Senior Mainframe Network Engineer

Shree Narayani Networking Solutions Pvt Ltd; Plano (TX); Hybrid; USD 110,000 - 170,000; Full time

Job summary

Shree Narayani Networking Solutions Pvt Ltd in Plano, TX (Hybrid 3 Days onsite every week) is seeking an experienced network engineer to design and operate mainframe network solutions. You will optimize high-availability connectivity for mission-critical transactions and support SNA/APPN networking.

The role requires strong TCP/IP grounding (OSPF, EIGRP, VLANs), experience with IBM NetView and Omegamon, and the ability to automate operations.

Qualifications

• Extensive experience with mainframe TCP/IP networking and SNA/APPN.
• Proven ability to optimize high-availability networks for enterprise workloads.
• Strong debugging using packet traces and multi-layer troubleshooting.

Responsibilities

• Implement and operate mainframe network solutions with high availability.
• Lead modernization of network architectures to improve observability.
• Advance automation and AI-assisted operations to reduce manual effort.
• Diagnose complex issues across routers, switches, firewalls, VPNs.

Skills

TCP/IP networking

SNA/APPN networking

OSPF

EIGRP

VLANs

EtherChannel/PortChannel

Packet trace analysis

Layer 2 technologies

IBM NetView

IBM Omegamon

Assembler/REXX

Tools

IBM NetView

IBM Omegamon

Job description

Location: Plano, TX/ Charlotte, NC/ Jersey City, NJ (Hybrid 3 Days onsite every week)

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