System Administrator 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.

The IBM i System Administrator will be a key member of a team responsible for monitoring, maintaining, updating, securing, troubleshooting, and recovering systems in a large IBM i Data Center environment. The Administrator will report to the System Administration Supervisor, OutLink Data Center Infrastructure, and will work with other professionals to address the needs of the department. Good verbal and written communications are needed for this position to interact with internal and external customers. Administrator responsibilities are to maintain multiple system i partitions to ensure customer access and application uptime, work with data center operations, internal groups, and customers to resolve customer and data center issues. Also, this position will assist with disaster recovery/business continuity operations. Jack Henry offers career growth opportunities and competitive benefits.

This is a remote position and candidates must live within approximately a 70-mile radius of our office locations in Allen, TX; Birmingham, AL; Cedar Falls, IA; Lenexa, KS; Louisville, KY; Charlotte, NC; Springfield, MO; or Monett, MO.

The salary range for this position is $72,700 - $91,100 and will be determined based on location and experience level.

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

What you’ll be responsible for:

• Maintain IBM i partitions to ensure system availability and security for customer and application access.
• Monitor systems to ensure optimum performance and availability.
• Review security reports to ensure documented security standards are being enforced.
• Assist in preparation and periodic recovery testing of DA plans.
• Research and resolve system i and customer related issues in a timely fashion.
• Participate in on-call 24x7 support rotation.
• Perform system saves, restores as required for effective system backup and recovery.
• Install IBM operating system upgrades and PTFs as required.
• May perform other job duties as assigned.

What you’ll need to have:

• Minimum of 5 years of experience in IBM i Administration.
• Able to work extended hours and flexible/on-call schedules as business needs dictate.

What would be nice for you to have:

• Experience with System i security.
• Experience with Independent ASPs in an IBM i environment.
• Experience with hosted financial applications.

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.