Tax Planning Manager

Ameren • Saint Louis, MO

8h

About The Position

The Tax Planning Manager plays a critical role in advancing the tax function of Ameren. This position will lead high-impact strategic initiatives, drive process improvements, implement emerging technologies (including AI-enabled solutions) and ensure Ameren remains compliant, efficient and forward-thinking in a complex regulated environment. This position combines deep technical tax expertise with strong project management skills and the ability to collaborate across finance, legal, operations and regulatory teams. The Tax Planning Manager will help shape the future of Ameren's tax strategy while driving innovation and operational excellence.

Requirements

• Bachelor’s Degree in Accounting, Finance or related field from an accredited college or university required.
• CPA or law degree required.
• Seven or more years of progressive tax experience required.
• Five or more years of supervisory or team/project leadership experience required.
• Significant experience handling complex corporate tax projects and cross-functional initiatives required.
• Experience writing and/or reviewing technical tax memoranda required.

Nice To Haves

• MBA in accounting and/or Masters in Taxation preferred.
• Experience working for a Big 4 public accounting firm or a large law firm, as well as experience working in the regulated utility industry, is strongly preferred.
• Some state income tax experience preferred.

Responsibilities

• Lead and manage enterprise-level income tax projects that support long-term business strategy, regulatory requirements and operational efficiency.
• Partner with senior tax leadership to identify opportunities for innovation, risk mitigation and value creation.
• Develop project plans, timelines and deliverables, ensuring alignment with corporate objectives.
• Evaluate existing tax processes and identify opportunities to streamline workflows, enhance accuracy and reduce manual effort.
• Assist with the implementation of AI-driven tools, automation solutions and data-analytics capabilities within the tax function.
• Collaborate with IT, finance transformation teams and external vendors to ensure successful deployment and adoption of new technologies.
• Serve as a key liaison during IRS examinations and other regulatory reviews.
• Coordinate data gathering, documentation and responses to IRS information requests.
• Develop audit strategies, maintain audit-ready files and support resolution of tax controversies.
• Conduct complex federal and state income tax research related to Ameren tax issues, including regulated utility operations, corporate transactions and emerging tax law changes.
• Draft high-quality technical memoranda, position papers and internal guidance for senior leadership.
• Monitor legislative and regulatory developments and assess their impact on Ameren.
• Lead tax due diligence for certain renewable energy projects, including investment tax credits, production tax credits and transferability opportunities.
• Evaluate project structures, eligibility criteria and compliance requirements.
• Partner with business development, sustainability and legal teams to support renewable investment decisions.
• Work closely with accounting, finance regulatory affairs, legal and operational teams to ensure tax considerations are integrated into business planning.
• Communicate complex tax concepts to non-tax stakeholders in a clear and actionable manner.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Manager
• Number of Employees: 1,001-5,000 employees