> Markdown version of [/jobs/ext/2719554-sr-infrastructure-engineer-i-mainframe](https://www.wearedevelopers.com/jobs/ext/2719554-sr-infrastructure-engineer-i-mainframe). 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). --- # Sr. Infrastructure Engineer I- Mainframe - **Company:** SYMETRA - **Location:** Bellevue, WA, United States (Remote available) - **Experience:** Expert - **Salary:** $106,400.0 - $177,300.0 - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), Information Systems, IBM DB2, DevOps, Endevor, Monitoring of Systems, Job Scheduling, Mainframes, Scrum Methodology, Terminal Emulators, Web Services, Break Fix, Infrastructure Automation Frameworks, Information Technology - **Published:** September 4, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/85402435/1 ## About the Role * High School Diploma is required; Degree in Computer Science, Information Systems or other related field preferred. * 6-9 years of cumulative, relevant experience; a background in financial service is a plus. * Agile/Scrum team experience. * Exposure to infrastructure automation and DevOps practices. * Strong working knowledge of mainframe tools and technologies, including ESP Scheduler, Endevor, ACF2, CICS, DB2, MQ, COBOL. * Proven experience in mainframe operations-system monitoring, job scheduling, troubleshooting, and support. * Demonstrated ability to work across teams, serving as the liaison between service providers and internal app teams. * Experience managing incident, problem, and change processes in a large-scale enterprise environment. * Familiarity with web services and real-time mainframe integrations. * Excellent communication, coordination, and documentation skills., Employer work visa sponsorship and support are not provided for this role. Applicants must be currently authorized to work in the United States at hire and must maintain authorization to work in the United States throughout their employment with our company. ## Description As a Sr. Infrastructure Engineer I, you will play a critical role in the Mainframe Pod of Symetra's Infrastructure & Operations team. This position requires a solid focus on Mainframe Operations while serving as a key conduit between application teams and our managed service provider. The successful candidate will ensure reliable day-to-day operations, lead coordination of incident and request handling, and contribute to roadmap and modernization initiatives. This role demands both hands-on technical expertise in mainframe environments and collaborative leadership skills to align partners and keep systems running securely and efficiently. What you will do * Act as a main contact for mainframe operations, overseeing daily health, stability, and performance of mainframe systems and tools. * Serve as the bridge between application teams and the managed service provider, ensuring clear communication, timely resolution of issues, and effective coordination of changes and upgrades. * Manage Service Requests and Incidents from application teams, providing hands-on troubleshooting and advancing to service providers when necessary. * Manage and monitor ESP Scheduler activities, including scheduling, execution, and troubleshooting of batch and on-demand workloads. * Partner with application teams to optimize and maintain ESP job schedules, calendars, and dependencies. * Coordinate and oversee mainframe application upgrades and changes, partnering with app teams and the service provider to minimize risk and downtime. * Provide primary support for key applications such as Endevor, Terminal Emulator, Control-D and related tools. * Support audit and compliance activities, ensuring proper documentation and alignment to regulatory standards. * Deliver architectural input and technical evaluations of applications, guiding app teams on mainframe-related best practices. * Support real-time integrations and web services that connect distributed platforms to the mainframe. * Participate in and influence mainframe modernization efforts, helping transition legacy workloads toward more agile, integrated, and automated approaches. ## Related Videos - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [#90DaysOfDevOps - The DevOps Learning Journey](https://www.wearedevelopers.com/videos/548-90daysofdevops-the-devops-learning-journey) ## 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) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [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) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)