[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Ameren · St. Louis, MO # Contract Administrator (West Alton) St. Louis, MO Full-time $88,500.00 - $137,200.00 Administrative Listed on Ameren’s official careers site. Posted October 28, 2026. Check that it is still open and apply there. [Apply on Ameren’s careers site →](https://ameren.wd1.myworkdayjobs.com/External/job/St-Louis-MO/Contract-Administrator--West-Alton-_034280) [OpenNash Jobs](https://jobs.opennash.com/) / [Ameren](https://jobs.opennash.com/companies/ameren/) / Contract Administrator (West Alton) ## Job description 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. Our benefits include: Medical coverage on date of hire 100% employer paid cash balance pension plan 401(k) with company match fully vested on date of hire Minimum of 15 days paid vacation and 12 paid holidays Paid parental leave and family caregiver leave Visit our Benefits & Perks Page for more information on benefits provided to regular full-time employees. ​ About The Position The Contract Administrator is responsible for the day-to-day administration of contracts supporting the West Alton combined cycle project, including management of contractual obligations, change orders, correspondence, and compliance across the engineer of record, constructor, and original equipment manufacturer (OEM) agreements. Reporting to the Manager of Project Management, the Contract Administrator maintains contract records, processes notices and submittals, administers the project change-order process, and supports invoicing workflows to ensure contractual requirements are met throughout the project lifecycle. The role is dedicated to the West Alton project and coordinates with Ameren’s Purchasing & Contracting organization and Legal, which retain responsibility for sourcing, negotiation, and enterprise commercial strategy. Key responsibilities include: Administer contract documents, obligations, and correspondence for the West Alton combined cycle project, and maintain the contract register and key-date tracking. Coordinate with Ameren’s Purchasing & Contracting organization and Legal to interface with the engineer of record, constructor, and OEM commercial counterparts on contractual matters. Track contract deliverables, insurance certificates, bonds, notices, and milestones against contract terms, and flag exceptions to the Manager of Project Controls for resolution. Prepare, issue, and log contractual notices and correspondence in accordance with the terms and notice provisions of each agreement. Administer the project change-order process – including review, logging, and tracking of contract changes to execution – and support invoicing workflows in coordination with the Cost Engineer and Invoice Auditor. Maintain contract records with document control and reconcile contract and invoice records with the Cost Engineer and Invoice Auditor. Support contract close-out, including final documentation, release of claims, and retention of contract records in accordance with record retention requirements. Report contract administration status, open items, change-order position, and outstanding contractual obligations to the Manager of Project Controls. Monitor and enforce standards, policies and procedures established by Ameren Corporation and regulatory entities as they pertain to contract administration. Actively contribute to initiatives that help continuously improve the workgroup in areas such as contract administration procedures and activities, software applications, co-worker engagement, and others that emerge in the organization. ### Qualifications Bachelor’s degree in business, construction management, or a related field from an accredited college or university required; equivalent relevant experience will be considered in lieu of a degree. Five years of relevant experience in contract administration on large capital projects required. Experience administering construction contracts required, with utility or industrial project experience preferred. Experience supporting contract administration under non-lump-sum or multi-contract delivery models preferred. National Contract Management Association (NCMA) certification, paralegal certification, or other role-applicable certification preferred. ### Important Location Information The work location and arrangement for this position will transition as follows: Upon hire: Hybrid work arrangement at the Ameren Development Resource Center (DRC), 11149 Lindbergh Business Ct., St. Louis, MO 63123, for approximately 18–24 months. ### Future state Following this period, the position is planned to transition to the West Alton Energy Center, 8501 N State Route 94, West Alton, MO 63386-1009, as a full-time onsite position. In addition to the above qualifications, the successful candidate will demonstrate: Strong organizational skills and attention to detail, with the ability to maintain accurate and auditable contract records and meet deadlines, are required. Working knowledge of contract administration, contractual compliance, and change-order and invoicing processes is required. Effective oral and written communication skills and the ability to work in a team environment across engineering, construction, legal, procurement, and finance are required. Experience with Microsoft Office Suite, including intermediate Microsoft Excel, is required. Experience with contract management and document control applications is preferred. Knowledge of power generation plant systems and corresponding construction practices is preferred. ### Additional Information Ameren’s selection process includes a series of interviews and may include a leadership assessment process. Specific details will be provided to qualified candidates. ### Compensation Range $88,500.00 - $137,200.00 At Ameren, base salary is one component of a competitive compensation package for employees. Our pay ranges are broad to allow for movement within our organization and to accommodate different skill sets and levels of expertise. We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the base salary offered. Roles are eligible for additional rewards including annual incentive payments based on individual and company performance. If end date is listed, the posting will come down at 12:00 am on that date: Wednesday November 18, 2026 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. ## At a glance - Posted by the employer: Oct 28, 2026 - First seen by OpenNash: Oct 31, 2026 - Last checked: Nov 7, 2026 - Listed for: 10 days - Location: St. Louis, MO - Employment type: Full-time - Pay: $88,500.00 - $137,200.00[Apply on Ameren’s careers site →](https://ameren.wd1.myworkdayjobs.com/External/job/St-Louis-MO/Contract-Administrator--West-Alton-_034280) ## Hiring at Ameren - Open jobs: 97 - New in the last 7 days: After two weekly collections - Tracked since: Jul 10, 2026 [All Ameren jobs](https://jobs.opennash.com/companies/ameren/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Ameren ### [Corporate Governance Specialist- Records Management and Policy Administration](https://jobs.opennash.com/companies/ameren/jobs/6df6e951fc32dd06368a/) St. Louis, MO ### [033565 Civil-Structural Designer 1](https://jobs.opennash.com/companies/ameren/jobs/f2d7cdb0965948e4d2cf/) St. Louis, MO ### [Benefits Compliance and Legal Analyst - Legal](https://jobs.opennash.com/companies/ameren/jobs/32e4a4a5d436f0d17435/) St. Louis, MO ### [CAD Technician Co-op](https://jobs.opennash.com/companies/ameren/jobs/686085a1dd0af469f21e/) St. Louis, MO ### [Civil Engineering Fall Co-Op](https://jobs.opennash.com/companies/ameren/jobs/4c6ec18f3c70fd71cfbe/) St. Louis, MO ## Similar jobs at other companies ### [SALES ASSOCIATE in ALTON IL S01067](https://jobs.opennash.com/companies/dollar-general/jobs/84f4da775d1677faa128/) Dollar General · Alton, IL, United States ### [SALES ASSOCIATE in ALTON IL S03935](https://jobs.opennash.com/companies/dollar-general/jobs/fbcb6d5d422ed0d94bad/) Dollar General · Alton, IL, United States ### [Universal Banker PT 20HR - 17th and Alton](https://jobs.opennash.com/companies/truist/jobs/a07f16f848b8d5dba4ca/) Truist · Miami Beach, Florida, USA ### [shift supervisor - Store# 03454, ALTON & CULVER, IRVINE](https://jobs.opennash.com/companies/starbucks/jobs/14cf15bd9a15a5761852/) Starbucks · Irvine, California, United States ### [barista - Store# 28797, ALTON PKWY & RANCHO PKWY SOUTH, FOOTHILL](https://jobs.opennash.com/companies/starbucks/jobs/d81c562cd84182edce00/) Starbucks · Foothill Ranch, California, United States [Administrative jobs](/functions/administrative/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. [ OpenNash ](https://opennash.com/) AI-native services firm that builds custom software and 24/7 AI agents. OpenNash Jobs is an OpenNash Applied AI project. [Book time with OpenNash](https://calendly.com/opennash/new-meeting?hide_gdpr_banner=1) Jobs - [Search jobs](https://jobs.opennash.com/search/) - [Companies](https://jobs.opennash.com/explore/) - [Hiring report](https://jobs.opennash.com/reports/hiring/) - [AI assistants](https://jobs.opennash.com/connect/) - [How it works](https://jobs.opennash.com/methodology/) OpenNash - [opennash.com](https://opennash.com/) - [Services](https://opennash.com/ai-agent-consulting/) - [OpenNash CX](https://opennash.com/cx/) - [AI Tools](https://opennash.com/ai-tools/) - [Blog](https://opennash.com/blog/) - [About](https://opennash.com/about/) Contact - [hello@opennash.com](mailto:hello@opennash.com) - [LinkedIn](https://www.linkedin.com/company/opennash) - [Support](https://jobs.opennash.com/support/) - [Privacy](https://jobs.opennash.com/privacy/) - [Terms](https://jobs.opennash.com/terms/) © 2026 OpenNash, Inc. Company names and public job postings belong to their respective owners. Employers control source availability and application decisions.