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# Mainframe Network Engineer

- **Company:** Megan Soft, Inc.
- **Location:** Dearborn, MI, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Network Analysis, CLIST, Computer Networks, Emulators, File Transfer, File Transfer Protocol (FTP) SSL Extension, Job Control Language (JCL), Rexx (Programming Language), Internet Protocol, Job Entry Subsystem 2/3, Microsoft Office, PuTTY, TCP/IP, Z/OS, Tso/ispf, File Transfer Protocol (FTP), Syncsort, Performance Monitor, Servicenow
- **Published:** September 11, 2026
- **Apply:** https://www.thejobnetwork.com/job/58242407-a692-45df-b53a-86ccabf38134/mainframe-network-engineer-zos-w-position

## About the Role

* Mainframe Systems, Network Protocols & Standards, Network Security, Z/OS

Skills Preferred:

 * Java, Linux, Programming, TCP/IP

Experience Required:

 * Senior Engineer Exp: Prac. In 2 coding lang. or adv. Prac. in 1 lang.; guides. 10+ years in IT; 8+ years in development

Experience Preferred:
*
+
o Minimum 5 years of experience in IBM z/OS Communications Server, with specific expertise in: o SNA, VTAM, and APPN/Enterprise Extender.

TCP/IP stack configuration and z/OS Policy Agent.

Requirements:

 * Proficiency in mainframe environments: TSO/ISPF, JCL, SDSF (JES2/JES3), and OMVS.
 * Experience with distributed tools such as PuTTY, WinSCP, and the Microsoft Office Suite.
 * Familiarity with ServiceNow for IT Service Management (ITSM) is highly desirable. Operational Expectations
 * On-Call Support: Must be willing to participate in a rotational 24x7x365 on-call schedule.
 * Flexibility: Ability to work overtime, including various shifts, weekends, and holidays, as required by business needs.
 * Collaboration: Proven ability to function effectively both as an independent contributor and as a collaborative team member across cross-functional groups.

## Description

* Perform advanced network problem analysis utilizing sniffer traces and TCP/IP packet captures.
 * Execute and analyze VTAM network traces to isolate and resolve complex issues within the SNA/APPN environment.
 * Provide high-level support for Enterprise Extender (EE) protocols to ensure seamless SNA-over-IP communication. Security & Protocol Management
 * Customize and maintain the z/OS Policy Agent (Pagent) to manage network policies and AT-TLS rules.
 * Manage secure communication protocols, including SSH and SSL/TLS, ensuring robust data encryption.
 * Administer Digital Certificates and Keyrings to maintain mainframe security integrity.
 * Support secure file transfer services, including SFTP, FTPS, and Connect:Direct. System Support & Infrastructure
 * Configure and support IBM 3270 Emulators, including PCOMM, Host On-Demand (HOD), and HACP-EE.
 * Customize, and maintain the VPS Enterprise Printing System.
 * Manage printer protocols, specifically PCL and PostScript, to ensure reliable output services. Reporting, Automation & Performance
 * Generate reports based on SMF records using REXX, CLIST, and Java.
 * Utilize IBM utilities, Syncsort, and SMF (System Management Facilities) records for performance monitoring, reporting, and capacity planning.


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