A major financial services firm is seeking a Building Operations Engineer in Chicago, responsible for maintaining and troubleshooting building systems. The ideal candidate should have a Bachelor's degree and 2-3 years of building operations experience. You will be involved... 
    Suggested
    Hourly pay

    Cantor Fitzgerald

    Chicago, IL
    3 days ago
  • $125k - $165k

    IMC Trading in Chicago is seeking an Operations Developer to join its Middle Office technology team. You'll build and maintain custom data pipelines and tools, ensuring operational workflows run smoothly within a fast-paced environment. The ideal candidate should have... 
    Suggested
    Work at office

    IMC Trading

    Chicago, IL
    2 days ago
  • A public utility agency in the Chicago area is seeking an Assistant Chief Operating Engineer to supervise and maintain sewage treatment plant operations. The position requires a high school diploma, six years of related experience, and a City of Chicago Stationary Engineer... 
    Suggested

    Metropolitan Water Reclamation District

    Chicago, IL
    1 day ago
  • Electrical Engineer III, Operations Engineering page is loaded## Electrical Engineer III, Operations Engineeringlocations: Chicago, ILtime type: Full timeposted on: Posted 2 Days Agojob requisition id: R09803Invenergy drives innovation in energy. Powered by decades of... 
    For contractors
    Work experience placement
    Visa sponsorship

    Invenergy, LLC

    Chicago, IL
    3 days ago
  • ## Electrical Engineer II, Operations EngineeringApplylocations: Chicago, ILtime type: Full timeposted on: Posted 30+ Days Agojob requisition id: R10798Invenergy is North America’s largest privately held developer, owner, and operator of power infrastructure. With 25 years... 
    For contractors
    Work at office
    Visa sponsorship

    Invenergy, LLC

    Chicago, IL
    18 hours ago
  • Associate, Operational Reliability Compliance - Electrical Engineer page is loaded## Associate, Operational Reliability Compliance - Electrical Engineerlocations: Chicago, ILtime type: Full timeposted on: Posted Todayjob requisition id: R10028Invenergy is North America... 
    Work at office
    Visa sponsorship

    Invenergy, LLC

    Chicago, IL
    18 hours ago
  • Job Title: Product & Operations Software Engineer Job ID: 88328 Location: Chicago, Illinois What you will be doing: Build and maintain internal systems that replace external SaaS dependencies, ensuring Marine Layer owns its core infrastructure Automate manual processes... 

    TEEMA

    Chicago, IL
    4 days ago
  •  ...Data Centers, ensuring service uptime and managing incidents. The ideal candidate has extensive experience with data center operations and engineering systems. Applicants should hold a Bachelor's degree in Engineering and have significant experience in data center... 

    Oracle

    Chicago, IL
    2 days ago
  •  ...Most Dependable Companies”, Ernst & Young - “Entrepreneur of the Year” Finalist. Job Description Senior Network and Telecom Operations Engineer Principal Duties and Responsibilities Creates documentation relating to Networking and Telecom support as required Work with... 
    Immediate start

    Sonoma Consulting Inc.

    Chicago, IL
    4 days ago
  • $18 per hour

    The Metropolitan Water Reclamation District in Chicago is seeking a Mechanical Engineering Intern for its Maintenance and Operations Department. This paid internship provides opportunities to gain experience in projects like the Rehabilitation of Rotating Assemblies. Candidates... 
    Hourly pay
    Internship

    Metropolitan Water Reclamation District

    Chicago, IL
    3 days ago
  • A renewable energy company is seeking an Electrical Engineer III to manage operations for wind, solar, and storage assets in Chicago. The ideal candidate will troubleshoot electrical issues, support maintenance programs, and ensure compliance with industry standards. A... 

    Invenergy, LLC

    Chicago, IL
    2 days ago
  • Position: Project Engineer - Field Operations (APM) Location: Forty Wayne, IN Job Id: 143 # of Openings: 1 Job Summary: We are seeking a results-driven Project Engineer to support our construction management team. This role works directly with Project Managers and Superintendents... 
    For contractors
    Relocation

    Thompson Concrete Construction

    Chicago, IL
    1 day ago
  • Sr. Manager Security Operations & Engineering Full time | Lucas James Talent Partners | United States Posted On 06/01/2026 Job Information Work Experience 7 years of experience Nonprofit Charitable Organizations City Evanston State/Province Illinois 60201 180000 Job Description... 
    Full time
    Work experience placement
    Work at office
    Worldwide
    Flexible hours

    Lucas James Talent Partners

    Evanston, IL
    2 days ago
  • Covetrus, Inc. in Chicago is seeking a Senior IT AI / Automation Engineer to design, build, and operationalize intelligent automation...  ...organization. Candidates should have substantial experience in IT operations with strong Python skills and hands-on knowledge of AI/ML... 

    Covetrus, Inc.

    Chicago, IL
    1 day ago
  • $90k - $100k

     ...skilled yet humble and looking to make a lasting impact in healthcare, we’d like to meet you. ABOUT THE ROLE As the Security Operations Engineer at Hopscotch, you will lead and manage core security and compliance controls for the business using modern methods and tools,... 
    Full time
    Temporary work
    Live in
    Work at office

    Hopscotch Primary Care

    Chicago, IL
    1 day ago
  •  ...is North America’s largest privately held developer, owner, and operator of power infrastructure. With 25 years of trusted execution, we...  ...Job Description Position Overview As an Operations Electrical Engineer you will be responsible for supporting the onboarding of new wind... 
    Full time
    For contractors
    Work experience placement
    Visa sponsorship

    Invenergy

    Chicago, IL
    1 day ago
  • $23.2 - $36.11 per hour

     ...innovative, flexible and fully connected factory we use state‑of‑the‑art technologies to make Autonomous Manufacturing a reality. The Operations Engineer is key to the success of the Smart Factory. He/She is responsible for running and setting‑up our automated cutting and... 
    Work experience placement
    Work at office
    Worldwide
    Flexible hours

    231 TUS - TRUMPF, Inc.

    Chicago, IL
    4 days ago
  • Trade Desk Operations Engineer, Chicago, IL We are seeking a motivated Trade Desk Operations Engineer team player with technical aptitude and market awareness to support the operation of an automated trading system in Chicago. The qualified Trade Desk Operations Engineer... 
    Work experience placement
    Visa sponsorship

    Itlearn360

    Chicago, IL
    1 day ago
  • $125k - $165k

    IMC is seeking an Operations Developer to join highly collaborative Middle Office technology team supporting critical operational workflows...  ..., Asia Pacific, and India, our talented quant researchers, engineers, traders, and business operations professionals are united by... 
    Permanent employment
    Full time
    Work at office

    IMC Trading

    Chicago, IL
    2 days ago
  • A leading consulting firm in Chicago is seeking a Senior Network and Telecom Operations Engineer to create documentation, manage Telecom infrastructure, and collaborate with vendors. The ideal candidate will ensure effective operations and support while defining processes... 

    Sonoma Consulting Inc.

    Chicago, IL
    2 days ago
  • $25 per hour

    Rotating Equipment Engineer Co-Op / Operations Intern page is loaded## Rotating Equipment Engineer Co-Op / Operations Internlocations: West Chicago, Illinois UStime type: Full timeposted on: Posted 30+ Days Agojob requisition id: R-17161**Role Summary:**Flowserve is currently... 
    Hourly pay
    Full time
    Internship
    Currently hiring
    Work at office
    Monday to Friday

    Flowserve

    Chicago, IL
    18 hours ago
  • $108.7k - $181.1k

    Overview The Sr Systems Engineer supports the Reliability Engineering and Operations (REO) at CME Group. The incumbent must have strong knowledge of Windows server administration, configuration, networking, scripting and automation, large scale distributed computing, hardware... 
    Shift work
    Weekend work

    CME Chicago Mercantile Exchange Inc.

    Chicago, IL
    18 hours ago
  • TEEMA is seeking a Product & Operations Software Engineer to build and maintain essential systems that streamline operations. The successful candidate will have a degree in a quantitative field and strong software skills, particularly in SQL. You will work in fast-paced... 

    TEEMA

    Chicago, IL
    4 days ago
  •  ...Job Description Job Description THIS IS NOT A DATA ENGINEERING RELATED POSITION   CAI seeks Mechanical Commissioning Engineers...  ...startup Execute test scripts to confirm equipment and system operation to design specification. Ensure safe work practices are followed... 
    Full time
    For contractors
    Immediate start
    Worldwide

    CAI

    Chicago, IL
    11 days ago
  • $101k - $152k

     ...Quality Management. Requirements: Education Bachelor’s degree in Engineering, Science, Math or other related technical field. Work...  ...positive and successful solution through mathematical or systematic operations. Experience leading a team to accomplish cross-functional... 
    Minimum wage
    Full time
    Work experience placement
    Local area
    Worldwide

    Medline Industries, LP

    Chicago, IL
    11 hours ago
  •  ...Intersog® is a Chicago-based provider of tailored software engineering solutions, offering dedicated development teams and custom software...  .... Currently, we are seeking for a Senior Infrastructure Operations Engineer to join one of our clients' projects (USA), focusing... 
    Temporary work
    Work experience placement
    Work from home
    Flexible hours

    DevOpsChat

    Chicago, IL
    18 hours ago
  • Underwriters Laboratories Inc is seeking a Senior Manager, Security Operations & Engineering to lead cybersecurity efforts in Evanston, Illinois. This role focuses on driving strategies for security operations, incident management, and threat detection while ensuring alignment... 

    Underwriters Laboratories

    Evanston, IL
    1 day ago
  • Lucas James Talent Partners is seeking a Sr. Manager Security Operations & Engineering based in Evanston, Illinois. This role involves leading security operations, ensuring effective prevention and response to cyber threats, and driving strategies aligned with organizational... 

    Lucas James Talent Partners

    Evanston, IL
    2 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to OPERATING ENGINEER I. Be the first to apply!