Showtime Consulting Pty Ltd in Sydney seeks an experienced Tech Lead Engineer (Network) to lead operation, integration, and evolution of a large IP/MPLS network. You will design, implement, and support carrier-grade networks in high-availability environments. The role requires deep IP/MPLS expertise, robust troubleshooting, and the ability to guide other engineers during complex migrations and live changes. Join a team delivering ultra-secure cloud and defence-grade solutions.