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Sentinel Offender Services Overview

Founded in 1993, Sentinel Offender Services is an established organization that loves to hire graduates from Valdosta State University, with 10.4% of its employees having attended Valdosta State University. Want to compare Sentinel Offender Services to some other great places to work in California? We suggest taking a look at Zippia's list of Best Companies to Work For in California. The average employee at Sentinel Offender Services makes $49,677 per year, which is competitive for its industry and location. Some of its highest paying competitors, BI, Oklahoma Department of Rehabilitation Services, and Anoka County, pay $71,325, $45,129, and $42,329, respectively.
Sentinel Offender Services is a small government organization based in California with only 200 employees and an annual revenue of $12.0M.


Public Safety





Founded in



Irvine, CA



Organization Type


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The Team At Sentinel Offender Services

Key People

Tom Flies

Mark A. Contestabile

Sentinel Offender Services Company Rankings

Sentinel Offender Services is ranked #5 on the Best Government Companies to Work For in Irvine, CA list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

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Sentinel Offender Services Salaries

How much does Sentinel Offender Services pay?
The national average salary for a Sentinel Offender Services employee in the United States is $49,677 per year. Employees in the top 10 percent can make over $89,000 per year, while employees at the bottom 10 percent earn less than $27,000 per year.
Salary Score
Average Sentinel Offender Services Salary
$49,677 yearly
$23.88 hourly
Updated May 26, 2022
10 %
90 %
Average Employee Earnings

Highest Paying Jobs At Sentinel Offender Services

RankJob TitleAvg. SalaryHourly Rate
1Senior Team Lead$111,666$54
2Systems Developer$97,782$47
3Firmware Engineer$91,866$44
4Junior Software Developer$64,464$31
5Probation Officer$59,735$29
6Service Officer$54,256$26
7Team Leader/Supervisor$53,541$26
9Program Administrator$50,011$24
10Office Manager$49,900$24
11Electronics Technician$46,077$22
12Equipment Technician$43,168$21
13Case Manager$40,317$19
14Accounting Clerk$36,634$18
15Administrative Assistant$35,175$17
16Office Administrator$33,572$16
19Finance Service Representative$32,414$16
20Call Center Operator$30,908$15

Sentinel Offender Services Demographics Summary

Diversity Score
We calculated the diversity score of companies by measuring multiple factors, including the ethnic background, gender identity, and language skills of their workforce.

Sentinel Offender Services Gender Distribution


Research Summary. Using a database of 30 million profiles, Zippia estimates demographics and statistics for Sentinel Offender Services. Our estimates are verified against BLS, Census, and current job openings data for accuracy. After extensive research and analysis, Zippia's data science team found that:

  • Sentinel Offender Services has 200 employees.

  • 65% of Sentinel Offender Services employees are women, while 35% are men.

  • The most common ethnicity at Sentinel Offender Services is White (49%), followed by Black or African American (21%) and Hispanic or Latino (20%).

  • On average, employees at Sentinel Offender Services stay with the company for 4.0 years.

  • The average employee at Sentinel Offender Services makes $49,677 per year.

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Sentinel Offender Services Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


$10M - $100M

Founded in


Organization type


Sentinel Offender Services Financing Rounds

DateAmountSecurity Type
Feb 17, 2017$13,172,044Equity

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Sentinel Offender Services Competitors

Competitors of Sentinel Offender Services include BI, Oklahoma Department of Rehabilitation Services, and Anoka County. The wages at BI average higher than the other similar companies, where the median salary is $71,325 per year. The employees at Oklahoma Department of Rehabilitation Services earn an average yearly salary of $45,129 per year, and the salaries at Anoka County average $42,329 per year.
Average Salarydesc
Salary Range53k - 95k$71k$71,325
Oklahoma Department of Rehabilitation Services
Salary Range34k - 58k$45k$45,129
Anoka County
Salary Range32k - 55k$42k$42,329

Tarrant County

Salary Range28k - 47k$37k$36,831

Frequently Asked Questions about Sentinel Offender Services

When was Sentinel Offender Services founded?

Sentinel Offender Services was founded in 1993.

How many Employees does Sentinel Offender Services have?

Sentinel Offender Services has 200 employees.

How much money does Sentinel Offender Services make?

Sentinel Offender Services generates $12.0M in revenue.

What industry is Sentinel Offender Services in?

Sentinel Offender Services is in the public safety industry.

What type of company is Sentinel Offender Services?

Sentinel Offender Services is a government company.

Who are Sentinel Offender Services's competitors?

Sentinel Offender Services competitors include BI, Anoka County, Tarrant County, Oklahoma Department of Rehabilitation Services.

Who works at Sentinel Offender Services?

Tom Flies (Chief Executive Officer)

Mark A. Contestabile (Chief Business Development Officer)

Where is Sentinel Offender Services's headquarters?

Sentinel Offender Services's headquarters is in Irvine, CA.

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Zippia gives an in-depth look into the details of Sentinel Offender Services, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Sentinel Offender Services. The employee data is based on information from people who have self-reported their past or current employments at Sentinel Offender Services. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Sentinel Offender Services. The data presented on this page does not represent the view of Sentinel Offender Services and its employees or that of Zippia.

Sentinel Offender Services may also be known as or be related to SENTINEL OFFENDER HOLDINGS, LLC, Sentinel Offender Services, Sentinel Offender Services, Llc and Sentinel Offender Services.