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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # z/OS System Programmer - Network Systems - **Company:** Fidelity National Information Services - **Location:** Jacksonville, FL, United States - **Experience:** Expert - **Salary:** $90,040.0 - $153,070.0 - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Unix, Computer Programming, Data Centers, Disaster Recovery, IBM Parallel Sysplex, Rexx (Programming Language), Tivoli Management Framework, Mainframes, Network Monitoring, Session Management, Session Manager SubSystems, TCP/IP, Transmission Control Protocol (TCP), Wireshark, Z/OS, Tso/ispf, Computer Networking Systems, System Availability, Information Technology - **Published:** November 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/z-os-system-programmer-network-systems-jacksonville-fl--803c02aa-2ba9-4d4e-8df9-199eb01b14cd ## About the Role IBM z-OS Operating System, Systems/Internals Programming, Network Systems, Computer Science, Finance, IBM Sysplex, TCP/IP (Transmission Control Protocol/Internet Protocol), Printers, Network Systems, IBM VTAM (Virtual Telecommunications Access Method), Bachelor of Computer Science, The Mainframe Network System team has responsibility for the connectivity portions of mainframe z/OS LPARs and printers and print components. This includes products/systems such as VTAM, TCP/IP, PAGENT, NJE and RJE printers and associated products. The support is across multiple physical mainframe locations consisting of many LPARs in various configurations, which include stand-alone and parallel sysplex environments. We are looking for a motivated, self-starter who is anxious to step in and contribute while expanding your technical knowledge and skills., * Possess exceptional written and verbal communication skills, including a vocabulary and style which permits the conveyance of technical information clearly, concisely and unambiguously. * Be able to communicate effectively to a wide range of audiences in a group presentation setting. * Have a demeanor and communications style which is commensurate with client facing communications. * Be self-motivating and able to work in a fast-paced environment and work on multiple tasks - completing those tasks within the given timeframe * Be able to function as a team member in a multi-group, multi-team member environment * Be able to use Microsoft PC products like MS-Word and MS-EXCEL * Have at least 7 years programming experience in a technical environment. * Be able to perform the functions listed in job description * Be able to use TSO/ISPF sufficiently * Be proficient in configuration, maintenance, and diagnostics in z/OS Communication Server SNA and TCP/IP services * Be knowledgeable in using SMP/e * Be able to work independently with only administrative supervision on highly complex projects with extensive latitude for independent judgment. * Develop, document and implement standards, guidelines, direction and education on process/procedures for staff. * Be knowledgeable with OEM print products * Be knowledgeable with OEM session management products Education: College Degree or equivalent work experience. Current and future sponsorship are not available for this position Experience: Candidate should have a minimum of five or more years' experience for a senior level position in a z/OS environment, * 7+ years of experience working with the Network system side of Mainframe environments in a parallel sysplex environment * Multiple LPAR environments * Security knowledge * Certificate knowledge * Wireshark knowledge * Policy Agent knowledge * Encryption knowledge * Knowledge of Project Management methods and techniques * Knowledgeable with network monitoring and automation tools * Knowledgeable with z/OS Unix System Services ## Description The z/OS Systems Programmer Senior - Network Systems is a senior level member of a z/OS network system and associated network and print components team. The team supports several physical environments consisting of multiple z/OS environments/systems, including a mix of stand-alone LPARs and parallel sysplex LPARs, in a large and diverse high availability environment. The position will include: * Candidate should have a minimum of five or more years experience for a senior level position in a z/OS environment * Configuration and support of connectivity within the mainframe environment and external networks * Assignments to highly visible, sensitive and critical systems. * Gathering documentation for research and problem resolution of z/OS connectivity issues that may involve capturing and analyzing traces, dumps, and logs * Customization, maintenance, and problem resolution for OEM or operating system network products and print solutions. * Vendor list includes: * IBM z/OS Communication Server VTAM, TCPIP and related components, IBM z/OS Netview, LRS print services, CA TPX Session Manager, and other vendor products * Utilize and maintain tools such as Netview to monitor resources * Work with Users, Clients, and Business Partners to provide connectivity or to resolve issues with the ability to provide communication on issues or complex information to a wide audience based on knowledge. * Customization, configuration, maintenance and problem resolution for SNA and TCPIP configurations * Coding and problem resolution for installation exits * Interaction and effective communication with many different groups, including application support, hardware support, operations support, and various levels of management * Should be able to explain technical information to non-technical personnel * Provide 24x7x365 on-call support on a rotating basis and perform other on-call duties as required. * Able to work system maintenance/implementation windows which are generally 1 AM to 5 AM Central Time on Sunday mornings, but can be anytime during the weekend * Work with various groups in evaluating and recommending hardware and software products * Evaluate, estimate, and provide recommendations for new clients * Maintain and provide documentation * Prepare for disaster recovery and participate in recovery tests and actual disaster recovery, if declared * Highly-skilled with extensive proficiency and provides second (2nd/3rd) level support for production issues * Performs work as a project team member for technical or operational projects. * Identifies and defines business requirements for major projects, new systems/applications, policy changes or related projects. * Performs troubleshooting and diagnoses of system/application problems. * Communicates with internal teams and/or clients regarding problem solving, testing, and related activities. * Develops, documents and implements standards, guidelines, direction and education on process/procedures for staff.Creating and modifying REXX and CLISTs * Work locally in the Brown Deer Data Center (Milwaukee, WI area) during normal US business hours (roughly around 8 AM to 5 PM Central time) and possibly travel to work with similar groups and provide service in other FIS data centers or clients of FIS. * Support of other strategic data centers, regardless of physical location of employee