Requisition # 852 Assignment View Sector Los Angeles County Contractor's Work Location ISD D-Remote-Internal Services Department (Downey) Position Title SrZ/OS Systems programmer Labor Category Information Technology Job Category Senior Mainframe Systems Programmer Number of Positions 1 Job Level 1 Submittal allowed per staffing agency 2 Priority Submittals allowed for this Requisition 50 Assignment Type Temporary Is a Livescan Required for Position? No Is this role located on-site, hybrid, or remote? Hybrid Work Location Address Remote, Downey, CA, 90242 Assignment Details Target Start Date 05/01/2026 Target End Date 04/30/2027 Shift Standard Work Schedule Standard Tentative Shift Start Time Tentative Shift End Time Staffing Agency NTE (Not-to-Exceed) Bill Rate $ 114.94 Rate Unit Hour Estimated Regular Hours/Week 40.00 Travel Required Yes Estimated OT Hours/Week Travel % 5 Travel Description(Domestic/International) Domestic Security Clearance None Position Details Background Checks Yes Position Description The Senior Systems Programmer for Legacy Systems, for maintenance and support of Z/OS systems, is responsible for planning and upgrading the systems on a County-established basis, verifying the health of all systems, and making necessary changes as required. This includes analyzing the issues reported by development teams making necessary recommendations; planning and designing systems architecture; working with customers to test applications post-upgrade; ensuring software is compatible with operating systems; upgrading hardware in a timely manner with minimum downtime windows; evaluating new application software technologies; and/or ensuring that relevant security products are patched on a regular basis. The Senior Systems Programmer for Legacy Systems, for development of operating systems, is responsible for analyzing systems requirements, risks and costs; evaluating, selecting, verifying and validating systems software environments; evaluating, selecting and installing compilers, assemblers and utilities; integrating hardware and software components within systems environments; monitoring and fine-tuning performance of systems environments; evaluating new systems engineering technologies and subsequent effects on operating environments; and/or ensuring that information security/information assurance policies, principles and practices are integral elements of operating environments. Skills Required A Senior Mainframe Systems Programmer is responsible for leading and/or supporting the most complex IT infrastructure, modification, installation, testing, implementation, maintenance and enhancements of new or existing system software products. This classification must plan, install, configure, test, implement and manage core system software products in support of the County's IT architecture and business needs. Special organizational or functional industry position titles for systems programmer include, but are not limited to, Z/OS System Administrator, MVS Systems Administrator, CICS/IMS/DB2/ADABAS Systems Programmer, and Z/OS Network and Storage Administrator. The following technology skill sets are required to perform in this classification -IBM: Z/OS, IMS, DB2, ADABAS, SMP/E, JCL, IMS DB/DC, CICS, ACF2, ASSEMBLER/ COBOL/ REXX, CONTROL-M, VTAM, TCPIP, NETVIEW, NATURAL/ SUPERNAT, ENTIREX, CA SPOOL, IMS & DB2 BMC Tools, HMC/HOD/IODF, VTS. Additional Skills Required Z/OS, HCD, Z/OSMF, Z16 ,Z17, CA ACF2 V17, HOD V16.1 Experience Required This classification must have a minimum of seven (7) years of experience in Z/OS Systems programming, with at least four (4) years of that experience in a lead role. Additional Experience Required Education Required This classification requires the possession of a bachelor's degree in an IT-related or engineering field. Additional Education Required Additional Information This is a systems programmer role. The resource should have extensive knowledge on mainframe hardware and software. Please do not submit mainframe developer resumes. The resource hired for this position should work initial three weeks onsite and the resource should come on-site for all major upgrades as needed.