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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mainframe Engineer FNTS (Remote/Work From Home) - **Company:** First National Bank of Omaha - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Business Process Modeling, Customer Information Control System (CICS), Communications Protocols, IBM DB2, IBM Parallel Sysplex, Monitoring of Systems, IBM WebSphere MQ, Job Entry Subsystem 2/3, Mainframes, Performance Tuning, IBM Resource Access Control Facility, Server Administration, Subsystems, Tape Libraries, TCP/IP, Virtual Storage Access Methods, Z/OS, Data Storage Management - **Published:** September 2, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18163160?backUrl=%2Fcareer%2F18163160%2FSenior-Mainframe-Engineer-Fnts-Remote-Work-From-Home-Alabama ## About the Role * Proven experience in z/OS operating system upgrades, mass maintenance deployment, and software installation * In-depth knowledge of z/OS components: JES2, HCD/IODF, SMP/E, WLM, OMVS/USS, SMF/RMF, ASM, GRS, SDSF, TSO and RACF * Strong understanding of communication protocols (VTAM, TCP/IP) and LPAR configuration via HMC * Expertise in storage management (SMS, HSM, DFDSS, VSAM, IDCAMS, ICF Catalogs) * Minimum 10 years of experience as a Mainframe Senior Systems Engineer Preferred Skills * Familiarity with mainframe automation and monitoring tools * Experience with major subsystems (CICS TS, IMS, DB2 and IBM MQ) * Knowledge of tape library configuration, printer setup, and TCP/IP server configuration * Understanding of IBM Z hardware architecture, * Demonstrated ability to lead technical teams, influence decisions, and set strategic direction * Skilled in developing repeatable, standardized processes for complex system upgrades and migrations * Strong problem-solving mindset with a focus on efficiency and continuous improvement * Excellent communication skills-able to articulate technical concepts clearly to diverse audiences Work Environment: It is anticipated that the incumbent in this role will work remotely, offering you the freedom to contribute to our mission from wherever you work best, without compromising on career growth or connection to our team. Regardless of your location, you'll be fully integrated into our team through robust digital collaboration tools and regular communication. The incumbent can work remotely from any of the states listed on the job posting, though occasional travel may be required for in-person meetings. Please note, work location is subject to change based on business needs. Candidates must possess unrestricted work authorization and not require future sponsorship. Work Environment: It is anticipated that the incumbent in this role will work remotely, offering you the freedom to contribute to our mission from wherever you work best, without compromising on career growth or connection to our team. Regardless of your location, you'll be fully integrated into our team through robust digital collaboration tools and regular communication. The incumbent can work remotely from any of the states listed on the job posting, though occasional travel may be required for in-person meetings. Please note, work location is subject to change based on business needs. ## Description * Serve as a technical leader, guiding best practices and mentoring team members on z/OS operating system upgrade optimization * Design and implement standardized approaches for z/OS upgrades and mass maintenance to ensure repeatable, high-quality outcomes * Lead efforts to optimize system performance, streamline processes, and reduce operational complexity * Oversee installation, configuration, and maintenance of IBM and ISV software products, ensuring alignment with enterprise standards * Collaborate with cross-functional teams to plan and execute operating system upgrades with minimal business impact * Develop and maintain comprehensive technical documentationand templates for operating system rollouts * Drive adoption of new technologies and capabilities (e.g., Sysplex enhancements, automation frameworks) to support strategic objectives * Act as the subject matter expert (SME) for mainframe infrastructure projects, providing technical direction and governance * Provide advanced troubleshooting and resolution for escalated incidents beyond Level 1 support * Participate in after-hours and weekend support as required ## Related Videos - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Debunking the Top 10 Myths about Web 3](https://www.wearedevelopers.com/videos/634-debunking-the-top-10-myths-about-web-3) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Paying Remote Jobs](https://www.wearedevelopers.com/magazine/255-best-paying-remote-jobs) - [Best Job Boards for Remote Work for Developers](https://www.wearedevelopers.com/magazine/290-best-job-boards-for-remote-work-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Remote Work: Best Practices for Developers](https://www.wearedevelopers.com/magazine/315-remote-work-best-practices-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)