Remote Mainframe z/OS Networking Specialist

Two95 International Inc.; Malaysia; Remote; MYR 368,000 - 531,000; Full time

Job summary

Two95 International Inc. is seeking a highly skilled z/OS Network Systems Administrator to join our enterprise support team.

You will manage and troubleshoot IBM z/OS networking, mainframe systems, and connectivity, ensuring robust file transfer, messaging, and overall network operations. The role requires hands-on experience with VTAM, TCP/IP, TN3270, FTP, JES2, and operator commands, plus scripting in REXX/CLIST/SAS to automate tasks.

Qualifications

• Hands-on experience with IBM z/OS Communication Server.
• Strong knowledge of VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP.
• Practical experience working in a z/OS mainframe environment.
• Proficiency with TSO, ISPF, JCL, VSAM, and z/OS catalog management.
• Experience with z/OS and JES2 operator commands.
• Scripting/programming experience with REXX, CLIST, or SAS.
• Experience configuring and troubleshooting connectivity involving MQ, DB2, CICS, and middleware.
• Experience supporting file transfer, printing, and email/messaging infrastructure.
• Ability to develop or maintain network monitoring, reporting, and operational tools.
• Strong communication and cross-functional collaboration skills.

Responsibilities

• Provide hands-on support and troubleshooting for IBM z/OS Communication Server, including VTAM, TCP/IP, TN3270, FTP, Policy Agent, and SMTP.
• Perform day-to-day administration, navigation, and operational support within the z/OS mainframe environment.
• Utilize TSO, ISPF, JCL, VSAM, and catalog management for system administration and troubleshooting.
• Execute and interpret z/OS and JES2 operator commands related to network and system operations.
• Develop automation and operational tooling using TSO/REXX, TSO/CLIST, or SAS.
• Configure and support mainframe network connectivity for MQ, DB2, CICS, and related middleware.
• Support and troubleshoot end-to-end file transmission, printing, and email infrastructure.
• Develop and maintain monitoring, reporting, troubleshooting, and auditing tools for network operations.
• Collaborate with Enterprise Network Services and Security Platforms teams on network design, upgrades, implementations, and verification activities.
• Participate in infrastructure troubleshooting, operational improvements, and technology modernization initiatives.

Skills

z/OS Communication Server

VTAM

TCP/IP

TN3270

FTP

Policy Agent

SMTP

TSO

ISPF

JCL

VSAM

z/OS catalog

JES2

REXX

CLIST

SAS

MQ

DB2

CICS

Education

College degree in Computer Science, Information Technology, Engineering, or a related discipline

Tools

Broadcom NetMaster NCL

Broadcom NetMaster

PKWARE PKZip

IBM Sterling Connect:Direct

Secure Proxy technologies

Job description

Two95 International Inc. is seeking a highly skilled z/OS Network Systems Administrator to join our enterprise support team.

You will manage and troubleshoot IBM z/OS networking, mainframe systems, and connectivity, ensuring robust file transfer, messaging, and overall network operations. The role requires hands-on experience with VTAM, TCP/IP, TN3270, FTP, JES2, and operator commands, plus scripting in REXX/CLIST/SAS to automate tasks.