> Markdown version of [/jobs/ext/3056079-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3056079-systems-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). --- # Systems Engineer - **Company:** S O S I Inc - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Systems Engineering, Configuration Management, Information Systems, Databases, Endevor, IBM Cognos Business Intelligence, IBM Mainframe, Oracle (Applications), Release Management, Broadcom, Software Deployment, Systems Integration, Z/OS, Enterprise Software Applications, Information Technology - **Published:** September 24, 2026 - **Apply:** https://www.thejobnetwork.com/job/8d662de9-a48d-4355-98cd-1222c44a3905/sr-systems-engineer ## About the Role * Bachelor's degree in Engineering, Computer Science, Information Systems, or related field. Equivalent experience may be substituted. * 10+ years supporting enterprise systems. * Experience supporting mission-critical production operations. * Strong IBM mainframe experience. * IBM z/OS, IDMS, Oracle, Cognos, Broadcom Endevor, Production Operations, System Integration. * Ability to obtain Public Trust clearance. Preferred: * Large-scale financial or ERP systems. * Federal enterprise environments. ## Description SOSi is seeking a Senior Systems Engineer to support operations and sustainment of a mission-critical enterprise application supporting federal business operations., The Senior Systems Engineer will provide technical leadership supporting production operations, infrastructure integration, database technologies, release management, and enterprise system performance within a large IBM mainframe environment., * Support IBM z/OS production environments. * Maintain and support IDMS database environments. * Support production deployments and release activities. * Troubleshoot system performance issues and production incidents. * Support configuration management and technical documentation. * Coordinate system changes across technical teams. ## Related Videos - [Systems Thinking for Performance: How to Diagnose and Fix Slow Systems without Guessing](https://www.wearedevelopers.com/videos/2103-systems-thinking-for-performance-how-to-diagnose-and-fix-slow-systems-without-guessing) - [Goodbye Microservices, Hello Self-Contained Systems](https://www.wearedevelopers.com/videos/100009-goodbye-microservices-hello-self-contained-systems) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [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) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)