Trinity Products LLC

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Sr. Fabrication Welder (St. Charles - 1st Shift)

Location

Saint Charles, MO

Employment Type

Full-time

Required Skills & Certifications

TIG WeldingFlux-Core WeldingSteelPIPE
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Posted on May 6, 2026

Job Description

Overview

At Trinity Products, we’re more than just a steel fabrication company—we’re a 100% employee-owned team driven by pride, precision, and performance. As a Sr. Fabrication Welder on 1st Shift, you’ll play a vital role in creating and refining high-quality steel pipe products for industries across the nation.

Responsibilities

  • Perform weld preparation, welding, and finishing tasks in accordance with detailed specifications, blueprints, and drawings.
  • Use submerged arc welding (SAW) techniques to repair and strengthen weld seams on large steel pipes.
  • Set up and fine-tune welding fixtures and parameters for optimal welds.
  • Execute grinding, fitting, and finishing operations using manual and power tools for a clean, polished result.
  • Use power tools to properly prep joints for welding.
  • Operate and maintain welding equipment to ensure safe and effective performance.
  • Use precision measuring instruments such as calipers and micrometers to inspect and verify work.
  • Follow all safety protocols and maintain a clean, organized work environment.
  • Use an overhead bridge crane to safely move heavy, large steel materials.

Requirements

  • A minimum of 3 years of welding experience across various techniques is preferred.
  • Successful completion of an internal weld test is required.
  • Experience with D1.1 structural welding code, application, and quality standards.
  • Air carbon arc gouging experience is a big plus.
  • Must be able to identify small defects in materials and joints that could affect structural integrity.
  • Understanding three-dimensional space is essential for positioning materials and effective solutions.
  • Steel-toe boots, sleeved shirts, and a welding hood are required.
  • Experience operating an overhead crane is a big plus.
  • Comfortable working in varied ambient temperatures.
  • Able to stand, move, and stay active throughout your shift.
  • Reliable transportation to and from work.

Benefits

  • Health Insurance
  • Dental
  • Vision
  • 401k
  • PTO

Additional Information

  • Work schedule is Monday – Thursday, 5:00am – 3:30pm.
  • Work location is in person.

Benefits

Health Insurance
Dental
Vision
401k
PTO

About Trinity Products LLC

https://www.indeed.com/cmp/Trinity-Products-4