• Systems Programmer Analyst

    Aston Carter (Boulder, CO)
    …encryption techniques, and virtual tape libraries. + Experience with zOS SYSPLEX management. + Skills in dataset/storage/disk/tape management including allocation, ... environment and independently as needed. + Deep knowledge of zOS and JES System Programming. + RACF Administration Experience...construct management. Job Description We are seeking an experienced zOS systems programmer to join our team in Boulder,… more
    Aston Carter (11/12/25)
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  • IT Mainframe Developer - Contract Role (AN)

    Nelnet (Denver, CO)
    …for version control and promotion. + Familiarity with RACF security and IBM zOS operating systems. + Strong understanding of data flows, screen layouts, and field ... transformations. + Experience with automated testing tools and regression testing strategies. + Ability to work within structured environments and follow established deployment pipelines. **COMPETENCIES - SKILLS/KNOWLEDGE/ABILITIES:** . Attention to detail and… more
    Nelnet (11/12/25)
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  • PAS Systems - IBM MF Specialist

    AIG (Salida, CO)
    …rules, regulatory reporting + Technical Skills:- Knowledge of COBOL/Assembler/JCL/CICS/IMSDB/ zOS Connect. - Mastery in IBM mainframe platform environment ... setup - Experience in integration of IBM mainframe and open systems + Leadership:- Exhibits confidence in self and others; inspires and motivates others to perform well with excellent coaching skills. + Collaboration:- Ability to operate and have credibility… more
    AIG (10/29/25)
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