Mainframe Network Engineer

Bank of America Bank of America · Banking · Chandler, AZ

This role is for a Mainframe Network Engineer at Bank of America, focusing on engineering and operating network solutions for mainframe systems (TCP/IP, SNA/APPN). Responsibilities include optimizing high-availability connectivity, leading network modernization efforts, advancing automation and AI-assisted operations, and diagnosing complex network issues. The role requires 5-7 years of experience with Mainframe, z/OS, and z/VM engineering, strong TCP/IP networking expertise, and skills in infrastructure automation and AI-driven tooling.

What you'd actually do

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

Skills

Required

  • Mainframe, z/OS and z/VM engineering
  • enterprise-scale networks with high availability and reliability requirements
  • TCP/IP networking, including OSPF and Layer 2 technologies
  • packet trace analysis and multi-layer troubleshooting techniques
  • switches, firewalls, load balancers, VPNs, certificates, TLS/SSL, and REST APIs
  • infrastructure automation, process automation, and AI-driven tooling

Nice to have

  • SNA/APPN networking
  • Risk Management
  • DevOps Practices
  • Product Management
  • Technical Strategy Development

What the JD emphasized

  • AI-assisted operations