Manager, ASC - Business Services

Ameren; St. Louis (MO); On-site; USD 132,000 - 204,000; Full time

Benefits offered by this job

Medical coverage

Pension plan

401(k) with company match

Paid vacation

Paid holidays

Parental leave

Family caregiver leave

Job summary

Ameren Services Center is seeking a Manager, ASC – Business Services to direct multiple transactional functions, ensuring continuity and compliance while eliminating waste. The role leads teams, drives process improvements and collaborates with stakeholders to advance customer affordability initiatives.

Qualified candidates will have a bachelor’s degree in accounting/finance, 8+ years in finance, and 5+ years of leadership; MBA or CPA is preferred.

Qualifications

• Bachelor of Science in Accounting, Business, Finance or related field from an accredited college or university required.
• Eight or more years of Finance-related experience required.
• Five or more years of leadership experience required.
• MBA, CPA or CTP preferred.

Responsibilities

• Lead four operational teams totaling ~25 employees and manage an operating budget exceeding $20 million.
• Collaborate with stakeholders to improve customer bill delivery and payment options.
• Ensure Sarbanes-Oxley compliance and proper documentation.
• Oversee account reconciliations and unclaimed property filings.
• Establish and monitor KPIs to evaluate operational effectiveness, service quality and cost performance.

Skills

Leadership

Communication

Project management

Education

Bachelor of Science in Accounting, Business, Finance or related field

MBA or CPA preferred

Job description

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.

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 Manager, ASC (Ameren Services Center) – Business Services is responsible for directing several transactional functions in a way that ensures business continuity and compliance while driving out waste. These functions include Customer Payments, Accounts Payable, Reconciliations and Telecom. The Manager, ASC- Business Services is also a vital member of the Ameren Service Center Lead Team tasked with onboarding new work into ASC and transforming it to support Customer Affordability initiative. This position reports to the Director, ASC. ASC is a shared services organization.

Key responsibilities include:

• Lead four operational teams totaling approximately 25 employees and manage an operating budget exceeding $20 million.
• Work with stakeholders to improve customer bill delivery and payment options.
• Stay abreast of key industry knowledge and practices through relevant association memberships and conferences, utilizing the knowledge gained to move organization forward.
• Ensure compliance with all Sarbanes-Oxley requirements and documentation.
• Ensure account reconciliations and unclaimed property filings are completed accurately and timely.
• Respond to inquiries from regulatory entities as appropriate.
• Support the ASC by building internal problem-solving capabilities and facilitation skills to result in a continuous improvement (CI) culture.
• Establish and monitor key performance indicators to evaluate operational effectiveness, service quality, compliance, and cost performance.
• Manage strategic vendor relationships, contract performance, and service delivery to optimize costs, mitigate risk, and protect company assets.

Qualifications

Bachelor of Science in Accounting, Business, Finance or related field from an accredited college or university required. MBA, CPA or CTP, preferred. Eight or more years of Finance-related experience required. Five or more years of leadership experience required.

In addition to the above qualifications, the successful candidate will demonstrate:

• High personal standards and professional conduct including integrity and ethics are required.
• Strong communication and negotiation skills to a variety of audiences required.
• Ability to develop relationships and build trust required.
• Excellent project management skills including planning and scheduling resources required.
• Knowledge of Ameren’s Labor Agreement(s) preferred and the following Ameren competencies: Think Customer, Inspire and Engage, Foster Innovation, Drive Results, Champion Learning, Build Trust, and Be Strategic

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:

$131,900.00 - $204,400.00

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

Friday October 02, 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.