> Markdown version of [/jobs/ext/4628720-it-enterprise-system-administrator-ii](https://www.wearedevelopers.com/jobs/ext/4628720-it-enterprise-system-administrator-ii). 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). --- # IT Enterprise System Administrator II - **Company:** Greenstate Credit Union - **Location:** North Liberty, IA, United States - **Salary:** $103,793.0 - $121,346.0 - **Contract:** Permanent contract - **Skills:** Application Configuration Access Protocols, Disaster Recovery, Release Management, Server Administration, Software Engineering, Product Software Implementation Methods - **Published:** November 7, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=3057039940-2 ## About the Role * Jack Henry core platform administration * Op * Con workflow automation * Server monitoring * Application configuration * Software patching and upgrades * Release management * Hardware and software implementation * System troubleshooting * Business continuity testing * Disaster recovery ## Description Maintain GreenState Credit Union's Jack Henry core platform to ensure availability, security, and integration with other systems. Lead workflow automation using OpCon, manage application configuration and releases, coordinate vendors, and support business continuity and disaster recovery., * Maintain and monitor the Jack Henry core platform, including server activity, hardware, upgrades, and system performance. * Administer Op * Con workflow automations and manage application configuration, patching, and release management. * Coordinate with vendors and internal users to resolve issues and implement software and hardware changes. * Plan and support system upgrades, production maintenance, and application configuration changes. * Facilitate business continuity tests and disaster recovery planning and testing. * Document repeatable procedures and support application training and operating documentation.