• Principal Engineer - IBM Mainframe

    Toyota (Plano, TX)
    …a sustainable Mainframe Operations practice for IBM z/OS infrastructure, mainframe security , performance tuning, and systems integration with strategic ... + Defining architectural principles, best practices, and governance frameworks for mainframe environments. + Managing mainframe security frameworks,… more
    Toyota (12/17/25)
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  • Mainframe Security Engineer

    Ensono (Santa Fe, NM)
    Mainframe Security EngineerRemote - United StatesJR012476 **Requirements:** + US Citizenship is required. + Must pass a Federal Background Check. **Key ... Responsibilities:** + Administer security for RACF , ACF2, and Top Secret...z/OS experience is highly desired. + Knowledge of other mainframe security products is a plus. **Personal… more
    Ensono (11/05/25)
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  • Senior z/OS Systems Engineer

    Insight Global (Providence, RI)
    …and optimize for efficiency. * Implement and manage security measures ( RACF /Top Secret). * Troubleshoot and resolve complex mainframe issues. * Collaborate ... for critical tasks. Key Responsibilities * Maintain and improve mainframe stability and security . * Lead integration...SMP/E for software installs. ○ Networking protocols (VTAM). ○ Security tools ( RACF ). * Soft Skills: ○… more
    Insight Global (12/03/25)
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  • Senior Security Engineer

    Unum Group (Portland, ME)
    …is changing, and we're excited about what's next. Join us. **General Summary:** Senior Security Engineer Join a team where your expertise shapes enterprise-wide ... security strategy. We're seeking a Senior Security Engineer to lead the design and...Access Control Security (Active Directory, Linux, and Mainframe security ) + IPSEC and remote access… more
    Unum Group (11/21/25)
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  • z/OS Engineer

    CTG (Pennington, NJ)
    …systems support. **Skills:** + Deep technical expertise with z/OS and core mainframe components (JES2/3, RACF , SMP/E, TSO/ISPF). + Strong performance tuning, ... **CTG is seeking to fill az/OS Engineer position for our client.** **Location:** On-site 3 days per week at one of the following client offices: * Pennington, NJ *… more
    CTG (12/12/25)
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  • Senior zOS System Programmer - Remote

    Truist (Raleigh, NC)
    …dumps, traces and gathering appropriate documentation for analysis. 4. Hands on with RACF and network security protocols (IPSec, AT-TLS, SSH). 5. Knowledge of ... (United States of America) **Please review the following job description:** Our Mainframe Engineering team is looking for an experienced, senior level zOS System… more
    Truist (12/03/25)
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