Full-Time

Senior Mainframe Systems Programmer

Posted on 2/24/2026

Idealforce

Idealforce

No salary listed

Phoenix, AZ, USA

In Person

On-site in Phoenix, Arizona.

Category
Software Engineering (1)
Required Skills
TCP/IP
Requirements
  • Minimum of 10 to 15 years in Data Processing, with 8 of those years in z/OS Systems Programming
  • Employment history should show job responsibility within large zSeries environments
  • Hardware expert knowledge of IBM zSeries type Processors and their associated HMC (Processor Interface), SYSPLEX, Coupling Facilities, OSA (Networking Interface), ICC (Integrated Console Controller), FICON (Fiber connectivity to peripheral devices), DASD Storage/Flash Copy and ATL/VTL Tape Storage, and Network Routers (Managing device setup and addressability)
  • A detailed knowledge of the z/OS Operating System with hands on experience with the latest z/OS Versions and Release levels
  • Operating Systems experience should include expert knowledge of and experience with: z/OS z/AWARE, BCP, JES2, IOCP, HCD, RMF, SMF, DFSMS, DFHSM, DFDSS, FDR, SDSF, DFSORT, SMPE, TSO, CA-MIMS, ISPF/PDF, RACF, SVC Dumps, OMEGAMON, TMON, VTAM/SNA, TCP/IP, OSPF (TCP/IP Routing Protocol), VIPA, and FTP (File Transfer z/OS)
  • Expert knowledge and experience with the following File Formats is required: PS, PO, PDS, PDS/E, z/FS and VSAM/E
  • Mainframe Business Continuity/Disaster Recovery with periodic DR testing experience
Responsibilities
  • Installation and Upgrading a z/OS environment to z/OS V2.2
  • Customization
  • Problem Determination
  • Performance Analysis Tuning
  • Capacity Planning
  • WLM for the IBM Mainframe zSeries z/OS Systems, Hardware Systems & Peripherals, zSeries based ISV Software, and zSeries Network Communications
  • The Sr. Systems Programmer is required to be on call 24x7 for providing problem resolution and high systems availability
  • The Sr. Systems Programmer will interface with management and the technical staff to plan and prioritize projects tasks in accordance with departmental goals
  • The Mainframe Sr. Systems Programming skills will require hardware expert knowledge of the currently supported IBM zSeries type Processors and their associated HMC (Processor Interface), SYSPLEX, Coupling Facilities, OSA (Networking Interface), ICC (Integrated Console Controller), FICON (Fiber connectivity to peripheral devices), DASD Storage/Flash Copy and ATL/VTL Tape Storage, and Network Routers
  • All candidates who are authorized to work in US are encouraged to apply.
  • Most of our positions require Candidate to clear the Background check prior to commencing the assignment.
Desired Qualifications
  • Experience with UNIX and/or Linux
  • Experience with Assembler, REXX, COBOL, PL1, XML, SAS, MXG, HTML, CRplus, BMC’s CONTROL-M, CICS/TS, IMS and DB2
  • UNIX and/or Linux experience would be a plus

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INACTIVE