Ameren is a leader in the energy industry, and our transformation toward more clean, renewable energy is also transforming other industries and infrastructure in our communities. As a regional company serving local customers, we not only serve our communities, we're a part of them. This isn't just a job. At Ameren, we invest in you, so you can power the quality of life you want.

Visit our Benefits & Perks Page for more information on benefits provided to regular, full-time employees.

About The Position Ameren Services provides administrative support and services to Ameren Corporation and its operating companies, subsidiaries and affiliates. Nearly 1,400 employees serve the company with business planning, communications, diversity, financial support, human resources, information technology, legal counsel, safety and supply services.

This is a summer, May-Aug 2026 Internship in St. Louis, MO.

Key Responsibilities Include: Analyze and explain budget and forecast variances

Update schedules used for annual labor rate calculations

Assist with budget preparation as needed

Prepare procedure documentation

Review monthly accruals

Qualifications: Requirements: Must be in student status (graduate or undergraduate) pursing a degree in Accounting, Finance, or Business, MBA from an accredited college or university.2.5 GPA or higher preferred. Good understanding of Excel, PowerPoint, and Word. Candidates must be able to demonstrate strong analytical, communication, and teamwork. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability or protected veteran status.

Compensation: We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the salary offered.

$19.00 - $29.00

If end date is listed, the posting will come down at 12:00 am on that date : Monday February 23, 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.