Randstad Canada is seeking an experienced Senior Technology Architect to lead design, deployment, and operation of enterprise LAN/WAN systems in a 7-month onsite assignment in North York. You will drive SD-WAN, Palo Alto firewalls, QoS, and automation with Ansible/Jenkins, collaborating with security and network teams to ensure 24x7 availability. This role requires deep routing and security experience, with hands-on deployment, migration, and ongoing optimization across complex enterprise