Chiller / Boiler Operating Mechanic

Jones Lang LaSalle Incorporated; Creve Coeur (MO); On-site; USD 60,000 - 85,000; Full time

Benefits offered by this job

401(k) plan with matching company/conr

Comprehensive Medical, Dental & Vision

Paid parental leave at 100% of salary

Paid Time Off and Company Holidays

Early access to earned wages through a

Job summary

JLL in Creve Coeur, MO is seeking a Utilities Mechanic/Relief Stationary Operating Engineer to join our onsite team. This hybrid role combines utilities maintenance with 24/7 control room coverage to support critical facility operations.

You will operate boilers, chillers, pumps, and water treatment systems, perform preventative maintenance, troubleshoot issues, and ensure safety through lockout/tagout procedures and building automation systems.

Qualifications

• Minimum high school diploma or equivalent.
• Two years of trades schooling in high pressure boiler and industrial refrigeration/HVAC operation theory.
• 2+ years of facility/plant engineering maintenance or equivalent education.
• Class 1 Stationary Engineers License.
• Valid driver’s license.
• Ability to lift 50-pound objects regularly and work in varying temperature conditions.
• Capability to work 24/7 shift coverage as needed.

Responsibilities

• Perform scheduled preventative maintenance on utilities equipment including boilers, chillers, pumps, and cooling tower components.
• Operate and maintain high-pressure steam and hot water boilers in compliance with manufacturer recommendations and applicable regulations.
• Troubleshoot system issues and determine whether repairs require internal resources or outside services.
• Monitor and operate control room systems for immediate alarm response and corrective action on a 24/7 basis.
• Apply lock out/tag out processes consistently before any maintenance work to ensure safety compliance.
• Start and stop equipment following site heating and cooling load demands using building automation systems.
• Document all maintenance activities and operations in writing and work order software to maintain continuous equipment records.
• Monitor water testing, treatment, and chemical usage for boilers and chilled water systems per water safety management plans.
• Execute proper equipment start-up and shut-down procedures while making safe operational adjustments.
• Complete required safety training platforms and computer-based training before assigned due dates.
• Monitor fuel storage systems and maintain usage logs in compliance with permits and regulations.

Skills

Boiler operation

HVAC maintenance

Troubleshooting

Safety compliance

24/7 shift

Building automation

Lifting 50 lbs

Valid driver’s license

Education

Class 1 Stationary Engineers License

Tools

Microsoft Excel

Microsoft Word

Microsoft Outlook

Job description

JLL empowers you to shape a brighter way. Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

Utilities Mechanic/Relief Stationary Operating Engineer – JLL

What this job involves:

This hybrid position combines utilities maintenance and operations within JLL's Utilities department. You'll operate, maintain, and repair critical facility support equipment including boilers (Cleaver Brooks), air compressors (Kaeser & Atlas Copco), chillers (TRANE & York), cooling towers, water treatment systems, and various pumping infrastructure. Additionally, you'll provide relief coverage for control room operations, ensuring 24/7 facility reliability. Your role is vital to maintaining facility research capabilities through reliable utility operations while embracing JLL's commitment to safety excellence and operational continuity.

What your day-to-day will look like:

• Perform scheduled preventative maintenance on utilities equipment including boilers, chillers, pumps, and cooling tower components
• Operate and maintain high-pressure steam and hot water boilers in compliance with manufacturer recommendations and applicable regulations
• Troubleshoot system issues and determine whether repairs require internal resources or outside services
• Monitor and operate control room systems for immediate alarm response and corrective action on a 24/7 basis
• Apply lock out/tag out processes consistently before any maintenance work to ensure safety compliance
• Start and stop equipment following site heating and cooling load demands using building automation systems
• Document all maintenance activities and operations in writing and work order software to maintain continuous equipment records
• Monitor water testing, treatment, and chemical usage for boilers and chilled water systems per water safety management plans
• Execute proper equipment start-up and shut-down procedures while making safe operational adjustments
• Complete required safety training platforms and computer-based training before assigned due dates
• Monitor fuel storage systems and maintain usage logs in compliance with permits and regulations

Required Qualifications:

• Minimum high school diploma or equivalent
• Two years of trades schooling in high pressure boiler and industrial refrigeration/HVAC operation theory
• 2+ years of experience in facility/plant engineering maintenance or equivalent education
• Class 1 Stationary Engineers License
• Valid driver's license
• Ability to lift 50-pound objects regularly and work in varying temperature conditions
• Capability to work 24/7 shift coverage as needed

Preferred Qualifications:

• EPA Universal Refrigeration License
• OSHA 30 Hour Certification
• Forklift, scissor lift, and aerial lift certifications
• Experience with high pressure boiler theory, chillers over 500 tons, and building automation systems
• Computer skills including Microsoft Excel, Word, and Outlook
• Ability to interpret piping and instrumentation drawings and troubleshoot complex systems
• Experience with water chemical treatment testing and documentation
• Strong interpersonal communication skills and team collaboration abilities

Location: Onsite - Creve Coeur, MO

Schedule: 1st shift with relief coverage availability

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

Personalized benefits that support personal well-being and growth:

• 401(k) plan with matching company contributions
• Comprehensive Medical, Dental & Vision Care
• Paid parental leave at 100% of salary
• Paid Time Off and Company Holidays
• Early access to earned wages through Daily Pay

At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.

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For candidates in the United States, please see a full copy of our Equal Employment Opportunity policy here.

For over 200 years, JLL (NYSE: JLL), a leading global commercial real estate and investment management company, has helped clients buy, build, occupy, manage and invest in a variety of commercial, industrial, hotel, residential and retail properties. A Fortune 500® company with operations in over 80 countries around the world, our employees bring the power of a global platform combined with local expertise. Driven by our purpose to shape the future of real estate for a better world, we help our clients, people and communities SEE A BRIGHTER WAYSM. JLL is the brand name, and a registered trademark, of Jones Lang LaSalle Incorporated. For further information, visit jll.com.