How many employees work at Sentinel?
Sentinel Technologies, Inc. has approximately 883 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Sentinel’s total headcount has declined 5.1% from 930 employees in 2023 to 883 in 2026.
Is Sentinel hiring right now?
Yes, Sentinel is actively hiring. Sentinel had 64 active job postings in 2026, a 31.6% decline from 2025 — see job openings & hiring trends.
About Sentinel’s Workforce
Sentinel Technologies, Inc. is an Information Technology Services company that employs 883 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1982, the company is headquartered in Downers Grove, Illinois.
Sentinel's workforce has declined 5.1% from 2023 to 2026, down 0.6% year over year in 2026. It fell to a low of 883 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (91.6%), followed by South Asia (4.4%) and Southeast Asia (1.6%).
Sentinel's functional groups are Finance and Operations (40.8%), Engineering (37.2%), and Sales and Marketing (22.0%), with Engineering growing fastest (up 1.2%). The average salary is $101,715, ranging from a median of $105,000 in North America to $11,000 in Southeast Asia, down 2.0% year over year in 2026.
Sentinel's active job postings fell 31.6% in 2026 to 64, with new postings per month cooling from 67 in 2023 to 30 in 2026. Overall employee sentiment is negative and declining.
Sourced from Revelio Labs workforce data.
- Headquarters
- Downers Grove, Illinois
- Founded
- 1982
- Industry
- Information Technology Services
- Employees
- 883
- YoY
- -0.6% (-13)
As of March 2026
Sentinel workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Sentinel. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsSentinel Annual Employee Count (2023-2026)
- Sentinel had 883 employees in 2026, a 0.6% decline (-13) from 2025.
- Sentinel had 895 employees in 2025, a 0.6% decline (-4) from 2024.
- Sentinel had 899 employees in 2024, a 0.7% decline (-19) from 2023.
- Sentinel had 918 employees in 2023, a 0.1% decline (+32) from 2022.
Sentinel's total workforce has declined from 930 employees in 2023 to 883 in 2026.
Sentinel Technologies, Inc. quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 883 | -13 | -0.6% |
| 2025 | Q4 | 895 | -4 | -0.6% |
| 2025 | Q3 | 891 | -25 | -1.1% |
| 2025 | Q2 | 910 | -19 | -0.4% |
| 2025 | Q1 | 896 | -16 | -0.9% |
| 2024 | Q4 | 899 | -19 | -0.7% |
| 2024 | Q3 | 916 | -5 | -0.9% |
| 2024 | Q2 | 929 | -1 | -1.2% |
| 2024 | Q1 | 912 | +21 | -0.7% |
| 2023 | Q4 | 918 | +32 | -0.1% |
| 2023 | Q3 | 921 | +63 | +1.1% |
| 2023 | Q2 | 930 | +79 | +3.2% |
See Sentinel's complete headcount history, including quarterly breakdowns.
Get the DataSentinel Employee Count by Region (2026)
North America accounts for the largest share of Sentinel's global workforce with approximately 92% of total employees, followed by South Asia and Southeast Asia.
Sentinel employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 799 | 91.6% |
| South Asia | 38 | 4.4% |
| Southeast Asia | 14 | 1.6% |
| Southern Europe | 5 | 0.5% |
| Northern Europe | 4 | 0.4% |
| Sub-Saharan Africa | 3 | 0.3% |
| Western Europe | 2 | 0.2% |
| Eastern Europe | 2 | 0.2% |
| Arab States | 2 | 0.2% |
| Pacific Islands | 1 | 0.2% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataSentinel Employee Count by Department (2026)
Sentinel's employee groups are Finance and Operations (40.8%), Engineering (37.2%), and Sales and Marketing (22.0%).
Sentinel employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 359 | 40.8% |
| Engineering | 327 | 37.2% |
| Sales and Marketing | 194 | 22.0% |
Compare Sentinel's department mix to industry peers.
See Full DataSentinel Employee Salary by Region (2026)
Sentinel's average employee salary is $101,715 globally. Employees in North America receive the highest compensation. Pay is lowest in Southeast Asia, at a median of $11,000.
Sentinel median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $105,000 |
| Southern Europe | $21,000 |
| Southeast Asia | $11,000 |
| South Asia | $11,000 |
Unlock salary by role, level, and city — and compare to Sentinel's industry peers.
Unlock Salary DataSentinel Job Openings and Hiring Trends (2023-2026)
- Sentinel had 64 active job postings in 2026, a 31.6% decline (+14) from 2025.
- Sentinel had 50 active job postings in 2025, a 9.5% decline (-5) from 2024.
- Sentinel had 55 active job postings in 2024, a 49.3% decline (-36) from 2023.
- Sentinel had 91 active job postings in 2023, a 5.3% decline from 2022.
- Hiring velocity in 2026: 30 new roles/month, down from 48 in 2025 and 67 in 2024.
Sentinel's hiring is slowing: active job postings fell 31.6% in 2026 to 64, with new postings per month cooling from 67 in 2023 to 30 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataSentinel Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Sentinel's workforce based on public professional data. Overall sentiment is negative and has declined year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
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Frequently Asked Questions About Sentinel
- How fast is Sentinel growing?
- In 2026, Sentinel's headcount shrank 0.6% to 883 employees, down from 896 in 2025.
- See the full headcount history
- Where are Sentinel employees located?
- Most Sentinel employees are based in North America (91.6% of headcount), followed by South Asia and Southeast Asia.
- Explore where the workforce is based
- What is the average salary at Sentinel?
- The average employee salary at Sentinel is approximately $101.7k per year.
- Analyze the salary distribution
- How many new job postings does Sentinel open per year?
- In Q1 2026, Sentinel opened 90 new job postings. In 2025, Sentinel opened 570 new job postings — about 48 per month.
- Track hiring trends by role
- When was Sentinel founded and where is it headquartered?
- Sentinel was founded in 1982 and is headquartered in Downers Grove, Illinois.
- Compare Sentinel to industry peers
Speak with a workforce expert about Sentinel.
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