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Ameren

Certified Repairman (Industrial Welder/Boilermaker/Pipefitter)

Location

West Alton, MO

Wage

$52.97/hr

Employment Type

Full-time

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Posted on September 1, 2026

Job Description

Overview

Ameren Missouri has been providing electric and gas service for over 100 years, serving 1.2 million electric and 132,000 natural gas customers in central and eastern Missouri. The Certified Repairman role involves precision welding and heavy mechanical repair work at the Sioux Energy Center in West Alton, Missouri.

Responsibilities

  • Troubleshoot and perform electric arc and gas welding, cutting, brazing, pipefitting, and insulation installation/removal on power plant equipment.
  • Perform certified welding on boiler pressure parts, pressure vessels, and piping in accordance with ASME codes.
  • Execute mechanical maintenance including repair/replacement of boiler tubes and structural steel erection.
  • Replace liner plates in fans, coal chutes, and hoppers.
  • Conduct welding repairs to castings and equipment.
  • Perform piping/valve work including measuring, layout, cutting, threading, bending, fitting, and installation.
  • Replace flange, valve, and heater gaskets; valve repacking, repair, and overhaul.
  • Clean and replace condenser and heat exchanger tubes.
  • Repair traveling water screens where applicable.

Requirements

  • High School Diploma or GED.
  • Completion of a 2 year technical college program and 5 years working as a Certified Welder Repairman, or completion of a certified apprentice program and 5 years working as a Certified Welder Repairman, or ten years working as a Certified Welder Repairman.
  • Ability to climb ramps, ladders, and stairs, work at heights and in confined spaces.

Additional Information

  • Position is eligible for annual incentive payments based on company performance.
  • The job is located at Sioux Energy Center in West Alton, Missouri.
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How this job compares in West Alton, MO

Pay in context

At roughly $53/hr, this posting sits about 83% above the $29/hr median for welding jobs across Missouri — toward the top of a $24–$33/hr middle band drawn from 67 postings with published pay. Put another way, it pays more than about 99% of the comparable postings we have wage data for. Pay that far above local median usually comes attached to something: a harder cert requirement, travel, night shift, or overtime that isn't really optional. Worth establishing which before you accept.

The local market in West Alton, MO

This is the only active welding job we're currently tracking in West Alton, MO, which makes it worth moving on quickly — there is no local competing offer to weigh it against. Across Missouri as a whole we're tracking 86 other active welding openings from 46 employers. Browse welding jobs across Missouri.

The most active employers in Missouri at the moment, by number of open welding reqs, are Webco Manufacturing (18), QPS Employment Group (8), and NABRICO Marine Products (4). Volume like that usually means either a genuine expansion or a staffing agency working several client sites — worth knowing which before you apply.

Certifications this posting mentions

  • ASME Section IX — the ASME Boiler and Pressure Vessel Code qualification. It covers welding on pressure-retaining equipment — boilers, vessels, and process piping — where a failed weld is a safety incident rather than a rework ticket.

Read straight from this posting's text. Confirm the exact qualification the employer wants before you test — requirements vary by shop even under the same code.

Similar openings near West Alton, MO

Pay figures are medians computed from live postings in the Welding Pros index, not from survey data, and they move as employers post. Certified Repairman (Industrial Welder/Boilermaker/Pipefitter) figures were last recalculated when this page was built.