Example Achievement Log for a System Administrator

Software & IT

Example Achievement Log for a System Administrator

Below is a year's worth of entries from a System Administrator tracking infrastructure wins, on-call incidents, and the grinding work of keeping systems running. This log captures both the visible successes and the unglamorous problem-solving that makes the difference between a smooth year and a crisis year.

A year in the life of a System Administrator's log

  • Jan - task: Took over maintenance of the HVAC monitoring system after Raj left. Three separate sensor integrations were hardcoded, broke on every environment change. Started refactoring to use environment variables.
  • Jan - achievement: Completed decommissioning of the old SAN. Migrated 2.3 TB of archived audit logs to MinIO, verified checksums on all files, deprovisioned 12 Fibre Channel ports. Saved $14k annual licensing.
  • Mar - task: During March storage crunch, discovered our Veeam backups were running but never validating. Set up nightly restore tests for a random VM. Found three backups that would have failed on actual recovery.
  • Apr - achievement: Built automated SSL certificate renewal pipeline. Replaced manual renewal process that required downtime and happened on whoever remembered. Cut certificate-related incidents from four per year to zero.
  • Apr - feedback: Sarah in security asked me in the hallway if I'd done something different with cert management. Said it showed up as a control improvement in their audit. First time that's happened.
  • Jun - task: Investigated why database replication was lagging 40 minutes during business hours. Turns out the backup window was fighting with nightly indexing. Rescheduled indexing to 2 AM, lag now under two minutes.
  • Jul - achievement: Led migration of 47 Linux VMs from RHEL 7 to RHEL 8. Tested offline in staging, built runbooks for each app team, coordinated cutover windows. Zero unplanned downtime, completed two weeks early.
  • Aug - feedback: Marcus from ops called me after the RHEL 8 migration. Said the runbooks were so clear his team could handle patching without waiting for me. That never happens.
  • Sep - task: Got paged at 3 AM for a disk full alert on the mail server. Temp files filled it overnight. Cleared space, discovered the cleanup script hadn't run in six weeks. Fixed cron job permissions.
  • Oct - achievement: Finished HVAC refactor. Environment configs are now readable, testable, and version-controlled. Reduced sensor alert false positives by 73 percent. Next admin won't have to reverse-engineer hardcoded thresholds.
  • Nov - achievement: Automated DNS failover for the API cluster. Built monitoring that detects unhealthy nodes and updates records in 90 seconds instead of manual 15-minute incidents. Handled three failures cleanly in testing.

What makes a strong entry

What most people write: Improved backup process by adding validation.

What went in the log: During March storage crunch, discovered our Veeam backups were running but never validating. Set up nightly restore tests for a random VM. Found three backups that would have failed on actual recovery.

The strong version names the specific tool (Veeam), the discovery method (random VM restore testing), and the concrete risk that was hidden (three broken backups). At review time, this proves you caught a real gap, not that you made a vague process improvement.

What most people write: Led migration of Linux servers to newer version.

What went in the log: Led migration of 47 Linux VMs from RHEL 7 to RHEL 8. Tested offline in staging, built runbooks for each app team, coordinated cutover windows. Zero unplanned downtime, completed two weeks early.

The strong version specifies the count (47 VMs), the versions (7 to 8), the stakeholders involved (app teams), and the outcome metrics (zero downtime, early delivery). Numbers and names make the achievement reviewable, not just credible.

How this becomes your review in November

This year I focused on turning reactive work into something defensible. I discovered our backup validation was broken and fixed it before it cost us. The RHEL 8 migration of 47 VMs went seamlessly because I tested the runbooks and gave app teams the clarity to manage their own patches afterward. I also finished the HVAC refactor that my predecessor left in hardcoded chaos, cutting false positives by 73 percent and leaving the next admin with something readable. The mix of migrations, automation, and unglamorous troubleshooting kept systems running reliably.

Starting your own log

Don't try to reconstruct a year you have already had. Start from today, one line whenever something happens, and let it build. The Perform Review Achievement Log does this for you and can capture wins straight from Slack, and how to start an achievement log covers the wider playbook.

Example Logs for Related Roles

Ready to start your own? Start your Achievement Log free, see how the Perform Review Achievement Log works, or browse performance review phrases for System Administrator.