Job Location: Port Location - Catoosa, OK 74015,
Position Type: Full Time, Education Level: High School/GED,
Job Category: Manufacturing, We are looking for an experienced Header Welder to perform welding and fitting work on air-cooled heat exchanger headers. This position requires strong attention to safety and quality, the ability to read welding procedures and fabrication drawings, and the ability to work effectively as part of a team while maintaining production requirements.
Working Conditions

CUST-O-FAB is a complete thermal lifecycle partner delivering engineered heat transfer solutions for the critical infrastructure that powers modern life.
Since 1972, we’ve grown from a small Oklahoma fabrication shop into an integrated organization combining thermal engineering, advanced manufacturing, specialty fabrication, field execution, and lifecycle support. Our capabilities include air-cooled and shell-and-tube heat exchangers, process equipment, pressure vessels, structural and specialty fabrication, equipment upgrades, retubing, and emergency replacements.
We serve critical industries including refining and petrochemicals, midstream and LNG, power generation, data centers, industrial gases, renewables, chemical, agriculture and fertilizer, mining and metals, pulp and paper, and space exploration.
What sets CUST-O-FAB apart is our ability to support customers across the entire equipment lifecycle—from thermal design and engineering to fabrication, installation, maintenance, retrofits, and 24/7 emergency response. Our teams work together to help customers manage heat, protect uptime, and keep critical operations moving.
Managing Heat. Protecting Uptime.