Knowledge That Survives Turnover
When senior engineers leave, organisations often discover how much context never made it out of their heads.
Turnover is inevitable. Knowledge loss is not - at least not at the scale most teams experience it. The problem is not that people leave. The problem is that critical understanding only ever lived with them.
What walks out the door
- Why legacy services still exist
- Which "temporary" workarounds are load-bearing
- Who to ask about obscure subsystems
- Which past migrations failed and why
- Operational instincts that never made it into runbooks
Build resilience before you need it
Practical moves
- 1
Connect people to systems
Ownership and expertise should be part of the knowledge system, not only in people's memories.
- 2
Preserve decisions with reasoning
Record what was chosen, what was rejected, and which constraints still apply.
- 3
Reuse incident and design history
Past work should inform the next change, not sit sealed in a closed ticket.
- 4
Make knowledge queryable
If a new engineer cannot find "why does this service work this way?", the knowledge was never made usable.
Keep organisational knowledge when people move on
Prodigent links systems, decisions, incidents, and people so context stays with the organisation.
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