Sr Tax Accountant

ACI Worldwide

2d•Hybrid

About The Position

ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments. As a Senior Tax Accountant in Omaha (hybrid), you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem! Job purpose: Join a collaborative and high‑performing tax and finance team that supports ACI’s global operations. In this role, you’ll help ensure the company meets its tax compliance, reporting, and financial obligations while maintaining the accuracy and integrity of our financial data. This position is ideal for a detail‑oriented accounting professional with strong analytical skills, advanced Excel capabilities, and experience supporting tax reporting and compliance. You will partner closely with accounting and finance stakeholders to deliver timely, accurate, and well‑supported tax and financial reporting - helping ACI continue to innovate and lead in the payments industry.

Requirements

Bachelor’s degree in accounting, Finance, or a related field (or equivalent experience)
3+ years of relevant experience
Strong analytical and organizational skills with exceptional attention to detail
Advanced Excel skills (formulas, pivot tables, lookups, data validation)
Solid understanding of accounting fundamentals and financial reporting
Effective oral and written communication skills
Flexibility to manage multiple priorities and deadlines in a fast-paced environment

Nice To Haves

Experience working with large or complex data sets
Exposure to tax compliance, tax provision support, audit assistance, or tax research
Experience partnering with cross‑functional accounting or finance teams
OneSource tax provision and Alteryx experience a plus, but not required

Responsibilities

Identify and support process improvements and tax data automation
Prepare and review tax‑related calculations, schedules, and reconciliations for federal, state, and local filings and audits
Assist with quarterly and annual income tax provision processes including complex tax calculations
Apply accounting principles to ensure accuracy in tax‑related financial data and general ledger activity
Collaborate with internal teams on tax inquiries, audits, and special projects
Perform tax and accounting research on various projects