Welding Inspector Union Jobs in Missouri (NOW HIRING)

This role focuses on performing high-quality welding and assembly work on primarily steel components, with occasional stainless steel and aluminum, in a busy shop environment. You follow detailed directions, weld symbols, schematics, and blueprints to fabricate and assemble parts to precise specifications, while maintaining a strong commitment to safety, quality, and continuous improvement.

• Read and interpret weld symbols, schematics, and blueprints to understand project requirements and fabrication details.
• Select appropriate metals and materials, then measure, cut, and join them according to specifications and quality standards.
• Prepare metals and work surfaces to ensure safe, effective, and accurate welding and assemblage.
• Perform MIG welding as the primary process, with occasional TIG welding on stainless steel or aluminum as needed.
• Regularly clean, inspect, and maintain welding equipment, tools, and machinery to ensure proper operation and safety.
• Safely operate forklifts, scissor lifts, and other lift-assist devices to move materials and assemblies within the shop.
• Test each assembly for proper fit and function, making adjustments as needed to meet design and performance requirements.
• Inspect parts using precision measuring tools such as tape measures, calipers, squares, micrometers, and protractors.
• Accurately track and log assembly time on time sheets for each project to support production planning and documentation.
• Properly identify, follow, and document Quality Management System (QMS) and departmental procedures.
• Maintain a clean, organized, and safe work area, adhering to all safety standards and plant rules.
• Test the strength and integrity of each weld and joint during and after project completion to ensure reliability.
• Liaise with leadership to report issues, suggest improvements, and support continuous process enhancement.
• Follow all plant safety protocols and guidelines when operating equipment and performing welding tasks.
• Perform other related duties as assigned to support production goals and team objectives.

• Demonstrated ability to follow directions and work from weld symbols, schematics, and blueprints.
• Strong MIG welding skills, primarily on steel components.
• Ability to perform TIG welding, especially for occasional stainless steel or aluminum work.
• Proficiency in selecting, measuring, cutting, and joining metals to meet exact specifications.
• Experience preparing metals and work surfaces for safe and effective welding and assembly.
• Capability to test assemblies for proper fit, function, and joint strength.
• Skill in inspecting parts with precision measuring tools, including tape measures, calipers, squares, micrometers, and protractors.
• Ability to safely operate forklifts, scissor lifts, and other lift-assist tools in a shop environment.
• Strong attention to detail in documenting QMS and departmental procedures and completing time sheets accurately.
• Commitment to maintaining cleanliness and organization in the work area and following all safety standards and plant rules.
• Must pass both a written weld test and a bench weld test as part of the qualification process.

• Familiarity with working in a large, busy shop environment sectioned by departments.
• Comfort working with steel as the primary material, with occasional stainless steel or aluminum projects.
• Ability to communicate effectively with leadership and team members to report issues and support process improvements.
• Willingness to perform additional duties as assigned to support overall production and team success.
• Understanding of quality management principles and departmental procedures in a manufacturing or industrial setting.

You join a union-supported environment that offers a competitive pay scale aligned with the local market. Once you transition to permanent status, you can bid on more skilled positions, providing clear opportunities for advancement and pay increases as you grow. The operation is consistently busy, offering stable work and long-term career potential. After conversion, you receive a safety-focused shoe stipend, along with union-based tenure and PTO that recognize your time on site and support your work-life balance.

You work in a large shop environment that is divided into departments and consistently active with ongoing projects. The facility is not climate-controlled, but conditions are managed with fans and heaters to maintain a workable environment throughout the year. You use welding equipment, precision measuring tools, forklifts, scissor lifts, and other lift-assist devices as part of your daily tasks. The setting emphasizes safety, adherence to plant rules, and maintaining a clean and organized workspace, with attire focused on safe, practical clothing suitable for welding and industrial shop work.

This is a Contract position based out of Saint Louis, MO.

The pay range for this position is $29.25 - $30.25/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Saint Louis,MO.

This position is anticipated to close on Aug 24, 2026.

Aerotek® Inc. provides staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance. We provide the expertise, solutions and people required to rise to the challenges of North American industry. Headquartered in Hanover, Md., Aerotek operates a unified network of over 200 offices across North America, supporting more than 18,000 clients each year. Aerotek is an Allegis Group company, the global leader in workforce and business solutions. To learn more, visit: Aerotek.com | 1-888-AEROTEK.

Aerotek offers weekly pay, employee benefits including medical, dental & vision, life insurance, health advocacy and employee assistance programs, a 401(k) plan, and employee discounts.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance:
Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector:
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI):
We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.

We know that finding work is hard, and finding meaningful work is harder. Aerotek connects 180,000+ light industrial and skilled trades workers with 14,000+ employers each year, helping our workers navigate an evolving labor market and find jobs that meet their goals, skills, and interests. Since 1983, we have provided a variety of career opportunities across North American industry – from short-term assignments at Fortune 500 companies where you can build your skills, to long-term opportunities where you can play a vital role in solving companies’ construction, manufacturing, and maintenance challenges. Our 1,500+ experienced recruiters across 250+ offices work relentlessly to put our workforce in a position to thrive. Let us rise to meet your challenges and put our people-are-everything spirit to the test as your career continues to grow.