Systel's Employees

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Here at Systel, we take pride in hiring dependable, knowledgeable employees who work hard and represent our company’s values. Dedication, honesty, and reliability are some of the most important qualities we aim to exemplify through each individual of our corporation.

Each employee, no matter his/her position within our company, contributes to the success Systel achieves. Held to the highest standard of integrity, every employee is treated with respect and courtesy. Constant communication and understanding strengthens our team here at Systel, and in turn, allows us to perform above and beyond your expectations.

Jon SligerJon Sliger - President/Chief Executive Officer (
Jon has been in the technology industry for more than 20 years focusing on areas such as networking, security, and development. He holds multiple certifications including Microsoft MCSE, Cisco CCNA, Unlimited Low Voltage, Certified Fiber Optic Technician, etc. Originally from Dallas, Texas until moving to Georgia in 2000, Jon has had multiple working experiences in Fortune 500 and 1000 companies. He has been married to his beautiful wife for nearly 25 years, and they have one daughter and two dog sons. In his free time, Jon enjoys golfing, scuba diving, snowmobiling, and 4-wheeling. He also enjoys traveling the world and has visited multiple countries from three different continents. Jon’s favorite country to visit is Germany, and his favorite city to visit is New York City.
Troy ZavitzTroy Zavitz - Vice President of Business Development / Sales Manager (
Troy is an ambitious self-starter who has been an integral part of Systel’s success. With a Bachelor’s degree in Logistics from Central Texas College, Troy is knowledgeable and constantly strives for success. Since the beginning of 2014 when he joined Systel as the Business Development Manager, Troy has helped Systel reach many of its goals and accomplishments. With over 25 years of sales and training experience, Troy is an essential component to bringing lasting business relationships from Fortune 500 companies to local mom-and-pop shops. Before joining Systel, Troy served over 8 years in the Army most recently as an aviation instructor. After getting out of the Army, Troy ran the Logistics and Field Service engineering support for Scientific Atlanta and Viasat Satellite Networks. A few of his programs included, Iridium Satellite Communications and Space Imaging, which is now part of Google Earth.
Amber SligerAmber Sliger - Vice President (
Amber is a devoted animal lover and loves to spend her free time spoiling her fur baby, Addie. She graduated from the University of Richmond where she studied management, law, and business administration; she plans to continue her education by earning her MBA over the next couple of years. Having worked for Systel over the past few years, she has been able to apply herself and gain hands-on experiences. In her spare time, she enjoys cheering on the Dallas Cowboys and grabbing coffee and drinks with friends. On her days off, she tries to get in a round of golf or a day at the dog park.
Lindsay LivelyLindsay Lively - Office Manager
Lindsay, more commonly referred to as Lou, grew up in a small town in Michigan and moved to Georgia in early 2015. She loves to volunteer at the Georgia SPCA dog shelter, and to explore the areas around her frequently getting lost. Lou has a caring heart, and she teaches a Sunday school class full of energetic two year olds. She has been in the field for two years with Systel, and she is currently taking college classes working towards achieving her BA in business and psychology. In her free time, she enjoys reading or hiking. She also likes talking with her family and friends or cooking experimental dishes.
Keith ArnettKeith Arnett - Sales / Business Development Representative (
Keith is a Georgia native that has been in sales for over 20 years. After his Reinhardt College days, he joined the PGA of America as a golf professional and spent 5 years chasing his dream. When reality set in, he turned to sales as a profession and has never looked back. Putting people before anything else, Keith has built an impressive book of relationships that he has built over the years. When he is not working, you will find him spending quality time with his amazing son and family, fishing, hunting, dining, playing golf or volunteering at his charity organizations. His #1 bucket list item would be to travel the nation in an RV, playing golf, hunting, and fishing along the way!
David AlexanderDavid Alexander - Director of Sales / Business Development Representative (
David has lived in Georgia for over 40 years. He is married to his beautiful wife, Melody, and they have two adult children. After his days at Central Gwinnett High School, he graduated from Georgia Southern University with a Bachelors of Science in Technology. He then put that training to good use in the technology industry where he gained nearly 30 years of experience in sales, technical, product development and project management roles. In his spare time, you will find David spending time with his family and friends, serving on the media team at church, or on the golf course.

David AlexanderGeorge Heys - Senior Master Electrician (
After growing up in Ohio, George decided to serve his country by joining the US Navy in 1989. He was assigned to a submarine, the USS Houston, where he trained as a Nuclear Power Electrician. After his time in the Navy, George moved to the Gwinnett area in 1995 where he gained experience working as an electrician with several contractors. In 2013, he took his beautiful wife and daughter to live in Ecuador where they stayed until 2016 before moving back to Gwinnett. After gaining experience and broadening his knowledge in the electrical field, George applied for and received his Non-Restricted Electrical Contractor License in 2017. In his spare time, he enjoys spending time with his family, going on hikes, and exploring nature.
Brandon WilliamsBrandon Williams - Low Voltage Technician Manager / Journeyman Electrician (
At work, Brandon is a hardworking, confident professional, but at home, he is a loving family man. He loves playing and watching football, making and listening to music, and reading books. Starting off by helping his father with his electrical business, Brandon has been doing electrical work since he was a young teenager. Now, after over 17 years of experience with several industry leaders, he has encountered more than enough challenges and learning opportunities to become a well-rounded expert ready to offer solutions to customers on all of their cabling needs. As a lead technician with Systel, he is qualified in lighting, camera systems, fiber optics, networking and aerial cabling. In Brandon’s spare time, he enjoys working on carpentry, car audio, landscaping, and anything he can be proud of when he finishes. Brandon’s second full time job is spoiling his son and daughter.
Mario SaavedraJames Caldcleugh - Low Voltage Technician Lead / Journeyman Electrician (
James has been in the communication industry for over 11 years, and he has a wealth of knowledge that includes fiber optics, CAT6/CAT5e, cabling, splicing, broadband and troubleshooting. One of James's strongest assets is his personality; he has been successful in high customer satisfaction and his ability to work well with others. Outside of Systel, James spends the majority of his time with his family. He is a proud father of three beautiful daughters, and he also has two four-legged family members, his dog, Trouble, and his cat, Ralph. James enjoys taking his girls and dog on adventures through parks and nature trails to discover new places and things. A few of his other interests are classic cars, animals, nature, tropical and salt water fish, and comedies.
Ben InsleyBen Insley - Low Voltage Technician (
Ben has been working for Systel over the past 9 years, during which he has created very strong relationships with a multitude of clients. Over this time period, he has developed multiple professional skills including teamwork, leadership, efficiency, and project designing and planning. Though he has specialized in the low voltage field for the majority of this time, he has also gained experience in many other fields such as custom computer and server building, networking, fiber optics, high voltage electrical, camera security, and wireless internet. Outside of work, Ben’s interests reside in music, UGA Football (Go Dawgs!), time with friends, good food, great beer, outdoor activities, and motorized vehicles.
Ricky TerrellRicky Terrell Jr. - Low Voltage Technician (
Ricky has nearly 20 years of experience as a low-voltage technician working with access control, fiber optics, camera systems and networking. He has worked on large commercial projects as well as new construction. Driven to expand his skill set, he recently graduated with an Associate Degree in Information Technology. Outside of work, Ricky enjoys spending time with his wife and children; he has a ten-year-old daughter and two-year-old son. Even though he is the only male in class, he is dedicated to taking piano class alongside his beautiful daughter. Ricky also enjoys watching any kind of sport with his son, especially Georgia football.

David AlexanderDemetris Madden - Low Voltage Technician / Journeyman Electrician (
Demetris, aka D, was born and raised in Connecticut, but he has called Georgia home since moving here in 2007. He has been married for 7 years, and he has two beautiful daughters who he loves to spend his free time with. D and his wife also have two cats they call family, Ms. Pigglesworth and Chewy. In addition to being a full-fledged Dallas Cowboys fan, he also is a talented musician. He plays a total of six different instruments, the piano, acoustic and bass guitar, the trumpet, upright bass, and his favorite, the drums. In D's free time, he enjoys golfing, reading, spending quality time with his family, and putting time in at the studio. Fun fact: He has never been on a plane!