Senior Network Engineer

At Index Exchange, we’re reinventing how digital advertising works—at scale. As a global advertising supply-side platform, we empower the world’s leading media owners and marketers to thrive in a programmatic, privacy-first ecosystem. We’re a proud industry pioneer with over 20 years of experience accelerating the ad technology evolution. Our proprietary tech is trusted by some of the world’s largest brands and media owners and plays a crucial role in keeping the internet open, accessible, and largely free. We process more than 550 billion real-time auctions every day (in comparison, Google processes 8.5 billion searches per day) with ultra-low latency. Our platform is vertically integrated from servers to networks and runs primarily on our own metal and cloud infrastructure. This end-to-end infrastructure is designed to provide both stability and agility, enabling us to adapt quickly as the market evolves. At the core of it all is our engineering-first culture. Our engineers tackle internet-scale problems across tight-knit, global teams. From moving petabytes of data and optimizing with AI to making real-time infrastructure decisions, Indexers have the agency and influence to shape the future of advertising. We move fast, build thoughtfully, and stay grounded in our core values. About The Role: We are seeking a Senior Network Engineer with a proven track record to further the development of our next-generation network architectures. This role will entail deploying and operating advanced networking solutions with a strong emphasis on high availability, low-latency, and security measures. This position reports directly to the Engineering Lead Manager, Networking based in Canada and will work closely with members of the Technical Operations team. Here’s What You’ll be Doing: Network troubleshooting to isolate and diagnose network problems Analyzing business requirements to develop technical network solutions and their framework Developing implementation plans, test plans and project timelines for various projects Working with technology vendors Staying abreast of how technology infrastructures are currently impacting and driving competitors Writing function requirements/specifications documents Enhancing operational efficiency and quality by implementing network automation practices to streamline processes. Solving complex problems with many variables Participating in a 24x7 on-call rotation to provide timely response and resolution to network incidents and emergencies Here's What You Need: 8-10+ years’ experience in network design, operations, and support Exceptional written and verbal communication skills Demonstrated expertise in many of the following protocols and technologies: TCP/IP, BGP, IPv6, QoS, Netflow, EVPN, VXLAN, DMVPN, GRE. Stong expertise in Routing, Switching, Enterprise, and Data Center networking with Cisco (NXOS, IOS-XE, and IOS-XR) and Arista (EOS) platforms. Experience with Arista’s AVD and CVP is a plus. Experience with L4-L7 load balancing solutions, such as Netscalers and HAProxy, Nginx. Expertise with Cisco security solutions (ASA, FirePower, Anyconnect), as well as other security vendors such as Palo Alto or Fortinet, demonstrating an understanding of network security principles and technologies. Familiarity with network automation using tools such as Ansible, Python, and Nornir to support network provisioning, configuration management, and troubleshooting. Understanding of Kubernetes networking concepts and Container Network Interface (CNI) standards. Networking certifications such as Cisco Certified (CCIE, CCNP) in at least one of the following is a plus: Data Centre, Enterprise, Security, DevNet. Knowledge of Linux and scripting Why You’ll Love Working Here: Comprehensive health, dental, and vision plans for you and your dependents  Paid time off, health days, and personal obligation days plus flexible work schedules  Competitive retirement matching plans  Equity packages  Company contribution to Provident Fund Monthly internet stipend Generous parental leave available to birthing, non-birthing, and adoptive parents  Annual well-being allowance plus fitness discounts and group wellness activities Employee assistance program  Mental health first aid program that provides an in-the-moment point of contact and reassurance  One day of volunteer time off per year and a donation-matching program  Bi-weekly town halls and regular community-led team events  Multiple resources and programming to support continuous learning A workplace that supports a diverse, equitable, and inclusive environment – learn more here Equal employment opportunity At Index Exchange, we believe that successful products are built by teams just as diverse as the audience who uses them. As such, we are committed to equal employment opportunities. We celebrate diversity of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, or veteran status. Additionally, we realize that diversity is deeper than any status or classification—diversity is the human experience. For those who show grit, passion, and humility—Index will welcome you. Accessibility for applicants with disabilities Index Exchange welcomes and encourages individuals with disabilities to apply to work with us.  If you require an accommodation, please share the details of your request and any information how we can assist you with the hiring recruiter when they contact you. Index Exchange will make reasonable efforts to ensure accommodation requests are met throughout the recruitment process. Index Everywhere, Index Anywhere Our corporate headquarters are in Toronto, with major offices in New York, Montreal, Kitchener, London, San Francisco, and many other global cities. As a major global advertising exchange, we are committed to operating as a tightly knit global team and embracing and empowering talent wherever our colleagues may be. #LI-REMOTE #LI-AS2