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Ameren Certified Repairman(Welder)/Production Operating Eng - Repairman in St. Louis, Missouri

If end date is listed, the posting will come down at 12:00 am on that date:Friday December 31, 2021

Ameren Missouri is part of St. Louis-based Ameren Corporation, generating almost 10,200 megawatts and serving 2.4 million electric customers in Missouri, including 130,000 natural gas customers. Our 4,000 employees account for more than one third of Ameren’s 8,500 total workforce and our service area covers 63 counties and more than 500 towns, including the greater St. Louis area.

Current Openings

  • Production Operating Engineer – RepairmanResponsible for troubleshooting and performing adjustments/repairs to all steam-electric power plant equipment. Responsible for patrolling boilers, turbines, generators, and auxiliary systems equipment such as pumps, heat cycle equipment, coal handling and pulverizers and electrical switchgear, including transmission switchgear. Perform electrical switching and valving, place or remove WPA tags and other operating duties required in connection with removing equipment from service and returning equipment to service. Observe starting and operating conditions of equipment; make inspections, reports and corrections as required. Operate bottom ash sluicing, fly ash and pyrites systems as required or as assigned. Adjusts when equipment becomes faulty while operating or is available for operation in an attempt to insure continuous operation of the unit. This position is an operations position, and requires additional tasks and responsibilities of operating the plant equipment.

  • Certified Repairman – Responsible for troubleshooting and performing highly skilled electric arc, gas welding and curring, brazing, pipefitting and insulation installation and/or removal on all varieties of power plant equipment. Work includes a general range of highly skilled electric and gas welding brazing and cutting on boiler pressure parts, pressure vessels, and piping in accordance with the applicable ASME codes and which are subject to insurance underwriters inspection and certification. Perform other maintenance work on heavy mechanical equipment such as repair or replacement of leaking or weakened boiler tubes; structural steel erection; replacement of liner plates in fans, coal chutes and hoppers; welding repairs to castings and equipment; fitting and welding of all sizes of piping and valves, including items such as measuring, laying out, cutting, threading, bending, fitting and installation of pipe and tubing, replacement of flange, valve, and heater gaskets; valve repacking, repair and overhaul; cleaning and replacement of condenser and heat exchanger tubes; where applicable, the repair of traveling water screens. This position is within our Energy Center Shop Maintenance Department.


  • High School Diploma or GED

  • Qualification standards as established in the Apprenticeship Program. In event no graduating apprentice is available.

  • Must satisfy requirements as prescribed in the Supplementary Agreement on Uniform Practices Regarding Promotion to Repairman (Certified) Jobs.

  • Must have an Ameren UE Maintenance Journeyman background or must demonstrate equivalent knowledge and performance.

  • Must be able to climb ramps, ladders, and stairs, have no fear of height, have no trouble

  • working in close places.

  • Must pass prescribed welder qualification tests in accordance with the requirements of Section IX of the ASME Boiler and Pressure Vessel Code.


  • Working location could include our Sioux, Rush Island or Labadie Energy Centers.

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.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability or protected veteran status.

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.

St. Louis-based Ameren Corporation powers the quality of life for 2.4 million electric customers and more than 900,000 natural gas customers in a 64,000-square-mile area through its Ameren Missouri and Ameren Illinois rate-regulated utility subsidiaries. Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Ameren Missouri provides electric generation, transmission and distribution service, as well as natural gas distribution service. Ameren Transmission Company of Illinois develops, owns and operates rate-regulated regional electric transmission projects. For more information, visit, or follow us on Twitter at @AmerenCorp,, or LinkedIn/company/Ameren.