Mainframe Network Engineer (Chandler)

Matlen Silver
Chandler, United States of America
16 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

Chandler, United States of America

Tech stack

Batch Processing
Enhanced Interior Gateway Routing Protocol
EtherChannel
Rexx (Programming Language)
Tivoli Management Framework
Virtual Private Networks (VPN)
Mainframes
Network Architecture
Routing
Open Shortest Path First
TCP/IP
Transmission Control Protocol (TCP)
Virtual Local Area Networks
Transport Layer Security
Load Balancing
System Availability
Reliability of Systems
Firewalls (Computer Science)
Performance Monitor
Omegamon
REST

Job description

  • 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.

Requirements

Do you have experience in Technical troubleshooting support?, * 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 EtherChannel/Portchannel.
  • 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.

Desired Qualifications

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

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