Mainframe Systems Administrator

State of Missouri
Jefferson City, Missouri United States  View Map
Posted: Jun 25, 2025
  • Salary: $45,000.00-$58,943.99 per Year USD
  • Salary Top:58943
  • Full Time
  • Information Technology and Communication Services
  • Job Description

    Job Location:

    • The office for this position is located at the Harry S. Truman State Office Building, 301 W High Street, Jefferson City, MO. 65101.


    Why you’ll love this position:

    This is a Systems Administration Technician position that assists in the support of the mainframe Enterprise Server environment for the State of Missouri, which is based on the IBM z/OS operating system. This position will also assist in the administration and support of various mainframe system and third-party software products with an emphasis in Automated Operations and Content Management support.

    • Authorization to work in the United States is a prerequisite of employment. The Office of Administration, Information Technology Services Division (ITSD) will not sponsor applicants for work visas.

    • The salary indicated represents a base pay rate. If the individual selected or the position is eligible for a pay differential (e.g., shift, security, or years of service), it will be added to the total compensation in your paycheck. A pay differential does not raise your base pay.


    This position is with the Office of Administration, Information Technology Services Division (OA-ITSD) supporting the State Data Center (SDC).

    ITSD Core Values - We Innovate and Partner with Passion, Respect, and Integrity United as #OneTeam.

    • Installation and support of mainframe system and third-party software products.
    • Troubleshooting and Problem Solving.
    • Interact with software vendors to diagnose issues by collecting problem information, dumps, traces, etc.
    • Schedule and implement changes/updates requested by Customers via change management system.
    • Participate in mainframe environment Disaster Recovery testing.
    • Communicate complex work and issues that arise with Customers and with technical teams.
    • Provide support for automated operations in setup of rules and execs for system management.
    • Help with support of the content management system regarding setup of accounts and reports and product maintenance.
    • Special projects, presentations, training, reports, and other duties as assigned.


    • Ability to learn new technological skills, to interpret and apply standards, policies, procedures, and understand technical documentation.
    • Ability to work with a team to develop and implement procedures and best practices.
    • Ability to think critically and provide recommended solutions to issues.
    • Ability to multi-task and prioritize assignments.
    • Experience/Knowledge in mainframe application or system support is desired but not required.
    • Experience/Knowledge in Windows Server environment is desired but not required.
    • Experience/Knowledge in the fundamentals of computer programming logic is desired but not required.
    • Experience working with and knowledge of applications such as but not limited to: TN3270 emulation, TSO, JCL, RACF, CICS, REXX, Tivoli Enterprise Portal, Microsoft Office, WebEx and SharePoint.
    • Successful background check results are required for employment in this position. This may include background checks involving a candidate’s name and/or fingerprints and other screenings as needed for the specific position.


    Lack of post-secondary education will not be used as the sole basis denying consideration to any applicant.

    Knowledge of operating systems and applications. Knowledge of cybersecurity issues and preventative methods. Ability to troubleshoot hardware and software. Ability to research, collect, and analyze network performance.

    The classification for this position is classified as Systems Administration Technician ; click for more information.

    The State of Missouri offers an excellent benefits package that includes a defined pension plan, generous amounts of leave and holiday time, and eligibility for health insurance coverage. Your total compensation is more than the dollars you receive in your paycheck. To help demonstrate the value of working for the State of Missouri, we have created an interactive Total Compensation Calculator. This tool provides a comprehensive view of benefits and more that are offered to prospective employees. The Total Compensation Calculator and other applicant resources can be found here .

    If you have questions please contact: ITSDRecruiting@oa.mo.gov
  • ABOUT THE COMPANY

    • State of Missouri
    • State of Missouri

    Build the Missouri of tomorrow.

    Ensure a strong foundation today.

    Join a group of innovative team members focused on driving the State of Missouri forward. As public servants, our team members have the opportunity to produce work that is both lasting and important. This work serves to protect families, communities, and our natural resources.

     No matter where you are in your career, whether entry level or senior level, a career with the State of Missouri will challenge you to grow both personally and professionally. Though one employer, there is no shortage of exciting opportunities as there are many career paths you may take within the State. If you are searching for a job that transforms lives, including your own, a career with the State of Missouri is the perfect fit!

    Show more

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Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.