Mainframe zOS Systems Programmer

NTT Data is looking for a Mainframe zOS Systems Programmer to join their team remotely.

Responsibilities:

Operating System Knowledge:

• Deep mastery of zOS architecture, including IPL procedures, JES2JES3 configurations, Sysplex management, SMF data collection, and parmlib customization.

• Programming Skills:
  Proficient in writing and debugging systemlevel routines and automation: Assembler for exits and control blocks

  • REXX for scripting and batch utilities
  • JCL for job submission, parameterization, and workflow control

  • System Administration:
    Managing hardware and logical resources across LPARs:

    • DASD and tape allocation via HCDHCM
    • LPAR configuration in HMC
    • Security administration using RACF or equivalent

    • ProblemSolving Skills:
      Analytical troubleshooting of abends, storage hangs, and performance anomalies using:

      • Dump analysis with IPCS
      • SLIP and trace tools
      • System logs and console messages

      • Backup and Recovery:
        Ensuring data integrity and swift recovery with:

        • DFSMShsm policies and recall management
        • FDRABR for highspeed backups
        • FlashCopy or virtual tape replication for nearinstant restores

        • Performance Monitoring:
          Optimizing system throughput and response times utilizing:

          • RMF and SMF report analysis
          • OMEGAMON or BMC MainView dashboards
          • WLM classification and tuning

          • Networking Knowledge:
            Configuring and supporting mainframe connectivity:

            • VTAM and SNA definitions
            • TCPIP stack on zOS
            • OSA adapter and Coupling Facility communication
            • Documentation and Communication
              Producing clear system diagrams, runbooks, and upgrade plans, while collaborating with application teams, storage, networking, and security groups.
              
              Continuous Learning
              Staying current on IBM Redbooks, zOS release notes, firmware updates, and attending vendor training (IBM, Broadcom, BMC) or industry conferences.
              
              Software Maintenance & Upgrade Tools
              Executing OS and product upgrades with industrystandard utilities:
              • SMPE for PTF, APAR, and deliverable management
              • zOSMF workflows for streamlined maintenance
              • Broadcom (e.g., Topaz), IBM, and BMC tooling for fix management and compliance reporting
              • 
                Project Management & Hardware Refresh:
                Planning and leading hardware refreshes, feature activations, and migrations with minimal downtime, including IPL scheduling, vendor coordination, and changecontrol governance.

                
                Tools:
                Operating System Knowledge: zOS architecture, IPL, JES2JES3, Sysplex setup. Tools: HCDHCM, SYSLOG, CONS, SDS
                Programming Skills: System exits, automation scripts, batch job control. Tools: HLASM, IPCS, REXX, TSOE, JCL
                System Administration: LPAR provisioning, DASDtape allocation, security definitions Tools: HMC, IOCP, IODF, RACF

                At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees have been key factors in our companys growth and market presence. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here.
                
                For more than 25 years, NTT DATA Services have focused on impacting the core of your business operations with industryleading outsourcing services and automation. With our industryspecific platforms, we deliver continuous value addition, and innovation that will improve your business outcomes. Outsourcing is not just a method of gaining a onetime cost advantage, but an effective strategy for gaining and maintaining competitive advantages when executed as part of an overall sourcing strategy.
                
                
                About NTT DATA Services:
                
                NTT DATA Services is a recognized leader in IT and business services, including cloud, data and applications, headquartered in Texas. As part of NTT DATA, a $30 billion trusted global innovator with a combined global reach of over 80 countries, we help clients transform through business and technology consulting, industry and digital solutions, applications development and management, managed edgetocloud infrastructure services, BPO, systems integration and global data centers. We are committed to our clients longterm success. Visit nttdata.com or LinkedIn to learn more.
                
                NTT DATA Services is an equal opportunity employer and considers all applicants without regarding to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees. If you need assistance or an accommodation due to a disability, please inform your recruiter so that we may connect you with the appropriate team.
                
                Where required by law, NTT DATA provides a reasonable range of compensation for specific roles. The starting hourly range for this remote role is ($x xhourly ). This range reflects the minimum and maximum target compensation for the position across all US locations. Actual compensation will depend on several factors, including the candidates actual work location, relevant experience, technical skills, and other qualifications.
                
                This position is eligible for company benefits that will depend on the nature of the role offered. Company benefits may include medical, dental, and vision insurance, flexible spending or health savings account, life, and AD&D insurance, shortand longterm disability coverage, paid time off, employee assistance, participation in a 401k program with company match, and additional voluntary or legally required benefits.