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Whether you want to do business with us or work for us, Protos offers a unique experience for our partners and employees that differentiates us within the industry. We consistently strive to do business the right way and are proud of having a service first culture. Protos is constantly innovating and looking for agile businesses as well as individuals who will not only help grow our team but also grow with us over time. Select an option below for more information about joining Team Protos.

Many Ways to Join Team Protos

Become A Vendor

 

If you own or manage a security company, join our growing nationwide network of providers.

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APPLY FOR OFF-DUTY ASSIGNMENTS

We are currently accepting applications from law enforcement officers nationwide.

 
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BROWSE OUR CAREERS CENTER

Explore our career listings and apply now to be a part of Team Protos.

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INTERESTED IN SELLING YOUR COMPANY?

Our team is exploring new opportunities to acquire high quality security companies.

 
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Protos
Headquarters

383 Main Ave, Suite 505
Norwalk, CT 06851, USA
Phone: 203.941.4700

Mark Hjelle

Chief Executive Officer

Mark Hjelle is the CEO of Security Services Holdings, LLC as well as Protos Security and its subsidiaries. Mark is an experienced Chief Executive Officer and Board Member who has led large national business and facilities services firms for nearly 25 years delivering strong top- and bottom-line growth while building high-performing teams with strong culture. Most recently, he was CEO for CSC ServiceWorks, a B2B2C provider of technology-enabled consumer services. Prior to CSC, Mark was President of Brickman/Valleycrest a national provider of exterior landscape and snow removal services. Over the course of his 18-year tenure at Brickman, he held numerous leadership positions in operations, finance and business development. Mark holds a Bachelor of Science degree in Economics from The Wharton School of Business, University of Pennsylvania, a Master of Government Administration from the University of Pennsylvania Fels Institute of Government and a Law Degree from Case Western Reserve School of Law.