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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior System Engineer (IBM Mainframe) - **Company:** TISTA Science and Technology Corporation - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $92,730.0 - $102,500.0 - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), System Configuration, Disaster Recovery, Job Control Language (JCL), IBM Mainframe, Rexx (Programming Language), Identity and Access Management, Network Troubleshooting, Performance Tuning, SAS (Software), Subsystems, System Software, Z/OS, Tso/ispf, Data Storage Management, System Availability, Information Technology - **Published:** September 16, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18312333?backUrl=%2Fcareer%2F18312333%2FSenior-System-Engineer-Ibm-Mainframe ## About the Role * Strong experience with IBM z/OS internals and system components. * Strong experience with SMP/E for software installation and maintenance. * Strong experience with JCL, REXX, SAS, COBOL, SMP/E, and TSO/ISPF. * Strong experience with BMC - MAINVIEW, CMF, BMC AmiOps automation. * Strong experience with Phoenix - EJES. * Strong experience with Innovation - FDR, DSF, FDREPORT, IAM. * Strong experience with Chicago Soft - QwickRef. * Knowledge of system utilities such as IEBCOPY, IDCAMS, IEBGENER. * Experience with system IPLs, dump analysis, and problem determination. Preferred Qualifications: * Experience with additional IBM subsystems such as: CICS. * Familiarity with automation and scheduling tools. * Knowledge of disaster recovery and high availability configurations. * Experience with mainframe performance tuning and capacity planning. * Strong analytical and troubleshooting skills. * Ability to work independently and in a team environment. * Excellent documentation and communication skills. * Attention to detail and strong organizational skills. Education: * Master's Degree in Computer Science, Electronics Engineering, other engineering or technical dicipline, or equivalent PLUS 10 Years of experience. * Ten (10) years of additional relevant experience may be substituted for education. Clearance: * The ability to pass a Tier 4/HIGH Background Investigation. ## Description * Install, configure, and maintain IBM mainframe operating systems, including IBM z/OS. * Perform installation, upgrades, and maintenance of ISV (Independent Software Vendor) products using tools such as SMP/E. * Customize system parameters, libraries, and subsystems to meet organizational requirements. * Apply maintenance (PTFs, APARs) and perform system IPL planning and execution * Troubleshoot system issues, analyze dumps, and resolve software-related problems. * Support storage management processes including DASD, SMS, and DFSMS. * Maintain documentation for system configurations, procedures, and changes. * Collaborate with application teams, operations, and vendors for problem resolution and enhancements. * Participate in on-call rotation and support after-hours maintenance windows. * May require after-hours support for system maintenance and upgrades. ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [10M Data Records Lost, Underwater Computing, and Psychedelic Fish - Matthias Geniar](https://www.wearedevelopers.com/videos/1908-10m-data-records-lost-underwater-computing-and-psychedelic-fish-matthias-geniar) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [Hands-on Journey to Quantum Computing with IBM](https://www.wearedevelopers.com/videos/137-hands-on-journey-to-quantum-computing-with-ibm) - [Data-Oriented Programming - Version 1.1](https://www.wearedevelopers.com/videos/1634-data-oriented-programming-version-1-1) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [How should you format your IT resume?](https://www.wearedevelopers.com/magazine/68-how-should-you-format-your-it-resume)