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Sr. Sourcing Specialist (IT)

Ameren
St. Louis, United Statesfull_timeVerifiedPosted 22 Apr 2026
💰 $144,500/yr($93,200/yr$144,500/yr)

About the role

About Ameren Services (B&CS)

Ameren Services provides administrative support and services to Ameren Corporation and its operating companies, subsidiaries and affiliates. Ameren Services includes a wide range of skill sets and roles, from finance and legal experts to digital and cyber specialists, plus those charged with ensuring environmental compliance and operational safety. Together, we help execute a strategy that enables Ameren to deliver superior long-term value to customers, shareholders and the environment.

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 Senior Sourcing Specialist supports strategic procurement and category management processes that create sustainable value through lower costs, improved supplier performance and efficiency with a keen appreciation/consideration for Business Partner needs and priorities. Senior Sourcing Specialists are responsible for providing working direction, mentoring, and support to Sourcing Specialists within their portfolio. Works with cross-functional teams in the implementation of category management processes. Conducts research and analysis to develop strategy and drive decision-making regarding spend, suppliers and markets. Develops category and commodity cost models. Works with Supply Chain (SC) staff and Business Partners to provide day-to-day support, strategic sourcing and procurement, and respond to questions and solve problems. The Senior Sourcing Specialist should have skills and expertise in the following areas:

Strategic Procurement Supply Chain Management

  • Category management
  • Spend analysis, market analysis and demand planning, leading practices for strategic sourcing
  • Negotiations and contract structuring
  • Supplier performance · Change management · Continuous improvement · Supplier relationship management (SRM) · Business Partner relationship management

Key responsibilities include:

1. Category Management: Support Portfolio Managers and Category Managers in developing category strategies for category spend of higher complexity and/or magnitude. Support regular assessment of Business Partner requirements and matching procurement plans to meet/adapt to business needs. Seek to develop category expertise, market dynamics and trends knowledge, insights about suppliers, pricing, and negotiating tactics.

2. Spend Analysis: Coordinate with and leverage market, supplier, and spend analyses with Sourcing Analysts to inform category strategies and competitive solicitations (e.g., RFQs). Help implement, in collaboration with Portfolio Managers and Category Managers, leading practices for spend/market analysis to develop value-adding sourcing strategies.

3. Strategic Sourcing: Execute sourcing strategies based on Category Manager guidance and leading practices and provide commercial and procurement expertise to deliver optimal outcomes. Develop competitive solicitation, bid evaluation, and negotiations materials. Support bid evaluation, negotiation strategy development, and negotiation execution. Develop contracting documentation based on established (and negotiated) terms and conditions, pricing, performance criteria, and any risk mitigations.

4. Supplier Relationship Management: As directed, communicates with suppliers and is knowledgeable about procurement practices and category strategy. Develop, maintain, and appropriately build positive and influential relationships with suppliers and Business Partners to assure Ameren of long-term, cost-effective, procurement strategy in procurement of key services and goods.

5. Supply Chain Strategy: Support the SC and category strategy development process with analysis and helps integrate it with regular business planning and budgeting cycles for SC and Ameren. Work closely with Category Manager to align strategy making processes with Business Partner processes. Assist in the preparation and communication of business cases to support SC initiatives and priorities.

6. Continuous Improvement: Execute category management improvement efforts or SC projects identified by the Director, Portfolio Managers, and Category Managers. Use continuous improvement framework to sustain SC strategy and compliance with Ameren objectives. To achiev

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Company

Ameren

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