z/OS Communications Server Systems Programmer

We are seeking an experienced Senior z/OS Communications Server Systems Programmer to support IBM z/OS environments. The successful candidate will have deep hands-on experience with z/OS Communications Server, TCP/IP networking, VTAM, and associated communications technologies.

This is a senior technical role requiring the ability to independently analyze complex communications issues, perform system-level configuration and maintenance, troubleshoot production problems, and work effectively with other mainframe infrastructure and application teams.

Responsibilities

• Provide senior-level systems programming support for z/OS Communications Server.
• Install, configure, maintain, and troubleshoot z/OS Communications Server components.

• Strong expertise with TCP/IP and VTAM in an enterprise z/OS environment.
• Demonstrated experience with:
• TCP/IP stack configuration and troubleshooting
• VTAM
• TN3270/TN3270E
• FTP/SFTP
• SMTP
• AT-TLS
• IPSec
• Enterprise Extender
• OSA-Express
• Strong knowledge of z/OS networking architecture and communications protocols.
• Knowledge of CL/Supersession and/or Data21 Intersession