Zack Estes
IT Audit Manager @Republic Bank
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WORK HISTORY
IT Audit Manager @Republic Bank
Louisville, KY, US
Performed internal control testing in compliance with Sarbanes Oxley. Tested the design effectiveness and operating effectiveness of internal controls based on managements risk assessment of the area under review. Created samples, gathered and evaluated documentation to determine if the controls are operating as intended.* Independently and collaboratively performed audit engagements based on: the risks relevant to the area under review, the adequacy and effectiveness of the control processes, and opportunities for making improvements to the operations and/or control processes.* Collaboratively worked to develop and update regularly the IT Risk Assessment based on the NIST framework. Annually test the controls contained in the IT Risk Assessment to ascertain the effectiveness of the controls.* Developed a cybersecurity risk assessment based on FFIEC guidance. Used the risk assessment to determine the Banks cybersecurity maturity and determine where strides could be made to increase cybersecurity maturity.* Performed and supervised the performance of the IT General Controls Audit. Testing included, but not limited to: access controls, change control management, program change control, physical security, contingency planning, entitlement reviews, environmental controls, and SSAE16 review.* Provide regular reports and updates to the Audit Committee and IT Steering Committee regarding audit findings, relevant IT risks, and other topics as needed.* Leveraged ACL Analytics Software to extract data from various sources. Used the data to perform analytics testing and perform testing during audit engagements. Used the scripting feature within ACL to automate testing.* Conducted annual audits of the IBM iSeries operating system, which encompassed the system values, user profiles, libraries, and build standard.* Knowledge of Sarbanes Oxley (SOX), COSO, FFIEC, Gramm Leach Bliley Act (GLBA), and PCI guidance, regulations and requirements.
EDUCATION
University of Louisville
Bachelor of Science (BS), Accounting
University of Louisville
Masters of Business Administration
ABOUT ZACK ESTES
I am an IT Audit and risk management professional with experience in IT SOX testing, internal controls, cybersecurity, technology risk, banking, and third-party risk oversight. In my current leadership role, I help evaluate and strengthen governance, risk management, and control processes across technology and business environments. My professional interests include IT audit, cybersecurity, vendor risk, regulatory compliance, and emerging risks affecting financial institutions. I am passionate about helping organizations improve control environments while making complex risk topics more practical and understandable for business leaders and stakeholders.I am also active in my local Institute of Internal Auditors chapter, where I serve as Vice President and Academic Relations Chair, helping promote the profession and build stronger connections between students, educators, and internal audit leaders. I believe strong careers are built through curiosity, continuous learning, and a commitment to growth. As a University of Louisville graduate, I value opportunities to mentor students, share career insights, and support the next generation of business professionals.
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