About Ameren Illinois
Ameren Illinois provides electric transmission and distribution service and natural gas distribution service. Every day, we deliver electricity to 1.2 million electric and 816,000 natural gas customers in central and southern Illinois. We deliver safe, reliable energy to more than 1,200 communities.
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 and Perks Page for more information on benefits provided to regular full-time employees.
About The Position
The Business Performance Specialist supports the activities of Ameren Illinois, providing financial analysis and statistical information to assist with financial planning and reporting throughout the business segment.
Key responsibilities include:
- Prepare and submit the annual budget, research and offer advice to resolve any significant variances between actual and budgeted expenditures.
- Provide monthly forecast of expenditures, provide analytical and statistical information to ensure the most effective utilization of personnel, equipment and materials for the area of responsibility.
- Provide performance assessments for all projects and research and resolve any significant variances between actual expenditures and budget.
- Produce and review internal financial and operational reports; respond to ad-hoc report requests and provide statistical analysis for business performance assessment.
- Provide financial consultation, compliance and oversight by assisting with real-time funding reallocation (portfolio management-capital and O&M).
- Assist department with special projects as assigned including preparation of specialized reports and confidential documents.
- Assist in the development of department/segment procedures to ensure compliance with corporate policies.
- Coordinate the submission of all work order related documentation.
- Analyze various source systems and their data for the purpose of making recommendations in process changes to drive consistency and to improve future reporting and analysis.
- Develop and submit monthly accruals and interface with Plant Accounting.
Qualifications - Business Performance Specialist
Bachelor's Degree in Accounting, Finance, Business or related field from an accredited college or university required. Master’s Degree or CPA/CMA preferred. Three or more years of relevant accounting experience (accounting, budget preparation, and statistical analysis) required without CPA certification. One or more years of relevant accounting experience (accounting, budget preparation, and statistical analysis) required with CPA certification.
Qualifications - Senior Business Performance Specialist
Bachelor's Degree in Accounting, Finance, Business or related field from an accredited college or university required. Five or more years of relevant accounting experience (accounting, budget preparation, and statistical analysis) required. Master’s Degree or CPA/CMA/CFA preferred.
Qualifications - Lead Business Performance Specialist
Bachelor’s degree in Accounting, Business, Finance, Economics, Engineering or related field from an accredited University required. CPA, CFA, MBA or similar advanced degree in business, finance, or economics preferred. Seven or more years of relevant professional experience required.
Working knowledge of Word and an advanced level of proficiency in Excel required; Working knowledge of specific Ameren applications (UIP, General Ledger, Power Plant, IMR/OAC, EMPRV, Oracle Systems, Maximo, TRIS, etc.) preferred; Good organizational, problem solving, analytical, communication and human relation skills required; Demonstrated ability to monitor reports, solve problems and be decisive, proactive and self-motivated; Must be able to work independently on multiple tasks requiring priority setting and deadlines; Must show initiative and attention to detail and work well in a team environment.
Additional Information
Ameren’s selection process includes a series of interviews. Specific details will be provided to qualified candidates.
#LI-Hybrid
Compensation Range:
$71,100.00 - $144,500.00* This pay range encompasses multiple levels of the role. Career level and compensation depends upon applicant's credentials.
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:
Sunday July 26, 2026All 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.
Skills Required
- Bachelor's degree in Accounting, Finance, Business or related field
- Three or more years of relevant accounting experience (without CPA)
- One or more years of relevant accounting experience if CPA certified
- Working knowledge of Word
- Advanced proficiency in Excel
- Working knowledge of Ameren applications (UIP, General Ledger, Power Plant, IMR/OAC, EMPRV, Oracle Systems, Maximo, TRIS)
- Strong organizational, problem solving, analytical, communication and interpersonal skills
- Ability to work independently on multiple tasks, prioritize and meet deadlines; attention to detail; teamwork
- Master's degree or CPA/CMA/CFA or MBA
- Five or more years relevant accounting experience (Senior level) or seven or more years (Lead level)
What We Do
We're Ameren Corporation (AEE), a St. Louis-based, Fortune 500 company that powers the quality of life for millions of people throughout Illinois and Missouri. Ameren Illinois provides electric distribution and transmission service, as well as natural gas distribution service, while Ameren Missouri provides vertically integrated electric service, with generating capacity of over 10,200 megawatts, and natural gas distribution service. Combined, we serve 2.4 million electric and more than 900,000 natural gas customers in a 64,000 square mile area. We're the largest electric utility in Missouri and the second largest in Illinois, and we're among the nation's largest investor-owned electric or gas utility.







