CareerPlan

Commercial HVAC/R & Mechanical Systems Technician

Santa Ana, CA (OC-42)Full-time2026-07-18 → 2026-11-11
Based in United StatesNo visa sponsorshipU.S. persons only (export control)Security clearance required

Core

Assemble, install, troubleshoot, test, commission, and service heating, ventilation, air conditioning, and refrigeration systems for maritime vessels and production facilities.

Role type

HVAC/R & Mechanical Systems Technician

Builds

HVAC/R systems for maritime vessels and controlled-environment production facilities

Domain

Defense manufacturing / Maritime systems

Deliverable

physical/clinical work

Required skills

HVAC service in industrial/marine environments, refrigerant piping fabrication and brazing, EPA Section 608 certification, reading technical drawings and P&IDs, airflow and temperature/humidity measurement, OSHA safety practices (LOTO, confined space, fall protection)

Preferred skills

HVAC journeyman license, military MOS in HVAC/AC&R, AS9100/ISO 9001 environment experience, U.S. Navy or submarine HVAC experience, brazing/welding certifications (AWS), BAS/PLC controls experience, test and balancing experience

Technologies

BAS/PLC controls (Honeywell, Johnson Controls, Siemens), diagnostic tools

Responsibilities

Assemble and install equipment per engineering drawings; fabricate and install refrigerant piping; recover, recycle, evacuate, and charge refrigerant systems; conduct functional testing and tune completed systems; support facility HVAC installation and maintenance; maintain welding bay fume extraction and paint booth ventilation; monitor controlled-environment areas; troubleshoot mechanical, electrical, and control system faults

Seniority

Mid-level, hands-on IC