> Markdown version of [/jobs/ext/3754764-mainframe-operator](https://www.wearedevelopers.com/jobs/ext/3754764-mainframe-operator). 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 Operator - **Company:** REYINFOTECH, L.L.C. - **Location:** Pontiac, MI, United States (Remote available) - **Experience:** Expert - **Contract:** Contract - **Skills:** Monitoring of Systems, Job Control Language (JCL), IBM Mainframe, Information Technology Operations, Mainframes, Nagios, Paessler Router Traffic Grapher, Z/OS - **Published:** October 15, 2026 - **Apply:** https://www.dice.com/job-detail/029952a3-071f-4e70-82ff-b67887069deb ## About the Role * Minimum 5 years of experience in IT operations, NOC/SOC operations, or a similar production support role. * Experience serving as an Incident Manager (Level 1) or in incident triage/coordination for critical outages and events. * Hands-on experience using monitoring and alerting tools (e.g., What?s Up Gold, Pingdom, PRTG) to track availability, performance, and connectivity across infrastructure and services. * Ability to monitor control consoles and perform routine checks of system performance in a high-availability environment (including IBM mainframe operations). * Working knowledge of mainframe concepts; ability to assist with review/validation of job control language (JCL) is required. * Strong verbal and written communication skills, with the ability to collaborate effectively with IT staff, customers, and vendors during time-sensitive incidents. * Proficiency with Microsoft Teams (minimum 5 years). * Ability to work onsite (no work-from-home option for this position). * Willingness and ability to work holidays and rotating shifts, including days, afternoons, and/or midnight shifts, as scheduled. * Ability to lift up to 50 pounds., * Experience supporting IBM z/OS environments and enterprise scheduling/batch operations. * Familiarity with ITIL practices (Incident, Problem, and Change Management). * Experience working with ticketing/case management systems and documenting incident timelines and post-incident actions. * Prior experience in a 24x7 operations center supporting multiple technologies and platforms. ## Description * Serve as a Level 1 Incident Manager for critical IT incidents and events, including rapid creation, escalation, triage, and tracking of customer technology-related issues. * Communicate effectively with IT staff, customers, and vendors to ensure smooth collaboration during incidents. * Utilize graphical monitoring systems to track the availability and status of infrastructure connectivity, assets, and services. * Monitor mainframe control consoles and regularly check system performance to maintain high operational standards. * Assist with reviewing and validating mainframe job control language as needed. * Perform assigned deliveries and must be able to lift up to 50 pounds. * Work onsite is required; remote work is not available for this position. * Applicants may be scheduled to work holidays, days, afternoons, and/or midnight shifts.