> Markdown version of [/jobs/ext/2535382-principal-z-system-isv-infrastructure-software-engineer-remote](https://www.wearedevelopers.com/jobs/ext/2535382-principal-z-system-isv-infrastructure-software-engineer-remote). 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). --- # Principal z System ISV Infrastructure Software Engineer - Remote - **Company:** Unitedhealth Group Inc - **Location:** Eden Prairie, MN, United States (Remote available) - **Experience:** Experienced - **Salary:** $112,700.0 - $193,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Artificial Intelligence, Data Analysis, Software Applications, Software as a Service, Configuration Management, System Configuration, Software Debugging, Linux, Disaster Recovery, IBM Parallel Sysplex, Monitoring of Systems, Job Control Language (JCL), Operational Data Store, Productivity Software, Broadcom, SAS (Software), Service Pack, Software Deployment, Software Engineering, System Software, Virtual Storage Access Methods, Z/OS, Tso/ispf, Syncsort, Information Technology, Omegamon, ZFS File System, Splunk, Multiplatform, Dynatrace - **Published:** August 19, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3358949498&tx=JT10395UTD&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 * 15+ years of mainframe systems software experience, focused on ISV z Platform software installation, configuration, and administration in a large z Systems environment (90,000+ MIPs, multiple LPARs/SysPlex) * 10+ years of experience configuring and using SMP/E tool * 10+ years of experience downloading, installing, configuring, and maintaining ISV products from BMC (including Compuware), Broadcom/CA, and SAS Institute * 5+ years of experience managing z Platform ISV products across diverse vendor portfolios (e.g., 21st Century Software, ASG, Axway, Data Kinetics, Dynatrace, Informatica, Rocket Software, Syncsort, Vanguard) * 2+ years of experience creating, debugging, and modifying z/OSMF infrastructure software installation scripts * Demonstrated experience participating in 24x7 on-call rotations, weekend change windows, and incident root-cause determination * SME-level knowledge of z/OS, TSO/ISPF, JCL job streams, catalog processes, and z/OS dataset configurations (PDS/PDSE, VSAM, zFS), * Bachelor's degree in Information Technology, Software Engineering or related field * Experience operating across multi-platform environments including z/OS, Linux, and Windows * Experience with ITSM operational processes (Incident, Change Management) and Configuration Manager * Experience leveraging enterprise AI productivity tools (such as M365 Copilot) for data analysis, meeting summaries, and technical communication *All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy ## Description As an Experienced z System ISV Infrastructure Software Engineer within Optum Technology's Z Systems Application Hosting team, you will play a critical role in supporting and optimizing our high-capacity mainframe enterprise infrastructure. Our environment operates at scale, supporting over 90,000 MIPs across multiple LPARs, Parallel SysPlex configurations, and physical z Systems machines. In this role, you will lead the installation, administration, lifecycle management, and disaster recovery preparedness for a comprehensive portfolio of Independent Software Vendor (ISV) software applications from industry leaders such as BMC, Broadcom/CA, and SAS. You will drive continuous operational excellence by automating software deployment processes using z/OSMF scripts and leveraging modern system programmer capabilities. Working in a dynamic, collaborative environment, you will partner with cross-functional engineering teams during incident resolution, participate in scheduled Sunday maintenance windows, and embed enterprise-approved AI tools to streamline daily workflows, analyze operational data, and enhance team productivity. This role offers an exciting opportunity to apply deep z/OS expertise while leveraging modern tools to support mission-critical health technology infrastructure. You'll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week., * Install, configure, maintain, and support ISV system software and related z Platform infrastructure software across multiple SysPlex, DB2Plex, and CICSPlex environments * Automate mainframe installation and administration workflows using z/OSMF scripts and SMP/E tools to improve efficiency and reduce manual intervention * Manage the end-to-end lifecycle of ISV software products, including applying HIPER PTFs, APARs, PTFs, service packs, and technical refresh packages * Monitor, troubleshoot, and resolve infrastructure issues using enterprise z System monitoring tools such as Omegamon, Mainview, TMON, MXG, and Splunk * Participate in 24x7 on-call rotations, Sunday change windows, and Incident War Room root-cause investigations to maintain platform availability and resiliencePerform environment recovery procedures and support Disaster Recovery strategy and exercises for z Platform software components * Generate comprehensive technical and operational documentation for Computer Operations, Technical Help Desk, and engineering partners * Leverage enterprise-approved AI tools to analyze operational data, streamline workflows, automate repetitive tasks, and drive continuous improvement * Evaluate emerging technology trends and AI capabilities to inform infrastructure solution design and strategic innovation You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in. ## Related Videos - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Remote Work: Best Practices for Developers](https://www.wearedevelopers.com/magazine/315-remote-work-best-practices-for-developers) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)