1.Open the campaign map and start World 1 if you are new.
2.Each level teaches one idea, then a short incident quiz.
3.Finish the levels for this skill, then return to your job path.
World 3 (The Architect) overlaps SysDesign skill 3. Treat it as extra practice on the campaign map, not a second required path.
Job path · Step 3
Linus Desk
A fake Ubuntu desk and terminal — files, processes, and real shell missions.
Your progressFDE campaign
Junior FDE Intern
Start at World 1 · The Academy
1 day streak
Clearance0 / 42 levels
Stars
0
Worlds1 / 7
Campaign map
The 7 worlds
Clear missions in order. Locked worlds open when you finish the world before them.
In progress
World 1 · Junior FDE Intern
The Academy
From Absolute Zero to Reading the Matrix
0 / 6 missionsExplore
Locked
World 2 · Junior Forward Deployed Engineer
The Firefighter
Enterprise Incident Triage & Live Log Surgery
Requires World 1
Locked
World 3 · Mid Forward Deployed Engineer
The Architect
System Design & High-Availability Topologies
Requires World 2
Locked
World 4 · Senior Integration Specialist
Integration Specialist
Distributed Systems, Deadlocks & Queues
Requires World 3
Locked
World 5 · Staff AI Systems Architect
AI Systems Architect
RAG Pipelines, Vector DBs & LLM Operations
Requires World 4
Locked
World 6 · Principal Forward Deployed Engineer
Forward Deployed Principal
Multi-Region Failover, CAP Theorem & Global Scale
Requires World 5
Locked
World 7 · Legendary FDE Genius
The Boss Gauntlet
Elite Real-World Outage Speed Runs & Sandbox
Requires World 6
