Mechanical construction jobs in Charleston, SC

Active openings posted in Charleston, South Carolina with commercial mechanical contractors — HVAC service, plumbing, piping, sheet metal, building controls and project leadership. All roles are direct-hire. Competitive salary depending on experience.

Charleston jobs by role

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Gulfstream’s office is in Corona, California. Charleston, SC is a recruiting service area, not a local office. Role pages do not establish a current opening.

Open roles in Charleston

• Senior Commercial Refrigeration Technician — Charleston, SC · Specialized Technicians

  Snapshot / Role Overview We're seeking a Senior Commercial Refrigeration Technician in the Charleston, SC area to independently service commercial and light industrial HVAC/R equipment. Impact -…

Union apprentice and journeyman pay in South Carolina

Journeyman rates come from each local's own wage sheet or a named government determination; rates not confirmed against an official source are marked unverified. Apprentice start is the standard 45% first-period step — confirm the exact schedule with the hall's JATC. Gulfstream openings are direct-hire roles with contractors, not hall dispatches.

• SMART Local 399 (Charleston, SC): journeyman $27.00/hr, union apprentice start about $12.15/hr · openings near SMART Local 399
• UA Local 421 (Charleston, SC): journeyman $36.00/hr, union apprentice start about $16.20/hr · openings near UA Local 421

All union apprenticeship pay scales · Union journeyman openings by local

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