Certified in January 2012. The City of Jacksonville security estate ran Juniper firewalls at this point — design, rule set, changes and upgrades — alongside Cisco ASA platforms serving the library system and the Clerk of Court data centre.
A second vendor track, twelve years into holding a CCIE, is a deliberate choice: multi-vendor estates are the normal case in government, and a design language that only works on one vendor’s equipment is not an architecture.