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# Mainframe Network Systems Programmer

- **Company:** Learn Beyond Consulting LLC
- **Location:** Plano, United States
- **Contract:** Permanent contract
- **Skills:** Cryptographic Protocols, File Transfer, Rexx (Programming Language), Tivoli Management Framework, Internet Protocol Security (IP SEC), Intrusion Detection and Prevention, Intrusion Detection Systems, Network Security, Mainframes, Network Architecture, Network Monitoring, Network Protocols, Performance Tuning, Session Manager SubSystems, Subsystems, TCP/IP, Wireshark, Computer Networking Systems, Transport Layer Security, File Transfer Protocol (FTP), Performance Testing, Omegamon
- **Published:** June 29, 2026
- **Apply:** https://www.dice.com/job-detail/31a1fb47-43cb-4986-bb97-11dcfab16e78

## About the Role

* Strong experience in IBM z/Series Mainframe Network Engineering
 * Expertise in TCP/IP configuration & tuning
 * Hands-on experience with:
 + FTP (SSL), sFTP (SSH), Connect:Direct (NDM)
 + TPX / Supersession
 * Strong knowledge of:
 + NetMaster, NetView, REXX, CLISTS
 + IPSEC, AT-TLS, TLS encryption
 + IDS and network security
 + SNA, VTAM, APPN, OSA
 * Experience with network monitoring tools, * Bachelor's degree (or equivalent experience)
 * Knowledge of:
 + Hardware architecture, benchmarking, monitoring
 + Infrastructure design (security & compliance)
 + Network engineering & provisioning
 * Experience with Policy Agent features:
 + IPSec
 + AT-TLS
 + QoS

## Description

We are seeking an experienced Mainframe Network Systems Programmer to support the engineering, implementation, and maintenance of secure and high-performing mainframe network environments. This role primarily focuses on IBM z/Series systems and requires strong expertise in network protocols, encryption, and mainframe connectivity., * Provide stable and secure mainframe network engineering support

 * Install, configure, customize, and evaluate mainframe network products
 * Manage and maintain z/Series network environments
 * Support secure file transfer solutions:
 + FTP (SSL)
 + sFTP (SSH)
 + Connect:Direct (NDM Secure)
 * Manage session manager applications:
 + TPX
 + Supersession
 * Develop automation/tooling using:
 + NetMaster, NetView, REXX, CLISTS
 * Configure and maintain TCP/IP components:
 + DVIPA / DDVIPA
 + IPSEC / IPFILTER
 + Intrusion Detection Services (IDS)
 + Enterprise Extender (EE)
 * Support SNA, VTAM, APPN, OSA connectivity
 * Ensure logical connectivity between applications and subsystems
 * Perform performance tuning and troubleshooting
 * Implement encryption protocols:
 + IPSEC
 + AT-TLS
 + TLS
 * Monitor network using tools such as:
 + Wireshark, Omegamon, Mainview, tracing tools
 * Create and maintain operational procedures, * Design and implement network infrastructure solutions
 * Perform performance testing and validation
 * Monitor and troubleshoot production and test environments
 * Analyze system metrics for continuous improvement
 * Collaborate with global engineering teams
 * Drive project delivery and ensure compliance


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