> Markdown version of [/jobs/ext/3627325-mainframe-engineer](https://www.wearedevelopers.com/jobs/ext/3627325-mainframe-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 Engineer - **Company:** Hays Specialist Recruitment LLC - **Location:** Vienna, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Automation of Tests, Business Software, Unix, Customer Information Control System (CICS), IBM DB2, Disaster Recovery, Distributed Systems, Middleware, IBM Parallel Sysplex, IBM System/360, Job Control Language (JCL), Rexx (Programming Language), Tivoli Management Framework, Job Entry Subsystem 2/3, Mainframes, Ansible, Shell Script, Subsystems, System Programming, Systems Integration, TCP/IP, Z/OS, Tso/ispf, Information Technology, Complex Event Processing, Omegamon, Restful APIs, Servicenow - **Published:** October 8, 2026 - **Apply:** https://www.hays.com/en-US/job-detail/mainframe-engineer-virginia_1186003 ## About the Role Applicants must be legally authorized to work in the United States. Sponsorship not available., * Bachelor's degree in Information Technology or equivalent combination of education and experience * Possess current awareness of professional standards, innovations and industry best practices * Experience with OMEGAMON situation development, alerting, and monitoring customization. * Experience with GDPS and disaster recovery automation. * Experience with SMP/E maintenance and z/OS system programming concepts. * Familiarity with Ansible, REST APIs, and mainframe modernization technologies * Strong ability to investigate operational, technical, and business problems; analyze requirements; and recommend reliable automation solutions. * Ability to communicate complex system and automation information clearly to technical teams, business partners, and upper management. * Strong time management, prioritization, research, analytical, troubleshooting, and problem-solving skills. * Ability to participate in an on-call rotation, as required. * Demonstrated ability to lead, guide, and mentor others while promoting technical best practices, process improvement, and operational efficiency. * Expert-level experience with IBM System Automation for z/OS, including administration, configuration, policy development, managed resource automation, automation definitions, resource dependency models, and SA policy database maintenance. * Advanced REXX programming experience developing enterprise automation solutions, command processors, automation routines, operational tooling, and automation scripts. * Strong experience with IBM NetView, including automation tables, message automation, command lists, PIPEs, event processing, and policy-driven automation components. * Experience designing, implementing, and supporting automation across z/OS subsystems and middleware platforms such as CICS, Db2, IMS, JES2/JES3, MQ, and TCP/IP. * Experience developing automation for CICS availability, recovery, startup, shutdown, restart, and health monitoring. * Strong knowledge of Parallel Sysplex environments, cross-system automation concepts, JCL, SDSF, TSO/ISPF, and z/OS operations. * Experience with IBM Workload Scheduler, including IWS, TWS, ZWS, and workload automation processes. * Familiarity with z/OS UNIX System Services, including USS/OMVS and automation involving UNIX processes and shell scripting. * Experience integrating automation with monitoring and event management tools such as IBM OMEGAMON, ServiceNow, and Moogsoft. * Experience managing, monitoring, and supporting mainframe and/or distributed systems, business applications, and infrastructure platforms. * Experience identifying and implementing automation opportunities across IBM z/Series, UNIX, and Windows operating systems. * Experience supporting high-availability, recovery, restart, and self-healing automation solutions. * Proven ability to reduce manual intervention, improve operational reliability, and deliver scalable automation solutions that support business services. * 10+ years exp * IBM System Automation for z/OS (SA z/OS): Administration, Configuration, Policy development, Resource automation, Dependency modeling, SA policy database maintenance * Advanced REXX Programming: Need someone who has actually built automation solutions, not just edited scripts. * IBM NetView: Automation tables, Message automation, Command Lists (CLISTs), PIPEs, Event processing * z/OS Mainframe Operations: deep knowledge of z/OS, JCL, TSO/ISPF, SDSF, JES2/JES3, Parallel Sysplex * Mainframe Middleware Automation * CICS Automation * IBM Workload Scheduler * Monitoring & Event Management * Unix / USS