~1h ago
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Chiller / Boiler Operating Mechanic

United StatesUnited States·Creve Coeurmid
MechanicSkilled Trades & Field Services
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Quick Summary

Key Responsibilities

• Perform scheduled preventative maintenance on utilities equipment including boilers, chillers, pumps,

Technical Tools
MechanicSkilled Trades & Field Services

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.

Responsibilities

~1 min read

• 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

Requirements

~1 min read

• 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

• 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

On-site –Creve Coeur, MO

If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements.  We’re interested in getting to know you and what you bring to the table!

What We Offer

~2 min read

JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits may include:

✓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

Location & Eligibility

Where is the job
Creve Coeur, United States
On-site at the office
Who can apply
US

Listing Details

First seen
October 3, 2026
Last seen
October 3, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
51%
Scored at
October 3, 2026

Signal breakdown

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Chiller / Boiler Operating Mechanic