Zelcastalumni map

People who leave Zscaler most often go to a long tail of companies. Of them, 38% go somewhere small. The median tenure is 2y

Not Zscaler's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 34 people on a map of 67,181, No. 746 on it by people. Updated September 30, 2026.

People on the map
340.1% of everyone on the map
There now
1750% of the people here
Moved on
1750% of the people here
Median tenure
2ymiddle half 1y 1m to 2y 8m

Put Zscaler side by side with another employer.

Came from, went to

Ribbon width is the number of people who made the move.

Not enough recorded moves to draw a river for Zscaler yet.

After Zscaler

  • 38%Joined a startup6
  • 31%Joined a big company5
  • 31%Elsewhere

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

How long people stay

25%<1y
21%1-2y
39%2-4y
7%4-7y
7%7y+
2y median tenuremiddle half 1y 1m to 2y 8m

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

Who comes and goes, by year

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

2014 to 2026: 36 joined, 19 left.

Caliber

Not enough scored profiles here yet (16).

Titles held here

  1. Software Engineer6
  2. Software Engineer Intern5
  3. Senior Machine Learning Engineer3
  4. Senior Software Development Engineer3
  5. Staff Software Development Engineer3

5 most common titles, by people who held them.

First job on the record for 15% of people here.

Where they studied

  1. Georgia Tech11.8%
  2. Arizona State8.8%
  3. UC Berkeley8.8%

The 3 most listed schools among the 34 people here with a school on file.

4 of the 34 people here with a school on file list Georgia Tech, 3 list Arizona State and 3 list UC Berkeley. A person can list more than one, so these overlap.

Public work

one square is one in a hundred
32%have a public GitHub account on their profile

11 of the 34 people here whose profile was checked for public accounts. An account the check missed reads the same as no account, so this is a floor.

31% is the median across the 857 companies that can show this figure.

Where they are now

65% of the people who have worked at Zscaler and list a location live in the San Francisco Bay Area today, against 41% of everyone on the map.

Zscaler
Everyone on the map
  • 65%SF Bay Area22 · map 41%
  • 15%Washington DC5 · map 13%
  • 9%New York3 · map 18%
  • 12%Somewhere else4

All 34 people who worked at Zscaler 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 Zscaler: 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 Zscaler, at any point in a career.

Key facts

  • 34 people on the Zelcast alumni map have worked at Zscaler: 17 are there now, 17 have moved on.
  • Median tenure at Zscaler: 2y, middle half 1y 1m to 2y 8m.
  • Of the people with a recorded next move after Zscaler, fewer than 3 went to a founder title next, 38% joined a company of 200 or fewer, and 31% joined one of 10,000 or more.
  • Most common title held here: Software Engineer, then Software Engineer Intern.
  • Top school: Georgia Tech, listed by 4 of the 34 people here with one on file (11.8%). Then Arizona State (3).
  • 65% of the 34 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.
  • 32% of the 34 people here whose profile was checked for public accounts have a public GitHub.

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

Previous on the mapWeights & BiasesNo. 745 by people · 34 on the mapNext on the mapACM, Association for Computing MachineryNo. 747 by people · 33 on the map

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