Sr. Network Developer

Warner Bros Discovery Warner Bros Discovery · Media · Kanata, ON +1 · Technology

Warner Bros. Discovery is seeking a Sr. Network Developer to join their Global Device Operations team. This role involves designing, building, and managing large-scale device farms in global data centers, focusing on network and infrastructure performance, security, and scalability. The candidate will lead the design and execution of complex data center networks, integrate overlay technologies, and develop network automation. Responsibilities include mentoring engineers, setting design standards, and collaborating with various stakeholders.

What you'd actually do

  1. architecting and automating scalable network systems in hybrid and on-prem environments
  2. lead the design and execution of complex data center networks, integrate modern overlay technologies, and develop network automation
  3. engage with various stakeholders across engineering, dev teams, corporate IT, and enterprise infrastructure to ensure consistent, high-performance network operations
  4. mentoring engineers, setting design standards, and representing network engineering across the org
  5. integrate telemetry and debugging tools into your workflows and improve visibility across the stack

Skills

Required

  • 8+ years of experience in network engineering, with a strong focus on data center architecture, operations, and automation
  • Expert-level knowledge of: Layer 2 protocols (STP, VLANs), routing protocols (OSPF, BGP, EIGRP), overlay networks and control planes (EVPN, VXLAN), tunnel technologies (IPSec, GRE, L2TP)
  • Experience with Cisco (NXOS, ACI, IOS XE), Arista EOS, Mikrotik ROS, HPE and Cisco UCS server platforms, NetBox, tcpdump, Wireshark, traceroute, EP-tracker, Ansible, Terraform, Python scripting, Infoblox, Fibre Channel SANs, Aruba/Mikrotik wireless tech, Hyper-V, ESXi, AWS, GCP, Azure
  • Demonstrated experience with network migrations, multi-vendor environments, and automation-first initiatives
  • Strong technical documentation skills and ability to represent network engineering in cross-functional discussions
  • One or more advanced networking certifications such as Cisco CCNP/CCIE, Arista ACE, JNCIE or equivalent

What the JD emphasized

  • deep subject-matter expertise in data center networking
  • led the design and operation of production networks at scale
  • design straightforward, scalable solutions for complex technical problems using modern best practices in Layer 2/3, tunneling, overlay networks, and infrastructure as code
  • delivered multiple stable, scalable, and highly available infrastructure solutions that have powered real-world, mission-critical systems
  • designing and managing systems that support thousands of endpoints and services
  • your work is clean, documented, and durable
  • mentor engineers and collaborate across teams
  • participate in technical design discussions, influence architectural decisions, and help shape our long-term strategy
  • bring others with you by simplifying complexity and teaching along the way
  • effective communicator across engineering, ops, and product teams
  • translate technical details into business context when needed, and vice versa
  • documentation and architecture diagrams are clear, thorough, and accessible