Sr Internal Auditor

Cass Information Systems; St. Louis (MO); On-site; USD 90,000 - 130,000; Full time

Job summary

Cass Information Systems is seeking an experienced internal auditor to investigate and report on accounting, financial, and operational processes. You will conduct risk-based audits aligned with ERM, plan engagements, and deliver clear findings.

You will collaborate with IT, cybersecurity, and compliance teams to assess risks and drive improvements, while mentoring junior staff and staying current with regulatory requirements.

Qualifications

• Bachelor's degree in accounting, finance, or business-related field.
• 4–7 years of experience in public accounting, internal audit, or similar field.
• CPA or CIA certification required; CISA preferred.
• Knowledge of GAAP and the COSO Internal Control Framework.
• Experience working with external auditors and vendors to support the Internal Audit Plan.

Responsibilities

• Independently investigates, analyzes, and prepares reports on effectiveness and soundness of accounting, financial, information system, and other activities.
• Executes audits using a risk-based approach aligned with enterprise risk management (ERM).
• Plans objectives, scope, timing, contacts, and deliverables for internal audit engagements.
• Prepares clear, concise written communications for internal and external personnel.
• Leads data analysis initiatives, including requirements gathering, data validation, and analysis execution.
• Partners with IT, cybersecurity, and compliance to assess technology, privacy, and information security risks.
• Mentors, coaches, and develops other auditors to foster technical growth.
• Monitors regulatory requirements and supports audit readiness as needed.

Skills

Analytical thinking

Strong communication

GAAP knowledge

COSO framework

Audit reporting

Mentoring

Education

Bachelor's degree in accounting, finance, or business

Job description

Description PRINCIPAL RESPONSIBILITIES AND DUTIES: 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.