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Building Systems Mechanic

Job in Clayton, St. Louis County, Missouri, USA
Listing for: St. Louis County
Full Time position
Listed on 2026-02-22
Job specializations:
  • Trades / Skilled Labor
    HVAC Tech / Heating Engineer, Maintenance Technician / Mechanic
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Overview

St. Louis County Department of Transportation and Public Works is hiring for the Building Systems Mechanic position at its complex in Clayton, Missouri. The role performs mechanical and maintenance work on a journeyman level in an assigned area of specialization.

The hourly starting salary is $21.49 - $25.79 and will be based on your experience and qualifications.

We offer a comprehensive benefits package and a generous Paid Time Off (PTO) policy. Competitive Benefits – St. Louis County Website. St. Louis County Government is a qualified agency for the Public Service Loan Forgiveness program. Public Service Loan Forgiveness – Federal Student Aid.

Responsibilities
  • Provide maintenance support and repair for County facilities:
    • Electrical maintenance, repair, and installation work associated with conduit and cable runs, switch gear and panels, electronic instruments and control equipment, motors, security and fire protection equipment, lighting, gas and electric heaters, refrigerators and laundry appliances, chillers and boilers, and generators and transformers.
    • Plumbing/pipe fitting maintenance, repair, and installation associated with plumbing fixtures and assemblies; PVC, copper, cast iron, other metal and glass piping; boilers and chillers; hot water generators; and water treatment systems.
  • Perform HVAC and mechanical maintenance, repair and installation associated with system controls; boilers and chillers; commercial and residential‑type HVAC systems; food preparation and storage equipment; material handling equipment; confinement systems; power generation and filtering equipment; and water treatment equipment.
  • Perform such additional duties, including asbestos material remediation/abatement, hazardous material/waste handling, custodial tasks, remove snow and ice, and other duties as required.
Qualifications
  • Graduation from Technical School or completion of a formal apprenticeship in a skilled building systems trade.
  • At least three years of related experience or any equivalent combination of training and experience.
  • A current, valid driver’s license is required.
Equipment Used

Automobile, van, dump truck outfitted with a snowplow and salt spreader; band saw; broom; come‑along; computer; drill press; drills; electric arc welder; grinder; HVAC tools (refrigeration gauges, vacuum pump, leak detector, temperature sensing monitor); manlift; pipe cutter and threading machine; power equipment; propane and acetylene torches; soldering equipment; hand tools; measures and levels.

Working Conditions

Balance, bend at waist; climb or work on or from manlifts, scaffolding, ladders, and stairs; exposure to dust/dirt, fumes and hazardous materials; crawl, kneel, lift, push/pull, reach above shoulder level, squat, stoop; stand or walk for long periods; walk on uneven ground; work in extreme temperatures (heat/cold); and out of doors in inclement weather.

Selection and Appointment

A selection committee will evaluate the qualifications of each applicant, including education, experience, supplemental questions, employment references, and any other relevant information. The committee will admit to interviews only those persons who possess the most job‑related qualifications. The interview comprises 100% of the applicant’s earned grade; a qualifying grade of 70 or more is required. The five top ranking candidates, based on the final grade, will be certified to the Department Director/Appointing Authority for a final decision.

All applicants conditionally offered a merit position will be required to submit to urinalysis to screen for illegal drug use prior to appointment. The cost of screening will be covered by the County.

How to Apply

Applicants should visit the website at  and submit an online application only.

Equal Employment Opportunity Policy

The policy of the Civil Service Commission of St. Louis County is to support fair and equitable employment opportunities for all persons regardless of race, color, religion, sex, national origin, age, disability, sexual orientation, gender identity, marital status, veterans’ status or political affiliation. Call the Division of Personnel at  for more information on this policy.

Contact Information

St. Louis County – Division of Personnel, 7th Floor, Clayton, MO 63105

Phone:

Relay MO 711 or

Fax:

Website:(Use the "Apply for this Job" box below)..gov

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