> Markdown version of [/jobs/ext/4397075-z-os-network-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4397075-z-os-network-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# z/OS Network Systems Engineer

- **Company:** U.S. Bank, National Association
- **Location:** Irving, TX, United States
- **Experience:** Expert
- **Salary:** $119,765.0 - $140,900.0
- **Contract:** Permanent contract
- **Skills:** Configuration Management, Communications Protocols, Data Transmissions, Disaster Recovery, Distributed Systems, Electronic Data Interchange (EDI), File Transfer, IBM Parallel Sysplex, IP Addressing, Network Configuration and Change Management, Network Architecture, Network Planning and Design, Network Service, Commercial Software, Performance Tuning, Session Manager SubSystems, System Programming, System Software, TCP/IP, Z/OS, Enterprise Data Management, Computer Networking Systems, File Transfer Protocol (FTP), Computer Network Operations, System Availability, Information Technology, Enterprise Integration, Hardware Infrastructure
- **Published:** October 6, 2026
- **Apply:** https://usbank.wd1.myworkdayjobs.com/US_Bank_Careers/job/Irving-TX/z-OS-Network-Systems-Engineer_2026-0031507

## About the Role

Associate's degree or equivalent work experience
-At least 7 years experience with managing day-to-day delivery of satisfactory network services to clients.
-At least 7 years experience within a total Information Technology (IT) environment., * Strong expertise in IBM z/OS Systems Programming with hands-on experience supporting enterprise mainframe networking environments.

 * Advanced knowledge of z/OS Communications Server, including VTAM, TCP/IP, TN3270, and network performance tuning.
 * Experience administering and supporting TPX Session Manager in large-scale production environments.
 * Knowledge of Connect:Direct, secure file transfer technologies, and enterprise data exchange solutions.
 * Experience with GDPS, contingency planning, disaster recovery, and resilient network design.
 * Proficiency with FTP, SFTP, FTP-ATTLS, and troubleshooting file transfer and communications protocol issues.
 * Familiarity with SMP/E software installation, configuration management practices, system software infrastructure, and vendor software lifecycle management.
 * Strong background in network operations, network architecture, technical troubleshooting, security, data communications, hardware infrastructure, and IT operational standards.

## Description

* Administer, configure, tune, and troubleshoot z/OS Communications Server, including VTAM, TCP/IP, and TN3270 environments to ensure high availability and optimal network performance.
 * Install, maintain, test, document, and support vendor-supplied mainframe software, performing root cause analysis and implementing corrective actions.
 * Manage and support the TPX Session Manager environment, including configuration, maintenance, performance optimization, and issue resolution.
 * Install, configure, and support Connect:Direct and other enterprise file transfer solutions, ensuring secure and reliable data exchange across platforms.
 * Support GDPS network configurations, disaster recovery readiness, business continuity planning, and network failover testing activities.
 * Design, implement, and troubleshoot secure file transfer solutions including FTP, SFTP, and FTP-ATTLS, ensuring compliance with security standards.
 * Participate in network architecture, IP address design, and cross-platform integrations between z/OS and distributed systems environments.
 * Provide technical leadership through vendor product evaluations, configuration management, documentation, standards development, and participation in an on-call support rotation.