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Sr. Linux Admin

3 months ago

Old Toronto, Canada AddSource Full time

Title: Sr. Linux Admin

Location: Toronto, ON, Canada

Skills and Responsibilities:

  • Ensure documentation is created/verified and issues are documented along with resolutions.
  • Direct server health checks before and after patching for validation.
  • Manage creation of tickets for support to resolve issues identified during server health checks.
  • Direct OS-level patching and remediation activities as defined in the application-level remediation plan.
  • Perform monthly patching using HPSA tool and/or manually as required to remediate outstanding vulnerabilities (Windows specific).
  • Perform patching utilizing tools and processes defined by the client to meet established forecasts (Linux).
  • Provide daily updates to PA on change schedule/implementation to track progress.
  • Troubleshoot escalated issues that arise during system reboots or remediation until the problem is deemed non-trivial.
  • Open incident tickets to Client Support for system issues that occur because of reboot or remediation that were deemed non-trivial after initial troubleshooting.
  • Own ticket creation for all changes to be performed on servers for assigned applications (Windows specific).
  • Schedule events and load patching tool based on monthly patching matrix (Windows specific).
  • Perform server health checks before and after patching for validation (Linux specific).
  • Perform OS-level patching as defined in the run book provided by the client.
  • Troubleshoot and escalate issues that arise during system reboots or remediation until the problem is deemed non-trivial.
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