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Piping jobs in o'fallon USA

3 piping jobs found in o'fallon: showing 1 - 3

Company: O’Fallon |

Location: O'Fallon, MO, USA

| Salary: US$27.28 - 28 per hour | Date posted: 13 Aug 2026

, transducers, PLCs, control wiring, and VFDs. Perform welding, cutting, and process piping repairs. Assist with grounds

Maintenance Mechanic

Company: City of O'Fallon |

Location: O'Fallon, MO, USA

| Salary: US$27.28 - 28 per hour | Date posted: 12 Jul 2026

, transducers, PLCs, control wiring, and VFDs.Perform welding, cutting, and process piping repairs.Assist with grounds and building

Commercial Hvac Estimator

Company: GPAC |

Location: O'Fallon, MO, USA

| Salary: US$120000 per year | Date posted: 29 Jun 2026

plans/specs for ductwork, piping, equipment, controls, insulating, and balancing scopes Prepare complete bid packages... details Familiarity with HVAC equipment, chillers, rooftop units, pumps, VAV/controls, and piping systems Strong analytical skills