Zelcastalumni map

People who leave ECS most often go to a long tail of companies. Median stay 1y 9m

These are the engineers in the Zelcast network and the profiles run through the Eng Scorer, not ECS's headcount: 22 people on a map of 26,572, the No. 439 company on it by people. Updated August 20, 2026.

People on the map
220.1% of everyone on the map
There now
1359% of the people here
Moved on
941% of the people here
Median tenure
1y 9mmiddle half 1y 1m to 2y 5m

Put ECS side by side with another company, every number against every number.

Came from, went to

Ribbon width is the number of people who made the move. Most arrive from Booz Allen Hamilton.

ECS21 in · 9 out

9 recorded departures to 7 companies, none more than 2 to any one of them

3Booz Allen Hamilton
3 of 21 recorded arrivals shown, 18 more from 17 other companies0 of 9 recorded departures shown, 9 more to 7 other companies

After ECS

  • 33%Joined a big company3
  • 67%Elsewhere

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

How long people stay

18%<1y
36%1-2y
32%2-4y
14%4-7y
0%7y+
1y 9m median tenuremiddle half 1y 1m to 2y 5m

22 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: 22 joined, 9 left.

Caliber

Not enough scored profiles here yet (22).

Titles held here

  1. Senior Software Engineer4
  2. Software Engineer4

2 most common titles, by people who held them.

Where they studied

  1. George Mason18.2%
  2. Penn State13.6%

The 2 most listed schools among the 22 people here with a school on file.

Of the 22 people here with a school on file, 4 list George Mason and 3 list Penn State. A person can list more than one school, so these overlap rather than add up.

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 than that here.

Where they are now

91% of the people who have worked at ECS and list a location live in Washington DC today, against 7% of everyone on the map.

ECS
Everyone on the map
  • 91%Washington DC20 · map 7%

All 22 people who worked at ECS 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 they worked at ECS: a metro here does not mean the company has an office in it. The lower strip is the same metros across the whole map, for comparison.

Key facts

  • 22 people on the Zelcast alumni map have worked at ECS: 13 are there now and 9 have moved on.
  • The most common previous employer before ECS is Booz Allen Hamilton (3 people).
  • The median tenure at ECS is 1y 9m (middle half 1y 1m to 2y 5m).
  • Of those who moved on from ECS, fewer than 3 went on to a founder title, fewer than 3 joined a company with 200 or fewer people, and 33% joined a company with 10,000 or more.
  • The most common title held at ECS is Senior Software Engineer, then Software Engineer.
  • Of the 22 people here with a school on file, 4 list George Mason (18.2%), then Penn State (3). A person can list more than one school, so these overlap rather than add up.
  • 91% of the 22 people here who list a location live in Washington DC today, against 7% of everyone on the map. That is where they live now, not the office they sat in while they worked here.

About this data: built from 144,786 jobs across 26,572 engineers in the Zelcast network and Eng Scorer reads, updated August 20, 2026. A move counts when the next role starts within 24 months of leaving; companies with fewer than 20 people on the map are not shown, and destinations with fewer than 3 people are folded into the totals. Caliber is the Eng Scorer score.

Worked at ECS? See how your profile reads to a startup hiring manager, and where it ranks among 26,572 engineers.

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