Certified Repairman (Industrial Welder/Boilermaker/Pipefitter)

About Ameren Missouri

Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. Our service area covers 64 counties and more than 500 communities including the greater St. Louis area

Location:West Alton, MO (St. Charles County) — nearNew Town andAlton, IL
Facility:Sioux Energy Center

About the Facility

This role is located atSioux Energy Center in West Alton, Missouri—a major industrial power facility generating approximately972 MW of electricity from two high-capacity steam turbine units. The indoor environment features expansive turbine halls, advanced steam systems, large maintenance workshops equipped for heavy-duty industrial equipment, and secure control centers—offering extensive space ideal for repair, technical, and hands-on roles.

Summary

You will performprecision welding and heavy mechanical repair work across power plant equipment to support safe and efficient plant operations.

Key Responsibilities

• Troubleshoot and performhighly skilled electric arc and gas welding, cutting, brazing, pipefitting, andinsulation installation/removal on power plant equipment.
• Perform certified welding onboiler pressure parts, pressure vessels, and piping in accordance withASME codes, subject to insurance underwriters’ inspection/certification.
• Execute a broad range of mechanical maintenance, including:
  • Repair/replacement ofboiler tubes
  • Structural steel erection
  • Replacement ofliner plates in fans, coal chutes, and hoppers
  • Welding repairs tocastings and equipment
  • Piping/valve work (measuring, layout, cutting, threading, bending, fitting, installation)
  • Replacement offlange, valve, and heater gaskets;valve repacking, repair, overhaul
  • Cleaning/replacement ofcondenser and heat exchanger tubes
  • Where applicable,repair of traveling water screens

Working Conditions & Hazards

• Full range of temperatures fromvery hot to sub-freezing; sudden changes may occur.
• Exposure tonoise, dust, dirt, fumes, odors, drafts, inclement weather, heights, and confined spaces.
• Hazards typical of welding and heavy industrial maintenance work, including burns, flashes, and risks related to elevated work and energized equipment areas.

Qualifications

• High School Diploma or GED
  AND either:
• Completion of a2year technical college programand5 years working as aCertified Welder Repairman,OR
• Completion of acertified apprentice programand5 years working as aCertified Welder Repairman,OR
• Ten (10) years working as aCertified Welder Repairman.
• Must be able toclimb ramps, ladders, and stairs, work atheights and inconfined spaces.

Department

This position is within ourEnergy Center Shop Maintenance Department.

Additional Information

Ameren’s selection process includes a series of interviews and may include candidate testing and/or an individual aptitude or skill-based assessment. Specific details will be provided to qualified candidates.

Hourly Pay:

Position is eligible for annual incentive payments based on company performance and subject to sole management discretion. Visit ourBenefits & PerksPage for more information on benefits provided to regular full-time employees. ​

If end date is listed, the posting will come down at 12:00 am on that date:

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.