Sr. Network Engineer

It takes powerful technology to connect our brands and partners with an audience of hundreds of millions of people. Whether you’re looking to write mobile app code, engineer the servers behind our massive ad tech stacks, or develop algorithms to help us process trillions of data points a day, what you do here will have a huge impact on our business—and the world.

Yahoo is a global media and tech company that connects people to their passions. We reach nearly 900M people around the world, bringing them closer to what they love—from finance and sports, to shopping, gaming and news—with the trusted products, content and tech that fuel their day. For partners, we provide a full-stack platform for businesses to amplify growth and drive more meaningful connections across advertising, search and media.

About the Team

Yahoo’s Global Network Infrastructure team (GNIS) is responsible for the core Network Infrastructure and shared services required to support all Yahoo services globally, including our CDN, Sports, News, Finance and Weather media channels, advertising engines, video and search.  

We design and build scalable, high-performance networks, provide long-term storage strategy and automation, manage global name resolution and routing, provide capacity and performance consultation for Yahoo properties, manage Yahoo-wide UNIX distributions & components and connectivity to large scale public cloud providers.   

About the Role

Yahoo’s Network team is looking for a technical engineer to build and maintain its global infrastructure.  This person will work with internal and external customers to gather requirements, provide guidance and network support. This position requires a highly technical person that has a deep understanding of network protocols, security,  good operational experience and the ability to isolate, analyze and resolve issues. 

Skills/Knowledge/Abilities:

•  7+ years of experience

• Experience with large scale global network (production, backbone and corporate) environments.

• Experience managing enterprise LAN/WAN, wireless, authentication, and VPN infrastructures

• Knowledge of current networking systems including routers, switches, firewalls, VPNs, load-balancers and all IP-based protocols

• Expert level experience with Juniper, Cisco and Ciena required

• Strong knowledge in TCP/IP, L2/L3 protocols, LAN, Spanning-tree, WAN, Metro, IPv4, IPv6, BGP, ISIS, OSPF, MPLS, QoS/CoS, MACSec

• Strong hands on knowledge and experience in layer 1 - Fiber Optic, OTDR, BERT, WDM, ROADM, etc

• Experience with network testing equipment and software, e.g., layer-1 switches (e.g. Calient), IXIA, Spirent, iTest, Velocity, etc

• Strong working knowledge of all OSI Layers focusing on the network stack - TCP/IP, HTTP, DNS, MPLS-TE, VXLAN/EVPN, and Anycast concepts

• Experience writing automation code in at least one of the following: Python, Perl, Javascript, JS/web frameworks and XML+xpath

• Knowledge of source code management systems, version control tools and developing web services

• Excellent communication and network diagramming and network documentation knowledge required

• Create the SOP's and automate repeatable operational work

Responsibilities:

• Provide consulting and guidance for all new Yahoo applications and/or projects that affect network resources and provide consulting on existing application deployments 

• Design, Document, and Support end-to-end networking solutions to support global deployment of Yahoo services including Global backbone—WAN, Metro, Data Center—LAN

• Provide training and implementation guidance on newly introduced technologies, designs, and equipment.

• Hands-on evaluation and testing of new platforms for Yahoo networking including development of test plans for current and next generation platforms, work closely with a team of test engineers through test cycles, and partner with industry vendors on next generation platforms that will meet Yahoo’s needs in the future platform selection.

• Continued support for all Yahoo technology, design, and platforms

• Contribute to automation framework for network configuration and troubleshooting

• Use  internal tooling and networking knowledge to diagnose problems on the network and work toward remediation.

• Operates at  a Tier3 support level taking incidents from the Network OC and  SRE Teams and sees them through to completion.

Yahoo is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. Yahoo is dedicated to providing an accessible environment for all candidates during the application process and for employees during their employment. If you need accessibility assistance and/or a reasonable accommodation due to a disability, please submit a request via the Accommodation Request Form (

) or call . Requests and calls received for non-disability related issues, such as following up on an application, will not receive a response.

Yahoo has a high degree of flexibility around employee location and hybrid working. In fact, our flexible-hybrid approach to work is one of the things our employees rave about. Most roles don’t require specific regular patterns of in-person office attendance. If you join Yahoo, you may be asked to attend (or travel to attend) on-site work sessions, team-building, or other in-person events. When these occur, you’ll be given notice to make arrangements. 

If you’re curious about how this factors into this role, please discuss with the recruiter.

Currently work for Yahoo? Please apply on our internal career site.