Structural Steel Fitter-Welder

At Loenbro, we don’t just offer jobs—we build careers grounded in integrity, teamwork, excellence, and purpose. Join a team where your expertise is valued, your growth is supported, and your work helps maintain and enhance the critical infrastructure that powers communities across the nation.

About Loenbro

Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S. Our market spans all industries and our service offerings include Critical Electrical, Mechanical & Structural, Soft Crafts, Inspection, Underground Maintenance and Installation, and Fabrication. Our expertise lies in simplifying the complex and establishing long-standing relationships with our partners. We have a national presence but a local approach—every customer benefits from our capabilities and our care.

The Fitter-Welder is responsible for laying out, fitting, assembling, and welding structural steel components according to approved drawings, shop details, weld procedures, and quality requirements.

• Job Layout & Preparation
• Review shop drawings, fabrication drawings, and weld symbols.
• Verify dimensions, material sizes, and piece marks before starting work.
• Lay out beams, columns, braces, plates, angles, channels, and miscellaneous steel.
• Measure and mark locations for holes, stiffeners, clips, plates, connections, and attachments.
• Identify discrepancies between drawings and material before fabrication.
• Verify material grade and heat/traceability information when required.
• Use tape measures, squares, levels, framing tools, lasers, and other measuring equipment.
• Position and align structural steel components according to drawings.
• Set proper dimensions, squareness, plumb, and alignment.
• Use clamps, jigs, fixtures, strongbacks, and temporary attachments as required.
• Tack weld components to maintain proper fit-up.
• Verify fit-up before final welding.
• Make adjustments to compensate for weld shrinkage and distortion.
• Welding
• Perform FCAW, GMAW, SMAW, or other qualified welding processes as required.
• Follow approved WPS requirements.
• Maintain proper preheat, interpass temperature, amperage, voltage, travel speed, and weld size.
• Produce welds that meet applicable quality requirements.
• Inspect welds visually and correct defects when identified.
• Perform weld repairs according to approved procedures.
• Quality Control
• Check completed work against drawings before releasing the job.
• Verify dimensions and weld sizes.
• Ensure parts are properly identified and traceable.
• Correct fit-up, dimensional, or welding issues before the assembly moves to the next department.
• Communicate drawing discrepancies or material issues to supervision and QC.
• Safety & Housekeeping
• Follow all company safety procedures.
• Wear always required PPE.
• Inspect welding equipment, grinders, lifting devices, and tools before use.
• Maintain a clean and organized work area.
• Properly secure and handle steel and fabricated components.
• Follow proper rigging and crane safety procedures.

• Ability to read structural steel fabrication drawings.
• Understanding of welding symbols.
• Strong measuring and layout skills.
• Ability to calculate basic dimensions and angles.
• Ability to use tape measures, levels, squares, lasers, and layout tools.
• Welding experience.
• Ability to operate grinders and fabrication equipment safely.
• Ability to identify fit-up and dimensional problems.
• Ability to work independently from drawings and instructions.
• Strong attention to detail.

• Quality work with minimal rework.
• Accurate layout and fit-up.
• Meets scheduled production dates.
• Follows WPS requirements.
• Maintains safe work practices.
• Keeps work area organized.
• Communicates problems before they affect production.
• Takes ownership of assigned jobs from layout through completion.

The physical demands and work environment described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

• Outdoor industrial sites with exposure to weather extremes.
• Potential exposure to noise, dust, chemicals, or other environmental factors.
• Travel requirements: up to 10% of time.

This role requires compliance with all applicable safety regulations, personal protective equipment (PPE) requirements, and Loenbro's Environmental Health and Safety (EH&S) policies.

Loenbro offers a…