Mainframe z/OS Systems Programmer

ASSYST is seeking a Mainframe z/OS Systems Programmer for our client headquartered in Austin, Texas. 

This role involves highly advanced, senior-level systems administration supporting agency mainframe applications and infrastructure. The Systems Programmer will serve as a Subject Matter Expert (SME) for the z/OS operating system, handling configuration, break/fix support, security, and performance tuning while coordinating with Network Administration, Customer Support, and Applications Development teams.

Job Location: Texas (Fully Remote)

Responsibilities:

• Serve as the primary Subject Matter Expert for z/OS operating systems and components. Provide technical support for planning, implementing, and testing releases, upgrades, or changes to the OS, network, and component software.
• Manage system parameters, system libraries, and routine maintenance. Provide input for hardware capacity planning and system-wide performance tuning to meet service levels.
• Provide primary administrative support for CICS® and IMS™, as well as technical support for Mainframe Production Control and the monthly Job Scheduler.
• Provide primary administration and end-user support for SCLM (Software Configuration and Library Manager) and ISV products such as BlueZone.
• Perform security administration support, including base user account creation and security monitoring.
• Monitor system performance, diagnose platform/software issues, analyze root causes, and provide recommendations for capacity planning.
• Coordinate day-to-day break/fix system support and troubleshoot software and product issues.
• Act as a technical lead on internal team projects and participate in cross-functional project teams impacting the z/OS platform.
• Provide technical consultation to other IT teams and support the integration testing of new products with existing applications.
• Oversee and coordinate mainframe operations within the State’s Consolidated Data Center Services (DCS).

Required Skills:

• 5 Years: Experience with z/OS Systems Programming.
• 5 Years: Experience with JES2, z/OS Unix System Services (OMVS), and Storage Management Subsystem (SMS).
• 3 Years: Experience with TSS (Top Secret Security).
• 3 Years: Experience with performance monitoring, including the initial analysis of performance issues.
• 2 Years: Experience with REXX scripting

Preferred Skills:

• 3 Years: Experience with Informatica Power Exchange Administration (specifically for Change Data Capture using IMS and VSAM).
• 3 Years: Working knowledge of z/OS Operations and z/OS Networking (VTAM, TCP/IP).
• 3 Years: Working knowledge of SMP/E, RMF, SMF, WLM, and JCL.
• 3 Years: Working knowledge of GRS, VSAM, and TSO.
• 3 Years: Experience with TLS configuration (Certificates, SSL – RSA Keys, SFTP, FTPS).
• 3 Years: Experience with SCLM (configuration and administration) or similar configuration management tools.
• 3 Years: Working knowledge of Automated Job Scheduling (JOBTRAC), Terminal Emulators (BLUEZONE), and VTAM Session Managers (VTAM/SWITCH).
• 3 Years: Experience with CPM for JOBTRAC.

ASSYST is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin or any other characteristic protected under federal, state, or applicable local law