Sr Tax Analyst
Constellation Energy
Springfield, IL · Posted November 10, 2026
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November 2026
- #1Best all-round cities for new graduates in the Midwest71 / 100 · of 20
- #1Best all-round cities for new graduates in the Great Lakes70 / 100 · of 16
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- #6Best college towns for junior jobs in the Great Lakes42% · of 39
- #7Best college towns for entry-level and junior jobs42% · of 100
- #8Best cities for pay after cost of living in the Great Lakes$125k · of 16
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About the job
Who We Are
As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.
Total Rewards
Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program; comprehensive medical, dental and vision benefits, including robust wellbeing programs; disability and life insurance benefits; paid time off for vacation, holidays, and sick days; and much more.
Expected salary range of $100,800 to $112,000, varies based on experience, along with comprehensive benefits package that includes bonus and 401(k).
Primary Purpose of Position
The Senior Analyst, Federal Compliance & Accounting will assist with the preparation, recording and reporting of Exelons federal taxes in the quarterly and annual financial statements. In addition, this individual will be responsible for the preparation of income and non-income tax returns of the Exelon companies. This includes assistance with all compliance matters related to federal taxes.
Primary Duties and Accountabilities
Assist with the calculation of Constellations federal tax expense, reconcile federal tax account balances, prepare federal tax basis balance sheet adjustments, prepare federal FIN 48 and FAS 109 supporting workpapers, schedules and calculations, including federal valuation allowances, execution of all federal related SOX controls, and U.S. and non-U.S. international tax filings
Support IRS exam process, administration and drafting of responses to tax notices and preparation and filing of amended federal tax returns
Prepare workpapers, schedules, calculations and other items related to federal tax return filings as well as estimated tax payments, extension payments and tax sharing settlements.
Calculate interest expense on federal tax deficiencies, preparation of all supporting workpapers, schedules and calculations, and collaborate with other groups to ensure interest is properly reflected in financials.
Prepare workpapers and calculations supporting the tax portions of the latest estimates and long range plans
Assist with implementation of changes in tax laws, process improvements, planning opportunities, and other ad hoc projects
Assist with technical research supporting tax positions taken in federal tax filings, including drafting of written memorandums
Minimum Qualifications
Bachelor's Degree in Accounting, Finance, or related field
3-years related experience including 3 or more years of professional tax experience focusing on large publicly traded corporations, including a combination of industry and public accounting experience
Familiarity with all areas of federal and state transaction tax law
Appreciation of the impact of taxes on the financial statements
Strong research, writing and communication skills
40 hours of ongoing annual continuing professional education will be required of all professionals in the Department (at the Company's expense)
Preferred Qualifications
Certified Public Accountant or other financial certification and/or advanced degree ( MST)
Energy/Utility industry experience is desirable, though not at the expense of a broad base of experience
Primary Purpose of Position
The Senior Analyst, Federal Compliance & Accounting will assist with the preparation, recording and reporting of Exelons federal taxes in the quarterly and annual financial statements. In addition, this individual will be responsible for the preparation of income and non-income tax returns of the Exelon companies. This includes assistance with all compliance matters related to federal taxes.
Primary Duties and Accountabilities
Assist with the calculation of Constellations federal tax expense, reconcile federal tax account balances, prepare federal tax basis balance sheet adjustments, prepare federal FIN 48 and FAS 109 supporting workpapers, schedules and calculations, including federal valuation allowances, execution of all federal related SOX controls, and U.S. and non-U.S. international tax filings
Support IRS exam process, administration and drafting of responses to tax notices and preparation and filing of amended federal tax returns
Prepare workpapers, schedules, calculations and other items related to federal tax return filings as well as estimated tax payments, extension payments and tax sharing settlements.
Calculate interest expense on federal tax deficiencies, preparation of all supporting workpapers, schedules and calculations, and collaborate with other groups to ensure interest is properly reflected in financials.
Prepare workpapers and calculations supporting the tax portions of the latest estimates and long range plans
Assist with implementation of changes in tax laws, process improvements, planning opportunities, and other ad hoc projects
Assist with technical research supporting tax positions taken in federal tax filings, including drafting of written memorandums
Minimum Qualifications
Bachelor's Degree in Accounting, Finance, or related field
3-years related experience including 3 or more years of professional tax experience focusing on large publicly traded corporations, including a combination of industry and public accounting experience
Familiarity with all areas of federal and state transaction tax law
Appreciation of the impact of taxes on the financial statements
Strong research, writing and communication skills
40 hours of ongoing annual continuing professional education will be required of all professionals in the Department (at the Company's expense)
Preferred Qualifications
Certified Public Accountant or other financial certification and/or advanced degree ( MST)
Energy/Utility industry experience is desirable, though not at the expense of a broad base of experience