Mainframe Systems Administrator
State of Missouri Jefferson City, Missouri, United States
- Location: Jefferson City, Missouri, United States
- Categories: Information Technology and Communication Services
- Job Type: Full Time
- Posted: Jun 25, 2025
Job Description:
Mainframe Systems Administrator
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 z/OS and TCP/IP networking support.
A successful candidate in this position needs to have a technical background in IT, good communication skills, and the ability to troubleshoot technical issues. Any candidate must also be able to work effectively in a team setting, as well as independently when the circumstances dictate it.
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.
This position is with the Office of Administration, Information Technology Services Division (ITSD) working in the State Data Center (SDC).
ITSD Core Values - We Innovate and Partner with Passion, Respect, and Integrity United as #OneTeam.
- 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.
- Communicate complex work and issues that arise with Customers and with technical teams.
- Manage the mainframe TCP/IP network for stability, complete resource definition requests (terminals, printers, etc.) and diagnose connectivity errors.
- Help support the z/OS mainframe operating system by definition changes, monitoring resources and help with maintenance updates.
- 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, TCP/IP, REXX, 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