Sr. Architect - SRARCH

TekWissen•Charlotte, NC

18d•Remote

About The Position

The Mainframe System / Network Architect (z/OS) leads the design, installation, configuration, maintenance, and upgrading of z/OS environments across development and production systems. The role covers mainframe networking, system programming, architecture, Sysplex integration, performance and capacity management, security, high availability, and disaster recovery. It also includes technical leadership and collaboration with application teams to support production stability and resolve issues within SLA timelines.

Requirements

Strong experience in z/OS system programming and System z architecture.
Expertise in Sysplex configuration, LPAR management, and system integration.
Hands-on experience with SMP/E, IOCP, HCD, PARMLIB, and system configurations.
Strong understanding of enterprise network infrastructure and security.
Knowledge of routing protocols such as OSPF.
Knowledge of JCL, utilities, and batch and online processing environments.

Responsibilities

Lead installation, configuration, and upgrades 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 with application teams to ensure production stability and resolve issues.
Define and enforce security, access control, and software usage policies.
Implement and validate backup, recovery, and disaster recovery procedures.
Ensure high availability, system reliability, and environment stability.
Support incident and problem determination and resolution within SLA timelines.
Provide technical leadership, mentoring, and guidance to teams.
Manage and support SNA, VTAM, and TCP/IP networking protocols.
Configure and maintain OSA networking interfaces.
Manage z/OS network communications, connectivity, and performance optimization.
Install and maintain z/OS releases, RSU maintenance, and ISV products.