[Remote] Mainframe System / Network Architect (z/OS)
Note: The job is a remote job and is open to candidates in USA. Dice is a recruitment company seeking a Mainframe System / Network Architect (z/OS) for a remote contract position. The role involves managing and supporting mainframe networking protocols, configuring networking interfaces, and leading the installation and upgrade of z/OS environments while ensuring system reliability and performance optimization.
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
- 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
Skills
- 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
Benefits
- Contract W2 (No C2C)
Company Overview