Systems Engineer

Celtic Bank is seeking a Systems Patch Engineer to manage and optimize our enterprise patch management program. This role focuses on operating system and third-party application patching across Windows, Linux, and macOS environments using Tanium.

The Systems Patch Engineer will design, implement, and maintain reliable patch deployment processes; administer Tanium policies and deployment rings; remediate vulnerabilities; and help ensure compliance with applicable IT, security, and regulatory standards. The ideal candidate combines strong Tanium expertise with practical experience in vulnerability remediation, endpoint management, automation, and cross-functional collaboration.

Essential Job Functions

• Administer, configure, and maintain the Tanium platform, including patch modules, action groups, endpoint client health, and patch policy configuration.
• Plan, schedule, and deploy operating system and third-party application patches across all Windows, Linux, and macOS systems using Tanium.
• Design, implement, and maintain patch deployment rings, maintenance windows, and blackout periods that balance risk reduction with business availability.
• Monitor, investigate, and remediate failed or missing patch deployments, partnering with Cybersecurity, Infrastructure, and application owners as needed.
• Tune and refine patch policies to reduce deployment failures and end-user disruption while maintaining timely remediation of