I am a computer engineer specialist in network and system engineering. I have experience of more than 11 years in designing, configuring, and managing computer network and systems.  I work as a consult engineer for many local and international companies in network engineer. I have experience in Windows and Linux administration, web server and network administration with Cisco, Mikrotik, ubuquiti, OPNsense and Juniper devices. I work on OPNsense firewall since 5 years. I hope to share others my experience via online training course. I get IT certifications such as: CompTIA A+, Microsoft Certified Systems Engineer (MCSE), Cisco Certified Network Associate (CCNA), and Cisco Certified Academy Instructor (CCNA),