Mainframe Network Software

Position: Mainframe Network Software )
Job Description:

DXC Technology (NYSE: DXC) is a leading enterprise technology and innovation partner delivering software, services, and solutions to global enterprises and public sector organizations — helping them harness AI to drive outcomes at a time of exponential change with speed. With deep expertise in Managed Infrastructure Services, Application Modernization, and Industry-Specific Software Solutions, DXC modernizes, secures, and operates some of the world’s most complex technology estates.

Learn more on  be legally authorized to work in Canada without requiring sponsorship now or in the future

Note:

Must be legally authorized to work in Canada. The client is in a controlled goods program environment and must comply with the Controlled Goods Program (CGP), which mandates that all applicants hold Canadian Citizenship or Permanent Residency status in Canada.

Key Responsibilities
1. Mainframe Network Resource Management Maintain and administer mainframe logical network resources within IBM z/OS environments.

Perform weekly Network Management System (NMS) database updates for CDRSC/JES2 corporate table distributions.

Perform weekly NETMENU maintenance, including additions, deletions, changes, and updates to load libraries.

Maintain and update VTAM network definitions, configurations, and connectivity tables.

Process Net View user , including additions, deletions, and modifications.

Manage TCP/IP port reservations, including additions, deletions, and changes.

Perform VTAM APPLID and PU/LU updates to support application and network connectivity requirements.
2. Network Connectivity and Configuration Implement, configure, customize, and maintain new OSA (Open Systems Adapter) interfaces and network connectivity.

Implement and configure Enterprise Extender connectivity for mainframe network communication.

Configure and maintain secure Telnet and FTP connectivity.

Implement and customize Policy Agent, AT-TLS (Application Transparent Transport Layer Security), and TLS 1.2 connectivity.

Troubleshoot and resolve network configuration issues related to VTAM, TCP/IP, and mainframe connectivity.

Ensure network configurations comply with operational and security requirements.
3. NETMENU and Batch Processing Perform scheduled weekly NETMENU updates, including additions, deletions, and changes.

Apply and update load libraries to incorporate network configuration changes, fixes, and maintenance updates.

Utilize IBM utilities, JCL (Job Control Language), batch jobs, and procedures to execute network maintenance activities.

Perform weekly CMCMAINT and batch job processing.

Review and correct batch jobs and processes supporting mainframe software maintenance and VTAM table distribution across SMCs.Support troubleshooting and implementation of changes to ensure successful processing and distribution.
4. Disaster Recovery and Mainframe Upgrade Support Participate in client disaster recovery exercises to validate mainframe network readiness and recovery procedures.

Provide network support during z/OS upgrades and system maintenance activities.

Support CPU hardware refresh initiatives, including network configuration validation and connectivity testing.

Perform FIXLIB updates and corrections required for mainframe software support.

Assist in identifying and resolving issues affecting network operations during upgrades and hardware refreshes.
5. SMP/E Software Installation and Administration Perform Software Management Program/Extended (SMP/E) installations, upgrades, maintenance, and configuration of IBM and third-party mainframe products.

Administer program products, including additions, modifications, and deletions.

Install, upgrade, and maintain software products using SMP/E.Support software packaging, maintenance…