Junos CLI; TCP/IP, MPLS, OSPF, IS-IS, BGP, MPLS-TE, RSVP, LDP, IPv6, routing policy, L3VPN, VPLS, MVPN, Ethernet/802.1Q, QoS/CoS; Ansible, YAML, PyEZ and Python. Test new designs, features, Junos releases, patches and fixes in the laboratory; develop implementation and verification plans for pre-production and live networks.