• Senior Software Quality Assurance Tester

    Guidehouse (New Carrollton, MD)
    …SOAPUI, and Parasoft. + Working knowledge of mainframe environments (eg, IBM z / OS , Unisys), JCL, and scripting. + Experience with relational databases ... UNIX, and mainframe environments. Familiarity with databases like Oracle, DB2 , SQL Server, and tools supporting Agile and DevOps...such as Oracle, DB2 , SQL Server, and Greenplum. + Ability to work… more
    Guidehouse (10/02/25)
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  • Mainframe Developer

    System One (Rockville, MD)
    …180k Contractor Work Model: Onsite ALTA IT Services is seeking a highly experienced Z / OS Mainframe Developer with deep expertise in Assembler, COBOL, and CICS. ... Minimum 10 years of experience in: + COBOL + DB2 + Command-Level CICS + JCL + Batch processing...Extensive hands-on experience with Assembler, COBOL, and CICS in aZ/ OS Mainframe environment + Strong coding skills with proven… more
    System One (09/03/25)
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  • Senior Mainframe Systems Programmer

    Ensono (Annapolis, MD)
    …Also, the Maintenance and debugging of systems software.. Functional knowledge, use of z / OS components and detailed knowledge of support products such as tape ... + Bachelor's degree required and/or equivalent work experience + Knowledge of zOS DB2 platforms + Ability to perform and lead complex projects + Experience with… more
    Ensono (09/06/25)
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