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Iuoe 399 Jobs (NOW HIRING)

AccorHotel

Engineer Apprentice

Chicago, IL · On-site

$18.25/hr

Must maintain good standing with IUOE Local 399 throughout employment. * Completion of job-related training program preferred * Completion of job-related associate's degree preferred * Ability to ...

AccorHotel

Engineer Apprentice

Chicago, IL · On-site

$18.25/hr

Must maintain good standing with IUOE Local 399 throughout employment. * Completion of job-related training program preferred * Completion of job-related associate's degree preferred * Ability to ...

SWISSOTEL

Engineer Apprentice

Chicago, IL

Must maintain good standing with IUOE Local 399 throughout employment. * Completion of job-related training program preferred * Completion of job-related associate's degree preferred * Ability to ...

Loyola University Chicago

ELECTRICIAN

Chicago, IL · On-site

$55.44/hr

Must become member of IUOE Local 399 within 90 days of accepting position and maintain good standing with IUOE Local 399 Computer Skills * Knowledge and proficiency with computers * Proficiency with ...

County of DuPage

Maintenance Technician

Wheaton, IL

$58K/yr

This position is assigned to the IUOE - LOCAL 399 BARGAINING UNIT. This position is eligible for our complete benefit package including medical, dental and vision insurance, flexible spending ...

County of DuPage

Stationary Engineer

Wheaton, IL

$86K/yr

This position is assigned to the International Union of Operating Engineers (IUOE) Local 399 BARGINING UNIT POSITION The salary for this position is $86,700 plus a $1.25 per hour shift differential ...

County of DuPage

Stationary Engineer

Wheaton, IL

$86K/yr

This position is assigned to the International Union of Operating Engineers (IUOE) Local 399 BARGINING UNIT POSITION The salary for this position is $86,700 plus a $1.25 per hour shift differential ...

County of DuPage, CO

Stationary Engineer

Wheaton, IL · On-site

$86K/yr

This position is assigned to the International Union of Operating Engineers (IUOE) Local 399 BARGINING UNIT POSITION The salary for this position is $86,700 plus a $1.25 per hour shift differential ...

County of DuPage, CO

Stationary Engineer

Wheaton, IL · On-site

$86K/yr

This position is assigned to the International Union of Operating Engineers (IUOE) Local 399 BARGINING UNIT POSITION The salary for this position is $86,700 plus a $1.25 per hour shift differential ...

County of DuPage, CO

Maintenance Technician

Wheaton, IL · On-site

$58K/yr

This position is assigned to the IUOE - LOCAL 399 BARGAINING UNIT. This position is eligible for our complete benefit package including medical, dental and vision insurance, flexible spending ...

All JobsIuoe 399 Jobs

Iuoe 399 information

See salary details

$25K

$69.4K

$99K

How much do iuoe 399 jobs pay per year?

As of Aug 7, 2026, the average yearly pay for iuoe 399 in the United States is $69,416.00, according to ZipRecruiter salary data. Most workers in this role earn between $38,500.00 and $94,000.00 per year, depending on experience, location, and employer.

What is an IUOE 399?

An IUOE 399 job refers to a position covered by the International Union of Operating Engineers Local 399, which represents stationary engineers and maintenance professionals. These jobs typically involve operating, maintaining, and repairing building systems such as HVAC, electrical, and plumbing in commercial, industrial, and institutional settings. Members of IUOE 399 work in facilities like office buildings, hospitals, schools, and manufacturing plants to ensure smooth and efficient operations.

What are the typical daily responsibilities for an IUOE 399 engineer working in a commercial building?

IUOE 399 engineers in commercial buildings are responsible for monitoring, maintaining, and repairing critical building systems such as HVAC, electrical, plumbing, and boilers. Daily tasks often include inspections, troubleshooting system issues, performing preventive maintenance, and responding to facility emergencies. Engineers also frequently collaborate with other maintenance staff, vendors, and building management to ensure building systems run smoothly. This role typically involves shift work and may require being on-call to handle urgent facility needs after hours.

How to become a local 399 member?

To become a Local 399 member, you must typically complete an apprenticeship program or have relevant work experience in the trade, and then apply through the union's membership process. Candidates often need to meet specific qualifications, pass an interview, and pay initiation fees. Being physically fit and having basic skills related to the trade can also be beneficial.

What are the key skills and qualifications needed to thrive in the IUOE 399 position, and why are they important?

To thrive as a member of IUOE Local 399 (International Union of Operating Engineers, Local 399), you need a solid understanding of mechanical systems, electrical maintenance, and facility operations, typically supported by technical training or apprenticeship and relevant certifications. Familiarity with building automation systems (BAS), HVAC controls, boilers, and safety protocols is commonly required. Strong teamwork, problem-solving skills, and clear communication are essential soft skills in this position. These abilities ensure safe, efficient building operations and positive collaboration with co-workers and building management.

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Iuoe 399 jobs near you
Infographic showing various Iuoe 399 job openings in the United States as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $69,416 per year, or $33.4 per hour.

Operating Engineer-Licensed

The University of Chicago Medicine

Chicago, IL • On-site

$71K - $96K/yr

Full-time

Re-posted 24 days ago

University Of Chicago Medicine rating

7.4

Company rating: 7.4 out of 10

Based on 61 frontline employees who took The Breakroom Quiz

265th of 887 rated healthcare providers

Job description


Be a part of a world-class academic healthcare system, UChicago Medicine, as a Operating Engineer at our Hyde Park Center. This position is a 100% onsite opportunity. You will need to be based in the greater Chicagoland area.
In this role, you will be responsible for the operation, maintenance and repair of all machinery and equipment required to supply the Medical Center complex with electrical power, heating, air conditioning, ventilation, medical/laboratory air, medical/laboratory vacuum, steam and water.
Essential Job Functions
  • Maintaining and keeping building utility systems in order: heating, cooling and ventilating systems, pneumatic and DDC temperature controls, medical/laboratory air, medical/laboratory vacuum, pumps, cooling towers, air filters, and central refrigeration units. Duties include identifying, diagnosing and repairing system components to ensure continued operation.
  • Adjusting manual and automated controls of building systems to ensure safe and efficient operation of buildings. May operate computer Building Automation Systems (Johnson Controls, Siemens, Andover) to accomplish specific tasks related to building operations.
  • Maintaining and keeping the steam distribution system and high pressure vessels (up to 180 psi pressure) within the Medical Center in order. Duties may include tightening fittings, repacking valves, replacing packing glands, gaskets, valves, recorders and gauges, cleaning and replacing burners and other components.
  • Participating in building and system start-up and commissioning. Participating in capital projects and working with project managers and contractors to complete projects.
  • May operate and maintain pneumatic tube systems within the Medical Center.
  • May replace switches and motors to 110 volts.
  • Maintaining relative pressures and air quantities in HVAC systems.
  • Repairing and maintaining existing plumbing systems.
  • Repairing and maintaining appliances including refrigeration and package A/C equipment.
  • Working from building blueprints to determine location and layout of circuits, ducts and piping. Performing on the scene repairs or replacing components. Performings repair work in central shop.
  • Using hand tools and power equipment such as drill presses, saws, threaders, and grinding wheels.
  • Requisitioning materials and supplies as needed.
  • Keeping work area neat, clean and safe.
  • Completing required departmental paperwork in a timely and legible fashion.
  • Communicating with patients, visitors, and other Hospital employees with tact and courtesy.
  • Following through on all assigned duties until completion.
  • Maintaining personal appearance in accordance with departmental policy on dress and uniform.
  • Performing other duties assigned

Required Qualifications
  • High School Graduate.
  • Successful completion of recognized trade union apprentice program such as an Operating Engineer (IUOE-399), Pipefitter (LU-597 - controls), Sheet Metal Worker (Local 73) or equivalent trade union local bargaining unit or
  • Successful completion of a recognized training program such as power plant operator (e.g., U.S. Navy, USCG), technical training school or educational programs (e.g., Certificate or AA in Stationary Engineering or HVAC/R).
  • Must have and maintain a current City of Chicago Stationary Engineers License. A Stationary Engineers License from an equivalent jurisdiction is acceptable until a City of Chicago license can be obtained.
  • Must have a minimum 5 to 7 years of experience in power plant, facility operations, building maintenance or building automation/controls.
  • Must have and maintain an EPA Refrigerant License
  • Ability to read and comprehend written instructions and communicate with others by writing.
  • Knowledge of use and maintenance of power and hand equipment used on the job.
  • Must be able to work from ladders and scaffolds.
  • Must be physically capable of performing the work expected in an efficient manner.
  • Must have knowledge of safety rules, practices and equipment.
  • Must have the ability to communicate effectively and work with other people.
  • Must be capable of strenuous physical activity.

Position Details
  • Job Type/FTE: Full-time (1.0) ; 8-hour shifts
  • Shift: Days
  • CBA Code: 73 SEIU
  • No Visa Sponsorship Available

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