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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mainframe Systems Programmer - ISV - **Company:** Ensono - **Location:** Augusta, ME, United States (Remote available) - **Experience:** Expert - **Salary:** $85,000.0 - $148,000.0 - **Contract:** Permanent contract - **Skills:** Unix, File Systems, IBM Parallel Sysplex, Monitoring of Systems, Job Control Language (JCL), Mainframes, Software Product Management, Software Engineering, System Programming, Z/OS, Tso/ispf, Software Application Programming - **Published:** September 3, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3375531949&tx=JK2519FFG&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Working knowledge of TSO/ISPF, SDSF, JCL. * Good written and verbal skills. * Strong analytical and problem-solving skills., * Minimum of 7+ years of experience within a mainframe environment within a large enterprise or equivalent combination of education and experience * Bachelor's degree required and/or equivalent work experience * Knowledge and understanding of z/OS and z/OS installation and maintenance including SMP/E. * Strong knowledge of TSO/ISPF, SDSF, JCL. * Strong knowledge of Unix System Services (USS) * Strong knowledge of Unix System Services (USS) file system management and security * Ability to work well as a team member. * Stress resistant in case of Major Incident- and/or emergency situations. * Good interpersonal, verbal and written communication skills * Customer Service skills at management level * Good collaboration and teamwork skills * Must be self-motivated. * Strong analytical skills and problem-solving capabilities. * Good planning and organizational skills. * Initiative and good learning abilities. Other Qualifications * Ability to perform skill set of a Mainframe System Programmer * Ability to perform moderately complex ISV installations * Knowledgeable in z/OS security. * Knowledgeable in z/OS systems programming functions. * Understand z/OS services structure, Parallel Sysplex, Catalog management. ## Description The Senior Mainframe Systems Programmer provides support for on-going projects that require the installation, upgrade, testing, configuration, and implementation of all ISV software. Responsibilities also include monitoring and on call support for the software, research and evaluation of new software, assisting team members and other areas with technical questions and problem resolution. Functional knowledge, use of z/OS components and detailed knowledge of support products such as tape management, scheduling, security, monitoring systems, and other z/OS supporting systems software. Note: Thisis notan Applications Programming position. Key Areas of Focus for this Role * Participate in On-call Schedule. * Incident / Problem resolution z/OS & Tools your main tasks are related to: * Incident, change and problem handling. * Configuration and customization. * Setup of parameters. * Communication with vendors. * Participation/contribution to technical projects. * Solid understanding of z/OS and related product software z/OS. * Ability to support in solving problems and implementing changes. ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [".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) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Goodbye Microservices, Hello Self-Contained Systems](https://www.wearedevelopers.com/videos/100009-goodbye-microservices-hello-self-contained-systems) - [Coffee with Developers - Robby Russell](https://www.wearedevelopers.com/videos/917-coffee-with-developers-robby-russell) ## 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) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)