Hi,

Hope all is well,

Please let me know if you are interested to apply for this contract role.

Remote Senior z/OS Systems Administrator

6-12 month project

Salary- OPEN (40 hours per week)

Candidate has to work in the US hours

Minimum 10 years of experience required.

Position Overview

We are seeking an experienced Senior z/OS Systems Administrator to support and maintain a large-scale IBM mainframe environment. The ideal candidate will be a senior-level z/OS professional with deep hands-on expertise in SMP/E, REXX scripting, and z/OSMF

, along with robust knowledge of z/OS systems administration, maintenance, upgrades, troubleshooting, and automation.

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.

Required Qualifications

· 10+ years of hands-on SMP/E experience in enterprise IBM z/OS environments.

· 10+ years of hands-on REXX scripting experience

, including development of automation for systems administration and operational tasks.

· Strong hands-on experience with IBM z/OSMF (z/OS Management Facility)

.

· Extensive experience administering and supporting IBM z/OS in large enterprise environments.

· Strong knowledge of z/OS system architecture, configuration, maintenance, and troubleshooting.

· Experience installing and maintaining IBM and third-party mainframe software.

· Extensive experience applying PTFs, APARs, maintenance packages, and software upgrades using SMP/E

.

· Strong understanding of SMP/E CSI structures, zones, SYSMOD processing, HOLDDATA, RECEIVE, APPLY, ACCEPT, and RESTORE processes

.

· Strong knowledge of JCL, TSO/ISPF, UNIX System Services (USS), and z/OS utilities

.

· Ability to diagnose complex system problems using z/OS logs, dumps, system messages, and diagnostic tools.

· Strong understanding of mainframe change-management and production-control processes.

· Excellent analytical, troubleshooting, documentation, and communication skills.

· Ability to work independently and take ownership of complex technical issues.

Preferred Skills

Experience with several of the following would be highly desirable:

· JES2

· RACF

· TCP/IP

· UNIX System Services (USS)

· HMC

· IBM System z / IBM Z hardware

· Parallel Sysplex

· Coupling Facility

· WLM

· RMF / SMF

· System Automation

· SDSF

· DFSMS

· Disaster Recovery / Business Continuity

· Mainframe monitoring and performance-management tools

· Automation using REXX, JCL, CLISTs, and other scripting technologies

Thanks & Regards

[email protected]

📌 Remote Senior z/OS Systems Administrator (India)
🏢 FREEPOSTURE
📍 India