Ratko has been in the networking industry for more than 15 years, focusing for the last few years on network security, Cisco Data Center product portfolio and Network Service Virtualization (NSO) technologies. Working on a number of projects for both large enterprises and service providers, Ratko has gained a broad overview of various network technologies and earned a number of different certifications. In addition to his everyday work in designing and implementing networks, he spends a significant amount of time working as a Cisco Certified Systems Instructor (CCSI), delivering advanced-level training to students around the world. Ratko won Quality Instructor Award at Cisco Global Learning Partner Conference 2014.
- Certified Cisco Systems Instructor #32208
- Cisco Certified Network Professional Data Center
- Cisco Data Center Unified Computing Design Specialist
- Cisco Data Center Unified Fabric Design Specialist
- Cisco Unified Computing Technology Design Specialist
- VMware Certified Professional 5 - Data Center Virtualization