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Hi Professionals,
Greetings from VegaIntellisoft
Role : Sr Mainframe Network Engineer
Location : Dearborn, MI (Onsite)
Duration : Full time
Experience : 7 years needed
Overview / Summary:
We are seeking a Senior Mainframe Network Engineer with strong expertise in z/OS environments, network protocols, and security. This role focuses on advanced network troubleshooting, secure communications, system support, and performance monitoring within a mainframe infrastructure.
Key Responsibilities:
Hi Professionals,
Greetings from VegaIntellisoft
Role : Sr Mainframe Network Engineer
Location : Dearborn, MI (Onsite)
Duration : Full time
Experience : 7 years needed
Overview / Summary:
We are seeking a Senior Mainframe Network Engineer with strong expertise in z/OS environments, network protocols, and security. This role focuses on advanced network troubleshooting, secure communications, system support, and performance monitoring within a mainframe infrastructure.
Key Responsibilities:
- Perform advanced network problem analysis using sniffer traces and TCP/IP packet captures
- Execute and analyse VTAM network traces to resolve issues in SNA/APPN environments
- Provide support for Enterprise Extender (EE) protocols for SNA-over-IP communication
- Customize and maintain z/OS Policy Agent (Pagent) for network policies and AT-TLS rules
- Manage secure communication protocols including SSH and SSL/TLS
- Administer digital certificates and keyrings
- Support secure file transfer services such as SFTP, FTPS, and Connect: Direct
- Configure and support IBM 3270 emulators (PCOMM, Host On-Demand, HACP-EE)
- Maintain VPS Enterprise Printing System
- Manage printer protocols including PCL and PostScript
- Generate reports using SMF records with REXX, CLIST, and Java
- Perform performance monitoring and capacity planning using IBM utilities and Syncsort
- Collaborate across teams and function effectively both independently and in group settings
- Participate in a rotational 24x7 on-call schedule and support flexible working hours
- Proficiency in mainframe environments: TSO/ISPF, JCL, SDSF (JES2/JES3), OMVS
- Experience with distributed tools such as PuTTY, WinSCP, and Microsoft Office Suite
- Strong knowledge of mainframe systems, network protocols, network security, and z/OS
- 10 years of IT experience with 8 years in development
- Experience working with at least two programming languages or advanced expertise in one
- Bachelor’s degree, Master’s degree, or certification program