Other Service Line - Sr. Architect - SRARCH

Mainframe System / Network Architect (z/OS)
####
Remote
Cog Kit
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