Mainframe Network Architect
$124.8kFull-time
IPolarity LLC
Mainframe System / Network Architect (z/OS)
Remote
• 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
Key Responsibilities:
• 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
This is a remote position.
Vacancy posted 6 days ago
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