Mainframe z/OS Systems Programmer

Lumen Solutions Group Inc.•Austin, TX

About The Position

Work involves highly advanced (senior-level) systems administration in support of mainframe applications and supporting infrastructure; and coordinating day-to-day system administration functions such as mainframe configuration, break/fix system support, and base user account creation/support. Routine system administration functions to include security administration support, performance monitoring, security monitoring, and system maintenance. Work includes supporting data entry and control work processes, overseeing and coordinating mainframe operations in the State’s Consolidated Data Center Services (DCS), and working with the Network Administration, Customer Support and Applications Development & Support teams to provide support necessary for day-to-day mainframe operations. Experience with Informatica Power Exchange Administration for Change Data Capture processing using mainframe data sources and targets (i.e., IMS and VSAM) a plus. The Worker will apply their expert knowledge and experience as a Mainframe z/OS Systems Programmer to support both the needs of the Legacy Systems as well as those for the Mainframe Transformation Team.

Requirements

Experience with z/OS Systems Programming
Experience with JES2, z/OS Unix System Services (OMVS), Storage Management Subsystem (SMS)
Experience with TSS (Top Secret Security)
Experience with performance monitoring to include initial analysis of performance issues
Experience with REXX

Nice To Haves

Experience with Informatica Power Exchange Administration
Working knowledge for each of the following: z/OS Operation, z/OS Networking – VTAM (Virtual Telecommunications Access Method), TCP/IP (Transmission Control Protocol/Internet Protocol)
Working knowledge of each of the following: z/OS-centric automated job scheduling and management software (JOBTRAC), Terminal Emulator Software (BLUEZONE), VTAM Session Manager Software (VTAM/SWITCH)
Working knowledge of: SMP/E (System Modification Program/Extended), RMF (Resource Measurement Facility), SMF (System Management Facility), WLM (Workload Management), JCL (Job Control Language), GRS (Global Resource Serialization)
Working knowledge of: VSAM (Virtual Storage Access Method), TSO (Time Sharing Option)
Experience with TLS configuration (certificates, SSL – RSA Keys, SFTP, FTPS)
Experience with SCLM (or other similar configuration management tools), specifically configuration and administration of SCLM
Experience with CPM for JOBTRAC

Responsibilities

Provide primary support as the subject matter expert for z/OS operating systems and system components; provide direct technical support as needed in the planning, implementation and testing of releases, upgrades, or changes to z/OS operating system, network, and component software.
Provide end user support for assigned Independent Software Vendor (ISV) products such as BlueZone.
Provide primary administration and end user support for SCLM.
Provide input and recommendations for hardware capacity planning.
Provide primary administrative support for CICS® and IMSTM.
Diagnose platform, software and related product issues and follow up with root cause analysis.
Analyze performance issues and provide input and recommendations for capacity planning.
Provide input and recommendations for system-wide performance tuning to meet required levels of service.
Provide input and recommendations for system parameters and system libraries management.
Provide support for technical consultation and inquiries from other IT technical teams.
Provide support as technical lead on internal team projects or participate on project teams that impact the z/OS platform.
Provide support for integration testing of new products with existing applications and user procedures.
Assist with maintaining and providing technical support for Mainframe Production Control and Support Jobs and monthly Mainframe Job Scheduler.