Z/OS System Administrator
Job Description
Key Skills Required
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Requirements
Key Responsibilities
- Install, configure, maintain, and support IBM z/OS operating systems and related system software.
- Perform z/OS upgrades, maintenance, system modifications, and lifecycle management.
- Provide advanced administration and troubleshooting of z/OS environments.
- Use SMP/E (System Modification Program/Extended) extensively for installation, maintenance, upgrades, PTFs, APARs, HOLDDATA processing, and management of IBM and third-party software.
- Analyze SMP/E environments, zones, CSI datasets, SYSMODs, and maintenance requirements.
- Develop and maintain REXX scripts to automate z/OS administration, monitoring, reporting, maintenance, and operational processes.
- Identify manual processes that can be improved through REXX-based automation.
- Administer and support IBM z/OS Management Facility (z/OSMF).
- Configure and maintain z/OSMF services, workflows, plugins, and system management functions.
- Utilize z/OSMF for system management, configuration, monitoring, and automation.
- Perform system problem determination, root-cause analysis, and resolution of complex z/OS issues.
- Monitor system performance, availability, capacity, and overall system health.
- Work with operations, application, storage, network, security, and database teams to resolve mainframe infrastructure issues.
- Participate in system upgrades, migrations, disaster recovery testing, and infrastructure modernization initiatives.
- Maintain system documentation, operating procedures, configuration standards, and technical runbooks.
- Provide technical leadership and mentoring to other mainframe systems administrators.
- Participate in production support and on-call activities as required.
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Two95 International
View Company ProfileTwo95 International is a premier, enterprise-grade global IT consulting and digital transformation firm engineered to orchestrate massive-scale technical innovation ecosystems and intelligent frictionless managed-service workflows. Operating as a highly integrated, practitioner-led solutions hubāand a proud brand within the eMudhra ecosystemāthe company eliminates the operational friction of traditional, fragmented software-outsourcing models by seamlessly deploying advanced Generative AI implementation telemetry, rigorous Edge Computing architectures, and cohesive cross-border cybersecurity and blockchain frameworks. Moving beyond rigid legacy IT-staffing paradigms, Two95 empowers Fortune 500 enterprises, complex healthcare providers, and high-growth global retail organizations to dynamically synchronize their digital-modernization pipelines with elite autonomous execution. Under the hood, their sophisticated proprietary operational infrastructureāspanning over 25 years of industry experience and supported by deep-bench centers of excellenceānatively handles complex ERP/CRM migration (including SAP and Salesforce), instantaneous 24/7 managed-services routing, and rapid-deployment talent augmentation across both onsite and offshore environments. What sets Two95 International apart is its uncompromising dedication to frictionless technical orchestration; by bridging the gap between highly abstract, cutting-edge digital-transformation goals and accessible, outcome-driven engineering delivery, the firm empowers modern global businesses to radically accelerate their time-to-market velocity, optimize technical-infrastructure economics, and build an unassailable foundation for continuous commercial and digital dominance in the modern innovation landscape.
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