How many employees work at Sentinel?

Sentinel Technologies, Inc. has 932 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -1.3%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Sentinel

When it comes to achieving a tangible ROI and sustainable performance from your IT environment, Sentinel takes the lead. Even as our services have spanned generations of technology, Sentinel has stayed at the forefront of IT developments and maintained a singular focus on providing practical and innovative solutions. With single-source accountability, Sentinel processes and teams can efficiently address a range of IT needs – from communications, to data center, to cloud and managed services. Our proven success has allowed us to expand from our original charter of providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the U.S. By aligning with many of today’s global technology leaders including Cisco, Microsoft, Dell EMC, NetApp and VMware, Sentinel solutions achieve tangible results. Sentinel services customers both nationally and internationally with operating centers in Downers Grove, IL; Chicago, IL; Springfield, IL; Detroit, MI; Grand Rapids, MI; Lansing, MI; Milwaukee, WI; Phoenix, AZ; and Denver, CO. Since 1982, opportunities at Sentinel have been created by achieving consistent growth in our core business coupled with expanded geographic reach and the rapid adoption of cutting edge technology. Our commitment to our employees has remained consistent through the years-to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and rewards success! Ranked #7 in the Chicago Tribune Top 100 workplaces, midsize business category.

As of September 2025

Sentinel
workforce metrics

Headcount

932

Avg. Salary

$104k

Tenure

6.5yr

Growth Rate

-1.3%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Sentinel annual worldwide employee count from 2023 to 2025.

  • Sentinel total number of employees in 2025 was 954.779, a 1.3% decline from 2024.
  • Sentinel total number of employees in 2024 was 944.648, a 1.0% decline from 2023.
  • Sentinel total number of employees in 2023 was 954.226, a 2.1% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Sentinel annual active job postings from 2023 to 2025.

  • Sentinel active job postings in 2025 was 126, a 83.3% decline from 2024.
  • Sentinel active job postings in 2024 was 131, a 37.3% decline from 2023.
  • Sentinel active job postings in 2023 was 191, a 19.0% decline from 2022.

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Employee Sentiment

Sentiment Topics

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