Class A Pipe Welder/ Fitter- Catoosa Fabrication Shop

Matrix Service Company
Matrix Service Company

Full-time

Catoosa, OK, USA

Posted on Oct 13, 2026

PRIMARY FUNCTION:

Matrix Service is seeking Class A Pipe Welders/ Fitters at the Catoosa Fabrication Shop.
Experience in the following process is required.
GMAW/ FCAW Plate 2G/3G - (0.625")
GTAW Pipe 6G- 2" Sch 160 (0.344")

Typical Duties

  • Actively supports the Company’s commitment to safety and its “Core Values.”
  • Represents the Company at all times with high moral standards while adhering to the Company’s “Code of Business Conduct and Ethics.”
  • Select equipment, tools, and materials needed.
  • Plan layout and working procedures.
  • Set up, assemble, clean, and prepare items to be welded.
  • Interprets blueprint drawings and sketches.
  • Work within precise limits and standards of accuracy.
  • Weld on structural steel, handrails, brackets, non-piping components, etc.
  • May weld pipe of all kinds, sizes and alloys by process of GTAW, GMAW, FCAW.
  • Weld high- and low-pressure pipe per specification that will be subject to NDE testing including visual, hydro, and 100% x-ray.
  • Fit up pipe in some instances, as well as perform grinding when required.
  • Perform and assist in departmental fit up activities as directed by Leadman or Shop Foreman.
  • Cleans up material and debris after completing each job.
  • Works well with peers, supervision and the QA/QC Department.
  • Performs work with little to no supervision
  • Identify safety hazards you or other employees may be subject to and take all necessary corrective action to eliminate or minimize safety hazards.
  • Perform other duties as required or assigned.

Skills, Knowledge, Qualifications & Experience

  • Previous welding experience and/or training in a fabrication environment is required.
  • Must be certified in the following processes listed below:
  • A1- GMAW/FCAW - 6G Pipe
  • A2- GTAW - 6G Pipe
  • B1 - GMAW/FCAW - 2G/3G Plate
  • B2 - FCAW - 2G/3G Plate
  • Proficient at arc gouging.
  • Ability to utilize and interpret various measuring devices and weld symbols (Tape Measure, protractor, etc.).
  • Ability to read, analyze and interpret technical information, such as codes (ASME, API 650-620).
  • Knowledge of the welding properties of various types of metals, welding rods, welding heat, stress relief, allowances for fit-up and machining, and the effect of shrinkage, warpage, and expansion.
  • Regular and reliable attendance is required in this role.

Physical Requirements

  • Lift up to 50 lbs. with assistance.
  • Finger dexterity and eye-hand coordination and ability to maintain balance.
  • Must be able to climb ladders.
  • Frequent bending, kneeling, crouching, and stooping.
  • Use of hand tools such as hammers, knives or wrenches.
  • Visual ability to include color vision and depth perception.
  • Work may include pushing, pulling, lifting or carrying objects weighing up to 50 pounds, such as raw or fabricated material, equipment or tools.
  • Identify safety hazards you or other employees may be subject to and take all necessary corrective action to eliminate or minimize hazards
  • Perform all duties while wearing protective equipment such as safety glasses, safety-toed boots, hard hat, and gloves
  • Work involves standing and/or walking for extended periods of time, up to a minimum of 8 hours per day.
  • Must be able to perform tasks in hot and cold temperatures.
  • Must be willing to work frequent overtime.
  • Must be able to obtain and maintain an active status within company designated drug consortium.

In addition, full-time employees are offered a comprehensive benefits package, including medical, dental and vision plans covering eligible employees and dependents, disability benefits, life and AD&D insurance, an employee assistance program (EAP), a 401(k) plan with company match, an employee stock purchase plan (ESPP), a robust wellness program and adoption assistance.

At Matrix, we are dedicated to building a culture of engagement, respect, collaboration and teamwork. We encourage all whose experience aligns with the listed qualifications to apply and explore joining our organization.

EEO/M/F/Disability/Vets Employer

We are an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, genetic information, marital status, disability, veteran status, or other legally protected characteristic or category.

Applicants must be currently authorized to work in the United States on a full-time basis.