Sr Internal Auditor

Cass Information Systems, Inc.; St. Louis (MO); On-site; USD 80,000 - 120,000; Full time

Job summary

Cass Information Systems, Inc. is seeking an experienced internal audit professional to join our team in the United States.

You will design and execute audits across accounting, financial, IT, and operational processes, applying risk-based methodologies and COSO framework principles. The role emphasizes collaboration with IT, cybersecurity, and compliance teams, performance of SOX 404 testing, and the development of data-driven audit solutions while mentoring junior staff and communicating

Qualifications

• Bachelor’s degree in accounting, finance, or business-related field.
• 4–7 years of experience in public accounting, internal audit, or similar.
• CPA or CIA certification required.
• CISA certification preferred.

Responsibilities

• Investigates and analyzes accounting, financial, IT, and other activities across operations.
• Plans, conducts, and reports on internal audits using risk-based methodology.
• Evaluates internal controls and Sarbanes-Oxley 404 compliance.
• Develops audit scope, objectives, and deliverables; communicates results clearly.
• Leads data analytics, automation, and tool-based audit procedures.
• Mentors auditors and collaborates with IT, cybersecurity, and compliance teams.

Skills

Analytical thinking

Project management

Effective communication

GAAP knowledge

COSO Internal Control Framework

Collaboration with external auditors

Mentoring staff

Education

Bachelor’s degree in accounting, finance, or business-related field

CPA or CIA certification

CISA certification preferred

Tools

Audit software

Data analytics tools

ERP systems knowledge

Job description

• Independently investigates, analyzes, and prepares reports on the effectiveness and soundness of accounting, financial, information system, and other activities throughout the Company's operations.
• Executes audits using a risk-based approach aligned with enterprise risk management (ERM) activities and emerging risk areas.
• Utilizes the concepts of internal control to plan, perform, manage, and report on the evaluation of various business processes or functions.
• Defines objectives, scope, timing, contacts, and deliverables for each internal audit engagement.
• Performs financial and operational audits in accordance with the standards of the Internal Audit policy.
• Oversees the tests of design and operating effectiveness of the internal control structure, as mandated by Sarbanes-Oxley, Section 404.
• Oversees or prepares process narratives and flow charts with defined key controls.
• Prepares clear, concise, written communications for internal and external personnel ranging from memos to formal audit reports or presentations, effectively conveying the results of assigned projects.
• Provides mentorship, coaching, and on-the job development for other auditors, fostering technical growth and audit judgement.
• Designs and executes audit procedures leveraging data analytics, automation, and advanced tools to enhance audit quality and efficiency.
• Leads the design and development of data analysis solutions, including requirements gathering, data validation, and analysis execution.
• Partners with IT, cybersecurity, and compliance stakeholders to assess technology, privacy, and information security risks, as applicable.
• Monitors emerging regulatory requirements and supports audit readiness as needed.
• Utilizes the audit function to promote awareness and value within the Company.
• Builds effective working relationships with business partners, balancing independent assurance with practical, value-added recommendations.
• Demonstrates a willingness to develop audit capabilities and respond to changes in statutory requirements and business needs.
• Other duties as needed or assigned.

SKILLS AND ABILITIES REQUIRED:

• Proven analytical and critical thinking skills.
• Ability to set project timeframes for self and team members to meet project objectives with minimal oversight.
• Effective communication skills with the ability to develop and write meaningful reports and presentations and experience articulating risks to business impact.
• Knowledge of generally accepted accounting principles (GAAP) and the COSO Internal Control Framework.
• Experience working with external auditors and vendors to support the company’s Internal Audit Plan.
• Ability to work as a positive part of a team to mentor and train less experienced staff.
• Ability to manage multiple tasks and priorities at the same time.

MINIMUM LEVEL OF PREPARATION AND TRAINING NORMALLY REQUIRED:

• Bachelor’s degree in accounting, finance, or business-related field.
• 4-7 years of experience in public accounting, internal audit, or similar field with a minimum of 2 years’ experience completing audits in accordance with the International Standards for the Professional Practice of Internal Auditing issued by the Institute of Internal Auditors (IIA).
• Certified Public Accountant (CPA) or Certified Internal Auditor (CIA) certification required.
• Certified Information Systems Auditor (CISA) certification preferred.

ABOUT OUR COMPANY:

Cass Information Systems, Inc. (NASDAQ: CASS) is a leading provider of integrated information and payment management solutions. Cass enables enterprises to achieve visibility, control and efficiency in their supply chains, communication networks, facilities, and other operations. Disbursing over $94 billion annually on behalf of its clients, and with total assets of $2.5 billion, Cass is uniquely supported by Cass Commercial Bank. Founded in 1906 and a wholly-owned subsidiary, Cass Commercial Bank provides sophisticated financial exchange services to the parent organization and its clients. Cass is part of the Russell 2000®. More information is available at www.cassinfo.com .

Equal Opportunity Employer

This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.