Application Support Engineer Jobs in Missouri

At Jack Henry, we’re more than a technology company, we’re a force for good in financial services. We’re redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates. If you're ready to help transform an industry and grow with a company that values purpose, collaboration, and excellence then we’d love to meet you.

Help financial institutions navigate one of the largest IRS electronic filing changes in decades while supporting critical tax reporting processes used by banks and credit unions nationwide.

As a Technical Application Support Analyst on the jhaFileSmart team, you will play a key role in processing, validating, transmitting, and troubleshooting electronic tax reporting files. You will work directly with financial institutions, potentially third-party vendors, and internal teams to investigate filing issues, analyze IRS acknowledgements, and help customers successfully meet regulatory filing deadlines.

This is a remote position and candidates must live within approximately a 70-mile radius of our office locations in Springfield, MO or Monett, MO.

All positions, regardless of location, may require an onsite interview or in-person onboarding requirement to verify your identity.

• Process and monitor electronic tax file submissions to the IRS.
• Review IRS acknowledgements, rejections, and accepted-with-error responses.
• Troubleshoot file validation, formatting, transmission, and processing issues.
• Analyze file processing results and identify corrective actions.
• Document findings, resolutions, and customer communications.
• Partner with operations, development, product, and support teams to resolve client-impacting issues.
• Support customers during critical filing periods and tax reporting deadlines.
• Assist with testing activities related to IRS regulatory changes and system enhancements.
• May perform other job duties as assigned.

• 3+ years of experience in technical support, application support, implementation, or backroom bank operations.
• Strong analytical and troubleshooting skills.
• Experience working directly with customers to resolve technical issues.
• Excellent verbal and written communication skills.
• Ability to manage multiple priorities in a deadline-driven environment.
• Ability to work extended hours during peak tax reporting periods as business needs dictate.

• Experience with XML, CSV, or file-based data processing.
• Financial services or fintech experience.
• Experience supporting regulatory or compliance-related products.
• Knowledge of electronic filing processes or IRS reporting requirements.
• Experience with secure file transfers and data validation.

If you got this far, we hope you're feeling excited about this opportunity. Even if you don't feel you meet every single requirement on this posting, we still encourage you to apply. We’re looking for passionate, driven individuals who align with our mission and can bring unique perspectives to our team.

Why Jack Henry?

At Jack Henry, we live by the motto: “Do the right thing, do whatever it takes, and have fun.” It’s more than a tagline, it’s the foundation of our culture. We recognize that our associates are the key to our success, and we’re deeply committed to their wellbeing. That’s why we offer comprehensive benefits designed to support your physical, mental, and financial health so you can thrive both personally and professionally.

We’re also leading the way in technology modernization, helping financial institutions evolve with speed, security, and flexibility. Our strategy focuses on delivering secure data access, mitigating fraud, and enabling seamless integration. Empowering our teams to build innovative solutions that meet the evolving needs of accountholders.

Culture of Commitment

Ask our associates why they love Jack Henry, and many will tell you it is because our culture is exceptional. We do great things together. Our culture empowers us to rise to challenges, seek new opportunities, and support one another through change. It’s this shared commitment that drives our success. We’re proud to foster an environment where inclusion, sustainability, and community impact are more than values, they’re how we operate. Visit our Corporate Sustainability site to learn more about our culture and commitment to our people, customers, community, environment, and shareholders.

Equal Employment Opportunity

At Jack Henry, we know we are better together. We value, respect, and protect the uniqueness each of us brings. Innovation flourishes by including all voices and makes our business - and our society - stronger. Jack Henry is an equal opportunity employer and we are committed to providing equal opportunity in all of our employment practices, including selection, hiring, performance management, promotion, transfer, compensation, benefits, education, training, social, and recreational activities to all persons regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, genetic information, pregnancy, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, and military and veteran status, or any other protected status protected by local, state or federal law.

No one will be subject to, and Jack Henry prohibits, any form of discipline, reprisal, intimidation, or retaliation for good faith reports or complaints of discrimination of any kind, pursuing any discrimination claim, or cooperating in related investigations.

Requests for full corporate job descriptions may be requested through the interview process at any time.