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Staff Network Engineer

Walmart


Location:
SUNNYVALE, CA
Date:
05/26/2017
Job Code:
890293
Walmart
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Job Details

JobId: 890293
JobTitle: Staff Network Engineer
City: SUNNYVALE
State: CA
Description:

Division Summary

@WalmartLabs is the technical powerhouse behind Walmart Global eCommerce. We employ big data at scale -- from machine learning, data mining and optimization algorithms, to modeling and analyzing massive flows of data from online, social, mobile and offline commerce. We don’t just engineer cool websites, mobile apps, and new services; we use our own open source tools to create the framework. Deployment is automated and accelerated through our open cloud platform. This makes us incredibly nimble and able to adjust in real-time to our global customers.


Department Summary

The Global Technical Operations team builds and runs the infrastructure for one of the largest 24/7 e-commerce operations in the world. Our engineers take great pride in their ownership of the systems, databases, networks, and the NOC that keeps the heart of Walmart Global eCommerce beating.  With billions of customers, we're here to ensure seamless performance at global scale.  Whether there's an unexpected spike in performance due to site visits or new builds and releases, we bring solutions to complex challenges.


Position Summary


  • Develops technical Network Infrastructure solutions to meet Customer needs


  • Maintains and improves network stability by upgrading existing network infrastructure


  • Strong experience in build and supporting multi Data center network infrastructure


  • Provide troubleshooting support for complex enterprise network environments


  • Participate in an after-hours on-call rotation with team


  • Participate in war rooms for critical site issues


  • Collaborate cross functional teams of Network and Security Architects, Server and Platform Engineers, and Data Center Operations


  • Knowledge of Agile and Scrum methodologies


  • Create the SOP’s for day to day repeatable work


Position Description


  • Develops technical Network Infrastructure solutions to meet Customer needs


  • Maintains and improves network stability by upgrading existing network infrastructure


  • Strong experience in build and supporting multi Data center network infrastructure


  • Provide troubleshooting support for complex enterprise network environments


  • Participate in an after-hours on-call rotation with team


  • Participate in war rooms for critical site issues


  • Collaborate cross functional teams of Network and Security Architects, Server and Platform Engineers, and Data Center Operations


  • Knowledge of Agile and Scrum methodologies


  • Create the SOP’s for day to day repeatable work


Minimum Qualifications


  • Bachelor’s Degree in Networking, CS, InfoSec or similar field of study and 8+ years networking industry experience OR MS degree and 5+ yrs of network eng exp


  • Routing & Switching architecture, design of large scale networks
    In depth knowledge of layer 4 – 7 troubleshooting (from a networking perspective…i.e. when an app can’t connect)


  • Highly proficient and have extensive experience with IPSEC, IGP, MPLS, BGP, IPVPN, and TPC/IP technologies


  • Strong experience with Load Balancers, network services, monitoring and diagnostic tools


  • Ability to diagnose complex network problems and find the root cause


Additional Preferred Qualifications


  • Cisco Certifications such as CCNP and CCIE or similar certifications in areas related to network virtualization or internetworking solutions also a plus


  • Understanding of SDN – full stack engineering (compute, storage, network)


  • Familiarity with one or more of the following: Azure, Amazon Web Services, Rackspace, Openstack, datacenters, telecom circuits, or any other public or private cloud environment


  • Working knowledge of a scripting language like Python or Ruby


Company Summary

Walmart Global eCommerce is comprised of Walmart.com, VUDU, SamsClub.com, and our technical powerhouse @WalmartLabs. Here, innovators incubate next gen e-commerce solutions in real-time. We integrate online, physical, and mobile shopping experiences for billions of customers around the globe. How do we do it? We continuously build and invest in new technology including open source tools and big data innovations. Data scientists, front and back-end engineers, product managers, and web and UX/UI teams collaborate alongside e-commerce experts to envision, prototype, and bring revolutionary ideas to life in a dynamic, flexible and fun work culture.


Req ID:

825700BR



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