Facilities Maintenance Technician I (Job Class: Building Systems Mechanic)
St. Louis County, MissouriAbout the role
Posting number: 2026-00035
Department: Transportation and Public Works - Facility Management
Job classification: Building Systems Mechanic
Posting type: Open
Categories: Building Maintenance, Facility Management, Trades, Construction Maintenance
Summary
St. Louis County is seeking a dedicated and skilled Facilities Maintenance Technician I (Building Systems Mechanic) to support the safe, efficient, and reliable operation of County-owned facilities. This role plays a key part in keeping our buildings running smoothly for employees, residents, and visitors. The ideal candidate takes pride in quality workmanship, public service, and maintaining community assets that directly support County operations.
The starting salary is between $22.03 - $26.44 / hour and will be based on your experience and qualifications.
In addition, we offer a comprehensive benefits package and a generous Paid Time Off (PTO) policy. To learn more about these and other County benefits, please visit: Competitive Benefits - St. Louis County WebsiteSt. Louis County Government is a qualified agency for the Public Service Loan Forgiveness program managed by the Federal Government. For more information regarding this program, please visit: Public Service Loan Forgiveness | Federal Student Aid
Examples of duties
- Perform routine and corrective maintenance on building mechanical, electrical, and plumbing systems
- Maintain and troubleshoot HVAC equipment including chillers, pumps, cooling towers, fan coil units, air handlers, and related systems
- Monitor and adjust controls, gauges, valves, thermostats, and energy management systems to ensure a comfortable and efficient environment
- Conduct regular building rounds, verify operating conditions, and complete necessary repairs
- Perform general building maintenance, including basic carpentry, lighting, hardware, and fixture repairs
- Complete preventive maintenance tasks following County standards, manufacturer guidelines, and industry best practices
- Inspect mechanical rooms, generators, pumps, and life-safety systems; document findings and communicate issues promptly
- Support fire and life-safety compliance through inspections and adherence to NFPA and local codes
- Respond to facility emergencies, building system failures, and occupant concerns in a timely, professional manner
- Maintain a safe, clean, and orderly work environment and comply with all County safety procedures, policies, and training requirements
- Represent the County professionally through adherence to uniform and appearance standards
- Perform other duties as required or assigned
Qualifications
- High school diploma or GED
- At least three (3) years of experience operating and maintaining mechanical, electrical, and plumbing systems in a commercial or institutional setting
- Equivalent to graduation from Technical School or completion of a formal apprenticeship in a skilled building systems trade
- Valid driver’s license
Preferred Qualifications
- Completion of a trade school program or apprenticeship
- Applicable trade licenses or certifications (e.g., HVAC, boiler operation, asbestos etc.)
- Experience with energy management systems and large-scale facility operations
- Basic computer skills (Outlook, Word, Excel)
- EPA 608 Universal certification – must have or obtain within 6 months of hire date
Supplemental information
SELECTION AND APPOINTMENT: A selection committee will evaluate the qualifications of each applicant which will include recentness and appropriateness of the applicant's education and experience, answers to the supplemental questions, results of employment references investigated and any other appropriate information available.The selection committee will admit to the interview only those persons who possess the most job-related qualifications and may establish admittance criteria beyond the minimum qualifications stated above. The interview will comprise 100% of the applicant's earned grade. A candidate must earn a qualifying grade of 70 or more on the interview to be eligible for appointment. After initial interviews with the selected candidates are conducted, an email will be sent to the address on file with instructions on how to co
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