Welder (Weekends)

Job Description

Job Description

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 Welder on our Weekend schedule (Friday - Sunday, 5:00am - 5:30pm) you’ll play a vital role in creating and refining high-quality steel pipe products for industries across the nation. This position supports both our St. Charles Steel Mill and O'Fallon, MO locations.  If you're an experienced Welder with an eye for detail, and if you’re ready to roll up your sleeves, work with purpose, and be part of a team that truly values your craftsmanship—this is the job for you!

Essential Duties & 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. Pass UT (ultrasonic testing) to include proper back gouging with air arc.
• Set up and fine-tune welding fixtures and parameters, including amps, volts, and positioning for optimal welds.
• Execute grinding, fitting, and finishing operations using manual and power tools for a clean, polished result.
• Use of 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 degree finder to measure circumference around pipe.  Occasional use of calipers and micrometers to inspect and verify work.
• Follow all safety protocols and maintain a clean, organized work environment.
• Use of an overhead bridge crane to safely move heavy, large steel materials.

Requirement:

• A minimum of 1 year of welding experience across various techniques is preferred—bring your hands-on know-how to the table.
• Prove your skills – Successful completion of an internal weld test is required to join our elite team of welders.
• Experience with D1.1 structural welding code , application, and quality standards.
• 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 —your personal gear shows you're ready to get the job done right!
• We’ve got you covered with the rest:  Trinity provides all essential PPE including a hard hat, safety glasses, ear protection, and protective gloves.
• Experience operating an overhead crane is a big plus—but if you don’t have it yet, we’ll help you get there.
• Comfortable working in varied ambient temperatures —you’re not afraid to tackle real-world conditions.
• Able to stand, move, and stay active throughout your shift—this is a hands-on, on-your-feet kind of role.
• We count on you —punctuality and dependability matter in a fast-paced production environment.

Founded in January 1979 by Robert Griggs and a team of visionary partners, Trinity Products began as a bold dream fueled by hard work, innovation, and an unwavering entrepreneurial spirit. From those humble beginnings, we’ve grown into a national leader in steel and steel fabrication—thanks to our commitment to continuous improvement and delivering exceptional value to our customers.

Today, Trinity is proud to be a 100% Employee-Owned Company , with nearly 280 employee-owners who are directly invested in our success. With six strategic locations across the country and a broad, flexible product line, we proudly serve a wide range of industries and markets nationwide.

At Trinity, we believe our strength lies in our people. Our employee-owners are not just workers—they’re stakeholders, innovators, and the driving force behind our continued growth. If you’re looking to join a company where your contributions truly matter and your voice can shape the future, Trinity Products is the place for you.

Why You'll Love Working Here:

• Employee-Owned – Your hard work builds your future. As an employee-owner, you're not just part of the team—you have a stake in the company's success.
• Shift Premium Pay – Get rewarded for working with competitive shift differentials.
• Outstanding Benefits Package – Enjoy comprehensive benefits including health, dental, vision, 401(k) with match, paid time off, and more —we invest in your well-being on and off the job.
• Modern Facility & Equipment – Work in a well-maintained environment with top-tier tools and machines.
• Career Growth Opportunities – We promote from within and offer continuous learning and development.
• Supportive Team Culture – You’re not just a number here—you're part of a tight-knit crew that values teamwork, safety, and craftsmanship.