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Mainframe System / Network Architect (z/OS)

Key Facts

Remote From: 
Full time
Expert & Leadership (>10 years)
English

Other Skills

  • β€’
    Mentorship

Roles & Responsibilities

  • z/OS Architecture - Sysplex Integration
  • Mainframe Networking (SNA, VTAM, TCP/IP, OSA, OSPF)
  • Mainframe Infrastructure - Performance Engineering
  • 10+ Years of Experience

Requirements:

  • Manage and support Mainframe Networking Protocols: SNA, VTAM, TCP/IP
  • Configure and maintain OSA (Open System Adapter) networking interfaces
  • Strong understanding of Enterprise Network Infrastructure and Security
  • Manage z/OS network communications, connectivity, and performance optimization

Job description

Our client, a IT Services and Consulting company, is looking for a Mainframe System / Network Architect (z/OS) for their Remote location.
 
Responsibilities:

  • Mainframe Networking & Infrastructure:
  • Manage and support Mainframe Networking Protocols: SNA, VTAM, TCP/IP
  • Configure and maintain OSA (Open System Adapter) networking interfaces
  • Strong understanding of Enterprise Network Infrastructure and Security
  • Knowledge of routing protocols such as Open Shortest Path First (OSPF)
  • Manage z/OS network communications, connectivity, and performance optimization
  • System Programming & Architecture Skills:
  • Strong experience in z/OS System Programming and System z architecture
  • Expertise in Sysplex configuration, LPAR management, and system integration
  • Hands-on with SMP/E, IOCP, HCD, PARMLIB, and system configurations
  • Install and maintain z/OS releases, RSU maintenance, and ISV products
  • Knowledge of JCL, utilities, batch and online processing environments
  • Lead installation, configuration, and upgrading of z/OS environments across development and production systems
  • Design and manage z/OS architecture, Sysplex integration, and CFRM policies
  • Handle hardware and software upgrade projects, including datacenter migration and exit planning
  • Perform performance analysis, tuning, capacity planning, and workload management (WLM)
  • Monitor system software access, performance, and resource utilization
  • Manage and maintain z/OS, JES3 environments and ISV software
  • Work closely with application teams to ensure production stability and issue resolution
  • Define and enforce security, access control, and software usage policies
  • Implement and validate backup, recovery, and disaster recovery (DR) procedures
  • Ensure high availability, system reliability, and environment stability
  • Support incident/problem determination and resolution within SLA timelines
  • Provide technical leadership, mentoring, and guidance to teams
 
Requirements:
  • z/OS Architecture & Sysplex Integration
  • Mainframe Networking (SNA, VTAM, TCP/IP, OSA, OSPF)
  • Mainframe Infrastructure & Performance Engineering
  • Years of Experience:   10.00+ Years of Experience
 
Why Should You Apply?

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