Sr Tax Accountant

Powering the world’s payments ecosystem

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!

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.

• 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

• 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

• 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
• One Source tax provision and Alteryx experience a plus, but not required

We seek colleagues who embody our core capabilities — these shape our culture and enable us to make a meaningful impact together:

• Ensure Accountability: holding self and others accountable to meet commitments.
• Drives Results: consistently achieving results, even under tough circumstances.
• Customer Focus: building strong customer relationships and delivering customer‑centric solutions.
• Cultivate Innovation: creating new and better ways for the organization to be successful.
• Collaborates: building partnerships and working collaboratively with others.
• Courage: stepping up to address difficult issues, saying what needs to be said.

Applicants must be currently authorized to work in the United States on a full‑time basis. This position does not offer sponsorship for employment visa status or work permit now or in the future.

In return for your expertise, we offer opportunities for growth, career development, and a competitive compensation and benefits package—all within an innovative and collaborative work environment.

Are you ready to help us transform the payments ecosystem? To learn more about ACI Worldwide, visit our web site at  or , Requisition #18766

ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally.

Job seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company ( / ). The ACI Worldwide recruitment team will always follow official channels and will never request payment.

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