> Markdown version of [/jobs/ext/2646745-mainframe-engineer-17428](https://www.wearedevelopers.com/jobs/ext/2646745-mainframe-engineer-17428). 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 - 17428 - **Company:** Seneca Resources - **Location:** Vienna, VA, United States - **Experience:** Expert - **Salary:** $156,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Automation of Tests, Unix, Customer Information Control System (CICS), IBM DB2, Disaster Recovery, Electronic Design Automation, 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, System Programming, TCP/IP, Z/OS, Tso/ispf, System Availability, Software Troubleshooting, Reliability of Systems, Information Technology, Complex Event Processing, Omegamon, Restful APIs, Servicenow - **Published:** August 14, 2026 - **Apply:** https://public-rest40.bullhornstaffing.com/rest-services/R0SYP/query/JobBoardPost?where=id=47773&fields=id,title,publishedCategory(id,name),address(city,state),employmentType,dateLastPublished,publicDescription,isOpen,isPublic,isDeleted ## About the Role * 10+ years of experience in mainframe systems, automation engineering, systems programming, or a related technical discipline. * Expert-level experience with IBM System Automation for z/OS (SA z/OS). * Advanced REXX programming experience. * Strong hands-on experience with IBM NetView and NetView automation. * Experience with automation tables, message automation, command lists, PIPEs, event processing, and policy-based automation. * Strong knowledge of IBM z/OS operating environments and mainframe operations. * Hands-on experience with CICS, Db2, IMS, JES2/JES3, MQ, and TCP/IP. * Experience developing CICS automation, including startup, shutdown, recovery, restart, availability, and health monitoring. * Strong understanding of Parallel Sysplex and cross-system automation. * Proficiency with JCL, SDSF, TSO/ISPF, and z/OS operational processes. * Experience with IBM Workload Scheduler, IWS, TWS, and/or ZWS. * Experience with z/OS UNIX System Services (USS/OMVS) and shell scripting. * Experience integrating automation with monitoring and event management tools. * Strong troubleshooting, analytical, research, prioritization, and problem-solving abilities. * Excellent written and verbal communication skills. * Demonstrated ability to lead, mentor, and collaborate with technical and business teams. * Ability to identify automation opportunities and deliver solutions that reduce manual effort and improve operational reliability. * Ability to participate in an on-call rotation as needed. Preferred / Nice-to-Have Skills * Bachelor's degree in Information Technology, Computer Science, or a related field, or an equivalent combination of education and experience. * Experience with IBM OMEGAMON, including situation development, alerting, and monitoring customization. * Experience with GDPS and disaster recovery automation. * Knowledge of SMP/E maintenance and z/OS system programming concepts. * Experience with Ansible and automation using REST APIs. * Familiarity with mainframe modernization technologies and initiatives. * Knowledge of current mainframe automation standards, emerging technologies, and industry best practices. ## Description Seneca Resources is seeking a Senior Mainframe Automation Engineer to design, implement, and support enterprise-scale automation solutions across IBM z/OS environments. This role is ideal for a highly experienced mainframe professional with deep expertise in IBM System Automation for z/OS, REXX, IBM NetView, z/OS operations, and high-availability automation. The successful candidate will investigate complex operational and technical challenges, develop scalable automation solutions, improve system reliability, and reduce manual intervention across critical business services. This position will also provide technical leadership, mentoring, and guidance while partnering with technical teams, business stakeholders, and leadership., * Design, develop, implement, and maintain enterprise automation solutions for IBM z/OS environments. * Administer and configure IBM System Automation for z/OS (SA z/OS), including policy development, managed resource automation, automation definitions, resource dependency models, and policy database maintenance. * Develop advanced REXX programs, command processors, automation routines, operational tools, and automation scripts. * Configure and maintain IBM NetView automation, including automation tables, message automation, command lists, PIPEs, event processing, and policy-driven automation. * Develop and support automation across critical z/OS subsystems and middleware, including CICS, Db2, IMS, JES2/JES3, MQ, and TCP/IP. * Design automation for CICS availability, startup, shutdown, recovery, restart, and health monitoring. * Support Parallel Sysplex environments and cross-system automation strategies. * Develop high-availability, recovery, restart, and self-healing automation solutions. * Work with IBM Workload Scheduler, including IWS, TWS, and ZWS, to support enterprise workload automation. * Support z/OS UNIX System Services (USS/OMVS), including automation of UNIX processes and shell scripts. * Integrate mainframe automation with monitoring and event management platforms such as IBM OMEGAMON, ServiceNow, and Moogsoft. * Identify opportunities to automate operational processes across IBM z/Series, UNIX, and Windows platforms. * Troubleshoot complex operational, technical, and business problems and recommend reliable automation solutions. * Analyze requirements and translate business and technical needs into scalable automation strategies. * Lead, guide, and mentor technical team members while promoting automation best practices and continuous improvement. * Communicate complex technical concepts effectively to engineers, business partners, and senior leadership. * Participate in an on-call rotation when required. * Improve operational efficiency, system availability, reliability, and service resilience through automation. ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) ## 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) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [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)