Zelcastalumni map

People who leave F5 Networks most often go to a long tail of companies. Of them, 17% go somewhere small

Not F5 Networks's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 21 people on a map of 67,181, No. 1,221 on it by people. Updated September 30, 2026.

People on the map
21Under 0.1% of everyone on the map
There now
314% of the people here
Moved on
1886% of the people here
Median tenure
–fewer than 20 stays here have both a start and an end on the record, too few for a median

Put F5 Networks side by side with another employer.

Came from, went to

Ribbon width is the number of people who made the move. Most arrive from Shape Security.

F5 Networks19 in · 21 out

21 recorded departures to 20 companies, none more than 2 to any one of them

16%3Shape Security
3 of 19 recorded arrivals shown, 16 more from 16 other companies0 of 21 recorded departures shown, 21 more to 20 other companies

After F5 Networks

  • 17%Joined a startup3
  • 22%Joined a big company4
  • 61%Elsewhere

Shares of those who moved on, by their next stop.

How long people stay

18%<1y
41%1-2y
18%2-4y
12%4-7y
12%7y+
– median tenure

17 stays with both a start and an end on the record.

Who comes and goes, by year

12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
joined left2026 is a partial year

2012 to 2026: 20 joined, 19 left.

Caliber

Not enough scored profiles here yet (19).

Titles held here

  1. Software Engineer6
  2. Software Engineer Intern4
  3. Senior Software Engineer3

3 most common titles, by people who held them.

First job on the record for 10% of people here.

Where they studied

Not enough education on the record here.All 21 people here have a school on file, but no school is listed by as many as 3 people, the fewest this map will count.

Public work

Not enough of the record here has been checked.This share needs 30 people whose profile was checked for public accounts, and there are fewer here.

Where they are now

62% of the people who have worked at F5 Networks and list a location live in the San Francisco Bay Area today, against 41% of everyone on the map.

F5 Networks
Everyone on the map
  • 62%SF Bay Area13 · map 41%
  • 24%New York5 · map 18%
  • 14%Somewhere else3

All 21 people who worked at F5 Networks list a location, and every share here is over them.

Where they live now, from the profile as it reads today, not where they sat while working at F5 Networks: a metro here isn't an office there. The lower strip is the same metros across the whole map.

On the same resumes

Companies that show up most often alongside F5 Networks, at any point in a career.

Key facts

  • 21 people on the Zelcast alumni map have worked at F5 Networks: 3 are there now, 18 have moved on.
  • Most arrive from Shape Security: 3 people.
  • Of the people with a recorded next move after F5 Networks, fewer than 3 went to a founder title next, 17% joined a company of 200 or fewer, and 22% joined one of 10,000 or more.
  • Most common title held here: Software Engineer, then Software Engineer Intern.
  • 62% of the 21 people here who list a location live in SF Bay Area today, against 41% across the map. Where they live now, not the office they sat in while they worked here.

About this data: built from 352,028 jobs across 67,181 engineers in the Zelcast network and Eng Scorer reads, updated September 30, 2026. A move counts when the next role starts within 24 months of leaving. Companies under 20 people on the map aren't shown, and destinations under 3 people fold into the totals. Caliber is the Eng Scorer score.

Worked at F5 Networks? See how your profile reads to a startup hiring manager, and where it ranks among 67,181 engineers.

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