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This position has closed. BMO removed this listing from their careers page on Oct 3, 2026. The interview prep below is still useful, and there are similar open roles at the bottom of this page.

Senior Service Representative-ACH

BMO · Naperville, IL · $43,000–$75,000 a year · Full time

Posted Sep 16, 2026 · We last checked this listing on Oct 1, 2026

Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

This role is at 1200 East Warrenville Road in Naperville. How does that fit your life?

What they are checking: The posting states the address and town.

What would you do

A payment file does not process as expected. Walk me through what you do.

What they are checking: The daily operational reality of a production environment.

How do you decide something is beyond you and needs escalating?

What they are checking: The posting names referring non-routine issues to more senior team members or the manager.

How do you support a more junior colleague who is stuck?

What they are checking: The posting names functioning as a problem-solving resource for junior staff.

How do you organize a day where the processing deadlines are fixed?

What they are checking: Payments operations run to cut-off times that do not move.

How do you support a change to a process you have to keep running at the same time?

What they are checking: The posting names supporting change management focused on execution and sustainment.

About the work

Tell me about your payments or banking operations experience.

What they are checking: The posting is in ACH production within deposit and payments operations.

What do you know about how ACH processing works?

What they are checking: The posting names ACH production supporting retail and electronic transaction processing.

How do you carry out quality control on someone else's work?

What they are checking: The posting names performing quality control and training.

How do you build a report that people actually use?

What they are checking: The posting names gathering and formatting data into regular and ad-hoc reports and dashboards.

Practice this interview out loud.

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Practice this out loud

The full job description

As published by BMO.

Application Deadline: 10/02/2026 Address: 1200 E. Warrenville Road Job Family Group: Customer Shared Services Provides day-to-day delivery of critical operational, administrative, and servicing activities within ACH Production. ACH Production supports retail and commercial deposit and payment products and services. Responsible for executing payment transactions, processing service requests, completing administrative functions, and fulfilling business, stakeholder, and customer inquiries within established service level agreements (SLAs). Deposit and Payments operations includes (but are not limited to) specialized operations processes and activities related to cheque and electronic transaction processing, lockbox and remote deposit processes, account maintenance and monitoring, etc. • Analyzes data and information to provide insights and recommendations. • Gathers and formats data into regular and ad-hoc reports, and dashboards. • Communicates and collaborates with internal and external stakeholders in order to deliver on business objectives. • Supports change management of varying scope and type; tasks typically focused on execution and sustainment activities. • May function as a problem-solving resource for more junior staff, referring non-routine issues to more senior team members and/or manager. • May perform quality control and training. • Organizes work information to ensure accuracy and completeness. • Executes routine tasks such as service requests, transactions, queries etc. within relevant service level agreements. • Provides accurate and timely processing of service requests, transactions, activities, etc. within relevant service level agreements and in accordance with established policies, processes and procedures. • Provides accurate, consistent, knowledgeable responses to stakeholder questions and requests. • Follows documented policies and procedures to execute day to day transactions, activities, processes and ensures all Service Level Agreements(SLAs) are met. • Checks and reconciles information and documentation to ensure accuracy and completeness. • Identifies and resolves discrepancies in accordance with standard procedures. Escalates issues, where necessary, as per guidelines. • Communicates and collaborates with internal and external stakeholders in order to deliver on business objectives. • Collaborates in development/implementation of new processes/systems and changes/improvements to existing systems and processes. • Develops and maintains an understanding of the regulatory requirements and risks inherent in the operations and ensures appropriate actions are taken and operational integrity is maintained. • Completes complex & diverse tasks within given rules/limits and may include handling escalations from other employees. • Analyzes issues and determines next steps. • Broader work or accountabilities may be assigned as needed. • Take measured risks while protecting the bank by applying our Risk Management Framework in the execution of your role, in line with our Risk Culture and within our approved Risk Appetite, making sound and risk informed decisions that align to business strategy, protect assets, and adhere to applicable policy documents (Frameworks, Policies, Standards, Procedures and Supporting documents), laws and regulations. Qualifications: • Typically between 2 - 3 years of relevant experience and post-secondary degree in related field of study desirable or an equivalent combination of education and experience. • Knowledge and experience using relevant systems and technology – Good. • Knowledge and understanding of the business unit’s key products and services, processes and controls – Good. • Knowledge of the risk and regulatory requirements of the business – Good. • Prioritization skills – Good. • PC skills (MS Word, Excel, PowerPoint) – Good. • Ability to multi-task in a fast-paced environment. • Specialized knowledge. • Verbal & written communication skills - Good. • Organization skills - Good. • Collaboration & team skills - Good. • Analytical and problem solving skills - Good. Evening Shift: 3;30-midnight Salary : $43,000.00 - $75,000.00 Pay Type: Salaried The above represents BMO Financial Group’s pay range and type. Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group’s expected target for the first year in this position. BMO Financial Group’s total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit: https://jobs.bmo.com/global/en/Total-Rewards About Us At BMO we are driven by a shared Purpose: Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world. As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one – for yourself and our customers. We’ll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we’ll help you gain valuable experience, and broaden your skillset. To find out more visit us at http://jobs.bmo.com/us/en BMO is proud to be an equal employment opportunity employer. We evaluate applicants without regard to race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or any other legally protected characteristics. We also consider applicants with criminal histories, consistent with applicable federal, state and local law. BMO is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to BMOCareers.Support@bmo.com and let us know the nature of your request and your contact information. Note to Recruiters: BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.