Principal Network Engineer z/OS

What you'll do

• Administer, configure, and troubleshoot IBM z/OS Communications Server environments including VTAM, TCP/IP, and TN3270.
• Support and optimize GDPS network infrastructure across multi-datacenter and disaster recovery environments.
• Manage and maintain TPX Session Manager environments, including performance tuning and user support.
• Install, configure, and support Connect:Direct and other enterprise file transfer solutions.
• Implement and troubleshoot secure file transfer technologies such as FTP, SFTP, FTPS, and FTP-AT/TLS.
• Resolve complex mainframe networking issues involving multiple protocols and distributed platforms.
• Perform software implementation, maintenance, and upgrades using SMP/E according to change management standards.
• Provide production support through an on-call rotation including weekend maintenance and scheduled changes.

What we're looking for

• Associate's degree or equivalent work experience.
• At least 7 years of experience managing day-to-day delivery of satisfactory network services to clients.
• At least 7 years of experience within a total Information Technology (IT) environment.
• Expertise in IBM z/OS Communications Server, including VTAM, TCP/IP, TN3270, Enterprise Extender, and performance tuning (preferred).
• Experience supporting GDPS environments and disaster recovery network configurations (preferred).
• Proven administration experience with TPX Session Manager in large-scale enterprise environments (preferred).
• Hands-on experience with Connect:Direct, file transfer automation, and managed file transfer solutions (preferred).
• Knowledge of secure data transmission technologies, SMP/E, and mainframe networking architecture (preferred).