BrazeJobs

HVAC & Plumbing Jobs in O'Fallon, MO

Browse open HVAC and plumbing positions in O'Fallon, MO. Connect directly with local company hiring right now.

5 Active Jobs3 New This Week

Latest Openings

Showing 1–5 of 5 open listings · updated hourly

Leonardo DRS logoLeonardo DRSNov 6, 2026

HVAC Test Technician

O'Fallon, MO
Full-time45K–65K / year
Fivestartoday logoFivestartodayNov 5, 2026

HVAC Install Helper

O'Fallon, MO
Full-time40K–54K / year
MA
M and M Plumbing LLCNov 4, 2026

Plumber

O'Fallon, MO
Full-time28–38 / hour
United Rentals logoUnited RentalsNov 1, 2026

Power and HVAC Mechanic

O'Fallon, MO
Full-time52K–78K / year
Colliers logoColliersOct 31, 2026

HVAC & Building Systems Technician Impact

O'Fallon, MO
Full-time42K–54K / year

HVAC & Plumbing Job Market in O'Fallon

5 open listings in O'Fallon come from 5 employers. 100% of them are full-time roles. Listings that show pay advertise a median of $26.44 an hour (5 listings).

Who's Hiring

  • Colliers1
  • Fivestartoday1
  • Leonardo DRS1
  • M and M Plumbing LLC1
  • United Rentals1

Working in HVAC & Plumbing in MO

Missouri’s HVAC and plumbing demand is surging due to the rapid expansion of massive logistics hubs and data centers around Kansas City and St. Louis. Commercial HVAC & Plumbing Technicians skilled in high-pressure piping, process piping fabrication, and heavy commercial installs are in top demand. The state also offers a strong, affordable residential market, making it an excellent location for Apprentices and entry-level workers to establish their careers with steady, year-round construction projects.