Mechanical Journeyperson (Pipefitter) - Wentzville Assembly
$38.92 - $45.4 per hourGeneral Motors Proving Ground
Job Description
A Journeyperson Pipefitter is a driven, determined and ambitious tradesman who is responsible for installing, assembling, fabricating, maintaining and repairing of mechanical piping systems to improve functionality.
Preferred Experience Includes:
- Experience with planned maintenance systems and predictive technologies
- Experience with industrial robotics, automation, and conveyance systems
Primary Responsibilities:
- Follow established safety procedures according to OSHA standards and company procedures
- Maintain, dismantle, repair, and replace mechanical and hydraulic components (e. g. bearings, seals, details, carriers, etc.) on industrial machinery such as shafting, motors, generators, air compressors, engines, pumps, cylinders, gears, couplings, linkages, ball screws, high speed CNC spindles, coolant systems and filters, and combustion equipment and valves
- Layout, assemble, fabricate, maintain, and repair piping systems
- Use various hand or power tools for measuring, cutting, threading, grooving, bending, soldering, assembling, joining, and installing pipes, valves, and fittings
- Read and interpret blueprints for the mechanical operation and assembly of conveyor systems, material handling systems, robots, and other automation
- Operate mobile equipment (e.g. forklifts, vertical lifts, cranes)
- Determine loading requirements to rig equipment and material for lifting
- Set up and operate conventional or computer numerically controlled (CNC) machine tools such as lathes, milling machines, and grinders to cut, bore, grind, or otherwise shape parts to prescribed dimensions and finishes
- Fabricate punches, tools, steel rule tools and t-sets to exact specifications
- Plan sequences of operations for fabricating tools or assemblies using blueprints, sketches, or models
- Determine quality of finished products, ensuring defect-free parts, by verifying dimensions, alignment, and clearances for conformance to specifications using measuring instruments such as calipers, gauge blocks, micrometers, and dial indicators
Interested individuals must meet the following minimum qualifications:
- At least six (6) years of related experience in a Mechanical trade (Pipefitter) or a U.S. Department of Labor Certificate of Completion in a Mechanical trade (Pipefitter).
- Must be able to satisfactorily complete the General Motors hiring process requirements which includes comprehensive assessments, drug testing, and a background check
- At least 18 years of age
- Eligible to work in the United States
- Must be willing to work flexible shift hours and day, afternoon, or night shifts as well as overtime hours daily, weekend and holidays on those shifts with little notice
- GM DOES NOT PROVIDE IMMIGRATION-RELATED SPONSORSHIP FOR THIS ROLE. DO NOT APPLY FOR THIS ROLE IF YOU NEED OR WILL NEED GM IMMIGRATION SPONSORSHIP TO WORK OR TO REMAIN EMPLOYED AT GM (e.g., H-1B, TN, STEM OPT, etc.).
- If you are a current GM employee operating under a collective bargaining agreement, please contact your local HR/LR for employee placement opportunities.
- This position may be filled with a Journeyperson or Journeyperson In Training, the compensation ranges for a JIT include ($38.92 - $45.40) or Journeyperson rate of $46.33. Certificates/credentials and scoring in interview will determine your status and pay.
Physical Requirements
- Quick response to safety instructions, alarms, and signals are a must
- Ability to work and stand for extended periods
- Comfortably wear personal protective equipment
- Navigate a busy environment
- Bend, twist, kneel, crouch, and reach
- May need to lift or carry materials weighing up to 50 lbs. depending on department
- Occasional sitting during certain tasks
- Drive mobile equipment when needed
About GM
Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.
Why Join Us
We believe we all must make a choice every day – individually and collectively – to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.
Benefits Overview
From day one, we're looking out for your well-being–at work and at home–so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources .
Non-Discrimination and Equal Employment Opportunities (U.S.)
General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.
All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws.
We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire .
Accommodations
General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us or call us at View phone number on click.appcast.io. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.
- ...support plumbing and backflow work throughout the St. Louis region Test, troubleshoot, repair, and maintain backflow prevention assemblies Install and repair piping, valves, fittings, and related plumbing components Pull permits and complete required plumbing and backflow...SuggestedFor contractorsApprenticeshipLocal area
- ...Fabricate advanced part/weldments by using equipment to clean, prepare, cut, burn, and weld pieces, setting up and measuring assemblies Verify welding results by inspecting and testing welds Update job knowledge by participating in company provided training opportunities...SuggestedImmediate startDay shiftAfternoon shift
- ...Missouri, specializing in high-complexity machined parts and assemblies for the aerospace and maritime industries. Seyer is a turnkey... ...extensive capabilities, including CNC machining, design engineering, mechanical assembly, chemical processing, painting, kitting, welding, and...SuggestedTemporary work
$54k - $72k
...drawings, ensuring all orders are custom. Use equipment to clean, prepare, cut, burn, and weld pieces, setting up and measuring assemblies. Verify welding results by inspecting and testing welds. Essential Skills Minimum of 3 years MIG/TIG welding experience....SuggestedWeekly payPermanent employment$85k - $250k
Hosack Plumbing, Heating & Cooling | O’Fallon, MO $85,000–$250,000+ Earning Potential | Year-Round Work | Full Benefits | Company Vehicle 2+ Years of Residential Plumbing Experience Required Join the Hosack Team Hosack Plumbing, Heating & Cooling is growing...SuggestedHourly payFull timeLocal areaWork visaMonday to Friday$25 - $35 per hour
...Fabricator Job Description This role involves welding and assembling structural metal components and products using MIG welding... ...including equipment comparable to Fronius systems. Strong mechanical aptitude and familiarity with structural metal fabrication....Weekly payContract workTemporary workShift workWeekend workAfternoon shift- Description Jerry Kelly Heating & Air Conditioning is a trusted leader in residential HVAC services in the St. Louis Metro area. As we continue to grow our service offerings, we are seeking an experienced Residential Service Plumber to join our team. This role focuses ...Weekly payTemporary workLocal area
- ...weld seams on large steel pipes. Pass UT (ultrasonic testing) to include proper back gouging with air arc. Interpretation of mechanical drawings , including weld requirement symbolism. Set up and fine-tune welding fixtures and parameters, including amps, volts...Flexible hoursShift workAfternoon shift
- ...Tools and Equipment: Burr and grinding guns, drill press, hand sanding equipment, tote pans, belt grinders, heliarc welders mechanics hand tools etc. Material: Aluminum, copper, and brass based castings, welding gases, weld rod, etc. Working Procedure:...Night shift
$30 - $52 per hour
Job Description Job Description $30$52/hour + Performance Bonus | Take-Home Truck | No On-Call | Full-time | St. Peters, MO (St. Louis area) About Grasser Home Services Grasser Electric added plumbing at the beginning of 2026 as part of Grasser Home Services . ...Hourly payPrice workFull timeApprenticeshipWork from home
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Mechanical Journeyperson (Pipefitter) - Wentzville Assembly. Be the first to apply!


