Mainframe System / Network Architect
Mainframe System / Network Architect (z/OS) Salary: $80 Location: Remote Company: Cog Kit Clearance: BGV Criminal and DT must be cleared to start 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 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