Bank Operations & Finance Assistant

Cass Information Systems; St. Louis (MO); On-site; USD 40,000 - 48,000; Full time

Job summary

Cass Commercial Bank, a Cass Information Systems subsidiary, is seeking a Bank Operations & Finance Assistant to provide cross-functional support across Operations and Finance. You will step in during staff absences or peak periods to maintain deposit operations, item processing, and electronic services.

The ideal candidate has a high school diploma and at least two years in banking, with strong organizational skills and proficiency in Excel, and comfortable adapting to changing regulations.

Qualifications

• High School diploma or equivalent required.
• Minimum of 2 years banking experience, including deposit operations.
• Ability to multitask and adapt to cross-functional roles in Operations and Finance.

Responsibilities

• Supports liquidity and portfolio management during absences or peak workload.
• Performs deposit operations during high-volume times or staff gaps.
• Assists with electronic services operations during peaks.
• Follows all company policies and updates processes as needed.
• Provides coverage for item processing, Positive Pay, Direct Link Merchant services, check returns, ACH, and more.
• Supports Finance and Accounting Generalist with routine tasks.
• Updates policies and procedures to reflect changes.
• Participates in disaster recovery testing when required.
• Assists with invoice processing related to account analysis and FIS review.
• Performs other duties as assigned.

Skills

Organizational skills

Banking operations

Deposits & accounting systems

Adaptability to tech

Banking regulations

Communication skills

Excel

Self-motivation

Education

High School diploma or equivalent

2+ years banking experience

Job description

REPORTS TO:

Director, Bank Operations & Director, Treasurer & CSO

PAY GRADE:

N09

The Bank Operations & Finance Assistant provides cross-functional support to both the Operations and Finance departments. This role is responsible for stepping in as needed to assist with daily tasks across multiple areas during periods of staff absence or times of high volume. The individual must be adaptable, detail-oriented, and capable of efficiently switching between functions within bank operations and bank finance.

PRINCIPAL RESPONSIBILITIES AND DUTIES:

• Supports liquidity and portfolio management activities during employee absences or peak workload periods.
• Performs deposit operations functions during high-volume times or in the absence of regular staff.
• Assists with electronic services operations during peak periods or when additional coverage is needed.
• Adheres to all company and department policies and procedures and stays up to date on changing processes.
• Provides coverage for various daily operations such as item processing, Positive Pay, Direct Link Merchant services, check returns, ACH, and more.
• Supports the Finance and Accounting Generalist with routine financial tasks.
• Updates policies and procedures as needed to reflect changes in processes or regulations.
• Participates in disaster recovery (DR) testing as required.
• Assists with invoice processing related to account analysis and FIS review.
• Performs all other duties as needed or assigned.

SKILLS AND ABILITIES REQUIRED:

• Strong organizational skills with the ability to multitask effectively.
• In-depth knowledge of banking operations, including item processing and electronic banking systems.
• Familiarity with deposit, loan, and accounting systems.
• Ability to quickly learn and adapt to new banking technologies.
• Solid understanding of banking regulations, particularly in the areas of payments, digital banking, and cybersecurity.
• Excellent interpersonal skills, with strong verbal and written communication abilities for internal and external interactions.
• Proficiency in Microsoft Office applications, especially Excel (intermediate level).
• Self-motivated with a focus on achieving results.

MINIMUM LEVEL OF PREPARATION AND TRAINING REQUIRED:

• High School diploma or equivalent required.
• Minimum of 2 years of banking experience, including exposure to deposit operations and accounting functions.

ABOUT OUR COMPANY:

Founded in 1906, Cass Commercial Bank is a wholly owned subsidiary of Cass Information Systems, Inc. (NASDAQ: CASS). Headquartered in St. Louis, the Bank is an FDIC-insured institution and a member of the Federal Reserve, providing commercial banking, lending, treasury management, and equipment financing solutions nationwide.
For more than a century, we've built our reputation on trusted relationships, financial strength, and personalized service, helping clients succeed through practical, tailored financial solutions.
At Cass Commercial Bank, people are at the center of everything we do. We're committed to creating a workplace where employees are supported, respected, and empowered to grow. Our culture is rooted in collaboration, service, integrity, and innovation. Named a 2026 St. Louis Top Workplace, Cass Commercial Bank offers associates the opportunity to do meaningful work, build lasting relationships, and contribute to an organization with a long history of stability and service. Our mission is simple: help clients succeed financially while creating a workplace where employees can thrive personally and professionally.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

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.