IT Support For Kenosha, Racine and Lake Counties

About Absolute Computer Systems


Years of Excellence in IT and Cybersecurity Protection
Person using a laptop looking at locations

Kenosha's Premier IT and Cybersecurity Experts

Welcome to Absolute Computer Systems, your trusted partner for comprehensive cybersecurity, IT services, and computer repair in Kenosha, WI.


For over three decades, we have been dedicated to providing local, professional network tech support for businesses in Kenosha, Racine, and Lake County.


Our mission is to ensure the security, stability, and efficiency of your IT systems, allowing your business to thrive without the stress of technical issues.


We pride ourselves on our hands-on approach, treating each client's needs with the utmost importance.


Our team of highly skilled professionals is committed to delivering top-notch service, whether it's proactive onsite/remote tech support, cybersecurity measures, IT compliance, or cloud services.


We believe in building strong, long-term relationships with our clients, based on trust, communication, and personalized support tailored to meet your unique needs. Join us, and meet a partner who listens, understands, and delivers.


Tom Tassi

Thomas Tassi


Tom’s journey began at 17 in the US Navy, where he rose to Chief Petty Officer. After a distinguished career, he founded Absolute Computer Systems in 1995. Tom is dedicated to providing top-notch IT support and cybersecurity services to local businesses, focusing on security, stability, and speed. His extensive experience in managing complex projects and pioneering ‘paperless classrooms’ has been instrumental in shaping the company’s approach to IT solutions.
Outside of work, Tom enjoys buying abandoned storage units and staying informed through podcasts. He is committed to his family’s growth and his clients’ protection. Tom’s philosophy of ‘IT Related Frustration Elimination’ drives him to listen carefully to clients’ needs, ensuring a tailored and responsive service experience.

Wade B.

Lead Network Engineer

Don K.

Senior Technician

Don is a Kenosha native with a degree in computer science and mathematics. With 20 years in IT and 16 years at Absolute, he excels in troubleshooting and system repairs. Don’s primary responsibilities include managing system updates and configurations, both on-site and remotely, ensuring smooth and efficient operations for clients.
Outside of work, Don enjoys playing Magic: The Gathering and participating in the Bristol Renaissance Faire. He values a strong work ethic and humor to build client rapport. Don’s dedication to staying current with industry trends and his knack for creative problem-solving make him a vital asset to the team.

Jason B.

Technician/Cybersecurity Professional

Jason, originally from West Palm Beach, FL, has a rich background in IT from his Navy training. He focuses on cybersecurity assessments and IT repairs, bringing a wealth of knowledge and experience to the team. Jason’s key contributions include rolling out third-party security assessments and managing the onboarding process for new clients.
In his free time, Jason enjoys coding, building models, and spending time with his daughters. His hobbies enhance his professional expertise, and his strong work ethic ensures thorough follow-ups with clients. Jason is dedicated to maintaining client security and continuous professional growth.

Griffen M.

Our Resident RADAR O'Reilly

Griffin, originally from Waukegan, IL, has called Kenosha, WI, home for the past decade. While he might not have formal academic training, his on-the-job experience at Absolute Computer Systems has been nothing short of a rigorous IT boot camp. Starting his IT journey here, Griffin has about 12 months of experience under his belt and was one of the first apprentices in a local collaboration between the Department of Workforce Development and Gateway Technical College.

As a Technician, Griffin juggles network-based reporting and PCI compliance while tackling troubleshooting and repair tasks, both on-site and in the shop. He enjoys the daily challenges and the constant learning curve, finding great satisfaction in making things work again. Griffin’s achievements might be more on the esoteric side, but his passion for problem-solving and his knack for learning something new every day make him a vital part of the team.

Outside of work, Griffin brings his tech-savvy skills home, much like a mechanic tinkers with cars. He enjoys upgrading his own and his friends’ gaming computers and often finds himself troubleshooting home networks for family and friends. When he’s not being the neighborhood IT hero, Griffin spends his time hanging out with friends or playing card games with his brother. His journey at Absolute Computer Systems is just beginning, but it’s clear that he’s already making a significant impact with his enthusiasm and dedication.

Janet F.

Master of all things Office manager related

Janet, our dedicated office admin, brings a strong background in chemistry and mathematics from Pleasant Prairie, WI. With three years at Absolute Computer Systems, she expertly manages customer relations, billing, accounting, and account management. Known for her problem-solving skills and team spirit, Janet continuously strives to excel and remains open to learning new skills, ensuring a positive and efficient workplace.

Outside of work, Janet enjoys traveling and dining, reflecting her zest for life. Her commitment to doing the best job possible and maintaining a positive attitude are evident in her daily interactions. By spending quality time with clients, she builds strong, lasting relationships and is a dependable problem solver for both clients and colleagues, enhancing the overall service quality of Absolute Computer Systems.

Janet’s professional aspirations include ongoing growth and skill development. She plans to utilize downtime to take on new roles and responsibilities, contributing further to the company’s success. Her dedication, eagerness to learn, and exceptional work ethic make Janet an invaluable member of our team.


McKenna W.

Marketing Specialist

McKenna, from Twin Lakes, WI, holds a Bachelor’s in Human Resource Management. As a Marketing Specialist since March, she manages social media and customer relations, bringing fresh energy and ideas to the team. McKenna’s role involves nurturing relationships with existing customers and exploring new marketing strategies.
McKenna enjoys an active lifestyle, spending her free time playing pickleball, running, and relaxing with her cat. Her passion for fashion, love for nacho cheese, and fondness for Netflix add a unique personal touch to her personality. McKenna is passionate about marketing and committed to continuous growth at Absolute.