Mainframe Network Engineer; Chandler

Location:

Chandler, United States Sector Banking

SCHEDULE:

Hybrid schedule requirement of a minimum of 3 days per week (day 1 will be onsite)

• Engineers and operates network solutions supporting mainframe TCP/IP and SNA/APPN-based system integrations.
• Optimizes high-availability connectivity for business-critical, high-velocity transactions and batch-processing systems.
• Leads modernization of mainframe network architectures, including improvements in observability and telemetry.
• Advances automation and AI-assisted operations to reduce manual effort, improve consistency, and enhance network reliability.
• Diagnoses and resolves complex issues across routing, switching, firewalls, load balancers, and mainframe network stacks.
• Continuously improves network solutions to meet performance, capacity, resiliency, and cybersecurity compliance standards.

• Experience supporting enterprise-scale networks with high availability and reliability requirements.
• Strong foundational expertise in TCP/IP networking, including OSPF, EIGRP, and Layer 2 technologies such as VLANs and Ether Channel/Port channel.
• Strong understanding of packet trace analysis and multi-layer troubleshooting techniques.
• Experience supporting SNA/APPN networking.
• Working knowledge of switches, firewalls, load balancers, VPNs, certificates, TLS/SSL, and REST APIs.

• Experience using IBM Netview and IBM Omegamon automation and performance tools.
• Assembler and REXX programming skills.