Rig Welder – Gas Plant Construction (5+ yrs)

Koch; Mont Belvieu (TX); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

Medical Insurance

Dental Insurance

Vision Insurance

Retirement Plan

Paid Vacation

Education Assistance

Job summary

Optimized Process Designs, LLC (OPD) in the Mont Belvieu, TX area is seeking a Rig Welder to join its field operations within the Koch Engineered Solutions ecosystem. You will weld, install piping, and support construction crews on site.

The candidate must have strong welding qualifications, experience in gas/chemical plant settings, and the ability to work autonomously while maintaining strict safety practices. OPD emphasizes teamwork, reliability, and compliance with project specs.

Qualifications

• Must pass ASME Section IX 6G pipe test (SMAW & GTAW) and AWS D1.1 plate test.
• Welding accuracy: 100% x-ray quality and visually acceptable per ASME B31.3.

Responsibilities

• Own portable welding rig, PPE, and jack stands.
• Read drawings, take measurements, read isometrics, and install piping efficiently.
• Welding pipes, tubes, fittings, and related equipment according to specifications.
• Operate tools and equipment including grinders, beveling machines, cut-off grinders, hammers, torches, magnetic drills, welding machines, and Saw-Zall.
• Possess skilled knowledge of pipe fittings, bolts, valves, etc.
• Must be able to work with minimal supervision.

Skills

Rig welding

Pipe welding

ASME code knowledge

GTAW SMAW welding

Safety awareness

Tools

Welding equipment

Job description

Optimized Process Designs, LLC (OPD) in the Mont Belvieu, TX area is seeking a Rig Welder to join its field operations within the Koch Engineered Solutions ecosystem. You will weld, install piping, and support construction crews on site.

The candidate must have strong welding qualifications, experience in gas/chemical plant settings, and the ability to work autonomously while maintaining strict safety practices. OPD emphasizes teamwork, reliability, and compliance with project specs.