> Markdown version of [/jobs/ext/4563536-mainframe-system-engineer](https://www.wearedevelopers.com/jobs/ext/4563536-mainframe-system-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe System Engineer - **Company:** Merican Inc - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Contract - **Skills:** Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Job Control Language (JCL), Interactive System Productivity Facility (ISPF), Job Scheduling, Mainframes, Z/OS, Tso/ispf - **Published:** November 4, 2026 - **Apply:** https://www.dice.com/job-detail/0a22315f-d22e-408e-8571-3eefea353922 ## About the Role Must-have skills: JCL, CICS, TSO, ISPF, COBOL. Preferred: Systematics (IM/IMPACS, ST/Savings Time). Core deposit banking experience is key., * 7+ years experience supporting banking or financial applications in a mainframe environment. * Strong knowledge of z/OS, JCL, CICS, TSO/ISPF, batch processing, and job scheduling. * Experience with production support, incident management, and application recovery. * Strong analytical, troubleshooting, and communication skills. * Ability to work independently while collaborating across technical and business teams. ## Description * Provide advanced production support for primarily IM, ST, and additional Deposits applications * Lead troubleshooting and resolution of complex production incidents and processing issues. * Support batch processing, online systems, file transmissions, and application recovery procedures. * Partner with clients, project teams, developers, and operations teams on implementations, enhancements, and issue resolution. * Perform root cause analysis and drive corrective actions for recurring issues. * Develop and maintain support, recovery, and operational documentation. * Participate in on-call support and major incident response activities. * Mentor team members and serve as a subject matter expert for assigned applications.