Jennings Computer Systems, Inc.

Company Mission : To provide quality training and consulting for networking operating systems and related products including Microsoft NT/Windows 2000/Exchange, Juniper Netscreen Firewalls,  Checkpoint Firewalls and Novell NetWare. Call for customized MCSE bootcamps designed especially for your employees, so that they get certified quickly but with an emphasis on real-world implementation and hands-on experience. 

For up-to-date certifications and resume information, click here:

Garrett Jennings, MCT, MCSE, JNCI, JNCIA-FW, CNI, CNE, CCSE, CCSI; President of JCSI

Certified Novell Instructor and Engineer Certified Check Point Security Instructor and Engineer

Telephone and Voice Mail: 847-612-4295

Fax: 847-818-9835


Address: 126 E. Wing St., Suite 207, Arlington Hts., IL 60004