Reqroute, Inc · 3 weeks ago
Mainframe Architect
United States
Contract
Remote
Lead/StaffReqroute, Inc is seeking a Mainframe Architect to manage and support Mainframe Networking and Infrastructure. The role involves leading installation and configuration of z/OS environments, ensuring system reliability, and providing technical leadership.
Staffing & Recruiting
Hiring Manager
Sumanjeet N.
Responsibilities
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
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
Qualification
Required
z/OS Architecture & Sysplex Integration
Mainframe Networking (SNA, VTAM, TCP/IP, OSA, OSPF)
Mainframe Infrastructure & Performance Engineering
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
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
Company
Reqroute, Inc
Reqroute is a Staffing and Recruitment Marketing firm based in the heart of Silicon Valley in California.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Terrina Butler
Vice President of Strategy and Client Partnerships
Company data provided by crunchbase