Hi All,
Please find below mentioned job description !!
Job Title- Mainframe z/OS Consultant
Visa- Any
Duration- 12+ Months
Interview- Virtual
Location- 100% Remote
Grade: 3- 5 yrs, across various levels
Detailed Job Description:
Essential Duties and Responsibilities:z/OS Upgrade & MigrationPlan, coordinate, and execute z/OS 2.4 to z/OS 3.1 upgrades using z/OSMF Workflows and Software Management.Perform SMP/E maintenance, including applying PTFs, APARs, and HOLDDATA resolution.Conduct pre-upgrade system health checks, compatibility assessments, and fallback planning.Execute IPL testing, JES2 configuration updates, and system validation post-upgrade.z/OSMF Implementation & ConfigurationInstall, configure, and maintain z/OSMF for automation, software deployment, and incident tracking.Utilize z/OSMF Workflows for system provisioning, migration tasks, and security updates.Troubleshoot and resolve z/OSMF-related issues to optimize performance.SAF & ISFPARMS Configuration for SDSFConfigure ISFPARMS to define SAF (RACF) access policies for SDSF.Implement SAF authorization checks for SDSF panels, JES, and spool access.Modify ISFPARMS settings to restrict or grant permissions based on user roles.Work with security teams to define SAF rules for SDSF functions and audit SAF logs.AT-TLS Implementation & Network SecurityImplement and configure AT-TLS (Application Transparent Transport Layer Security) to secure network traffic.Define and apply TTLS policies, managing encryption for TCP/IP-based applications.Test and validate AT-TLS configurations with RACF Digital Certificates (if applicable).Administer RACF Keyring and/or PAGENT, as necessary, for AT-TLS implementation.System Performance, Testing, and TroubleshootingMonitor z/OS system logs, dumps, RMF, and SMF reports to ensure system stability post-upgrade.Optimize Workload Manager (WLM) policies to improve z/OS 3.1 AI-driven workload management.Troubleshoot SMP/E errors, IPL failures, SAF security issues, and AT-TLS connectivity problems.Documentation & Change ManagementCreate and maintain technical documentation for the upgrade process, security configurations, and fallback strategies.Follow ITIL-based change management processes for approvals, testing, and rollback plans.Train operations and support teams on new z/OS 3.1 features, z/OSMF workflows, and security enhancements.Required Experience:5+ years of experience in z/OS systems programming and upgrades.Hands-on experience upgrading from z/OS 2.4 to z/OS 3.1.Strong expertise in z/OSMF implementation, configuration, and troubleshooting.Proficiency in SMP/E for software installation and maintenance.Experience with SAF security controls, ISFPARMS configuration for SDSF, and job submission restrictions.Knowledge of AT-TLS setup, policy configuration, and integration with TCP/IP applications.Experience with JES2, PARMLIB updates, and IPL procedures.Ability to analyze system logs, dumps, and performance reports (RMF/SMF) to troubleshoot issues.Nice to Have:Familiarity with RACF security integration for SAF resource protection.Experience implementing IBM Workload Manager (WLM) policies for optimized performance.Understanding of z/OS Communications Server, VTAM, and TCP/IP networking.Automation experience using REXX.Certifications such as IBM Certified System Programmer – z/OS (or equivalent)
Thanks & Regards
Vicky Yadav
Sr. Technical Recruiter
Contact -201-354-2897
Email –
vicky.y@wonese.com” data-linkindex=”0″ style=”border: 0px; font: inherit; margin: 0px; padding: 0px; vertical-align: baseline;”>vicky.y@wonese.com
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