// tech / infrastructure
Keep production healthy — Linux, deployments, and incident response. Spend 30–60 minutes inside a realistic devops engineer simulation — Slack threads, tickets, code review, and a hidden challenge that mirrors what actually happens on the job.
New accounts get 14 days of Pro free · unlimited simulations · no card required.
9:00 AM
Standup
Morning sync — overnight alerts and today's priorities
9:30 AM
Incident: Service Down
App-server is returning 502s. SSH in, find the root cause, and restore service
11:00 AM
Disk Space Alert
PagerDuty fired: disk at 95%. Find what's eating space and clean it up before it hits 100%
2:00 PM
Deployment Prep
Fix deploy.sh permissions before the 3 PM release window — it's failing with permission denied
4:00 PM
Postmortem
Document today's incidents for the team postmortem
4:55 PM
End of day
Trying to log off — Marcus wants to push a "one-line terraform fix" to prod tonight and file the CAB ticket Monday post-hoc. SOX ITGC audit had a "qualified" finding last quarter on this exact pattern.
P1: app-server returning 502s since 09:08 — port conflict on :8080
Disk alert — prod-server-1 at 95%, nginx logs suspect
Fix deploy.sh permissions — release window at 15:00 today
Maya R.
Senior DevOps Engineer
Tom C.
Platform Lead
Anika S.
Security Engineer
Marcus Brennan
Senior Infrastructure Engineer
Scorecard
Technical, communication, and collaboration scores plus a letter grade — instantly after the workday ends.
Hiring manager feedback
A written debrief explaining what you did well and what would have raised concerns in a real interview loop.
Verified certificate
Shareable LinkedIn certificate that links back to your scorecard — proof you can perform, not just answer questions.
Behavioral signals
Did you communicate proactively, escalate when needed, prioritize correctly under pressure? All measured.
New accounts get 14 days of unlimited Pro access — no credit card required.
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