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Headquarters Downers Grove, IL
Size 150 to 499 Employees
Founded 1982
Type Company - Private
Industry Information Technology
Revenue Unknown / Non-Applicable per year

Sentinel Technologies keeps a watchful eye on its customers' communications networks. The company provides IT services such as application development, systems integration, and technical support. Areas of specialty include enterprise messaging, IP telephony, wireless networking, and data storage systems. It supplies, installs, and services computer, networking, and communications products made by such vendors as Cisco Systems, Tandberg, and EMC. The company's software customization efforts are centered around products from Cisco and Microsoft. Outside of Illinois, Sentinel... More

Working at Sentinel Technologies

Posted by employees

Employees say it's “OK”   13 ratings


65% Approve of the CEO   8 ratings

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Dennis Hoelzer

President and CEO

Great Company to gain new skills and enhance current skills

  Current Computer Systems Engineer in Downers Grove, IL

Pros: Time Off when you need it. Managers don't breathe down your neck. You get to work with some of the biggest household corporate names in America. Full Review

More Sentinel Technologies Ratings & Reviews ( 13)

Salaries in USD  United States Avg. Salary

Network Analyst

2 Sentinel Technologies Salaries


Senior Systems Support Engineer

2 Sentinel Technologies Salaries


Advanced Network Analyst

1 Sentinel Technologies Salary


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More Sentinel Technologies Salaries (13)

Accepted Offer Reviewed 5 days ago New

Interview Details – Was very was relaxed, asked me about experience and where I saw myself within the company, about as standard as you could possibly get. Would sharpen up a little bit about the companies history and overview but still nothing to challenging in that regard.Full Interview

Interview Question:
nothing really. Answer Question

More Sentinel Technologies Interview Questions & Reviews (3)

Sentinel Technologies Awards & Accolades

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Best Places To Work in Chicago (Honorable Mention), Crain's Chicago Business, 2008

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