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Principal Software Engineer - SDN/LB (Remote available)

Walmart


Location:
Sunnyvale, CA 94086
Date:
02/01/2018
2018-02-012018-03-04
Walmart
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Job Details

913477BRReq ID:913477BRCompany 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.Job Title:Principal Software Engineer - SDN/LB (Remote available)Position Summary:This is a senior level position on the Torbit team, which is building a next generation software load balancing (SLB) and global server load balancing (GSLB) solution for Walmarts private OpenStack and public cloud platforms. The Torbit team is always looking to push the limits of technology and looking to build cutting edge software defined networking (SDN) and network functions virtualization solutions for Walmarts cloud platforms.



The core focus of this position is to develop and implement new innovative software solutions, which scale significantly with business demand and enhance Walmarts cloud platforms. The goal for this role is to architect, build, and maintain SDN and load balancing solutions across private and public cloud services, with responsibilities including:

1. Work directly on the Torbit team to develop end-to-end software solutions to move away from physical appliances

2. Innovate, develop, and build hybrid cloud service mesh solutions utilizing SDN and load balancing capabilities for optimized application delivery

3. Come up with innovative ideas to improve performance, scalability, reliability, and uptime

4. Deliver highly scalable and reliable production ready code

5. Design, develop, and operate code across multiple production systems

6. Evaluate and implement SDN and NFV solutions

7. Use agile methodologies for rapid software development

8. Leverage and implement CI/CD pipelines for software delivery



*Depending on candidate, position can also be based in Washington DC/Reston or remote*City:SUNNYVALEState:CAPosition Description:This is a senior level position on the Torbit team, which is building a next generation software load balancing (SLB) and global server load balancing (GSLB) solution for Walmarts private OpenStack and public cloud platforms. The Torbit team is always looking to push the limits of technology and looking to build cutting edge software defined networking (SDN) and network functions virtualization solutions for Walmarts cloud platforms.



The core focus of this position is to develop and implement new innovative software solutions, which scale significantly with business demand and enhance Walmarts cloud platforms. The goal for this role is to architect, build, and maintain SDN and load balancing solutions across private and public cloud services, with responsibilities including:

1. Work directly on the Torbit team to develop end-to-end software solutions to move away from physical appliances

2. Innovate, develop, and build hybrid cloud service mesh solutions utilizing SDN and load balancing capabilities for optimized application delivery

3. Come up with innovative ideas to improve performance, scalability, reliability, and uptime

4. Deliver highly scalable and reliable production ready code

5. Design, develop, and operate code across multiple production systems

6. Evaluate and implement SDN and NFV solutions

7. Use agile methodologies for rapid software development

8. Leverage and implement CI/CD pipelines for software delivery



*Depending on candidate, position can also be based in Washington DC/Reston or remote*

#LI-WW1Minimum Qualifications:1. At least 6 years of software development experience

2. Proficient in C, C++, Python or Go (Golang) programming languages

3. In depth knowledge of load balancing, networking, DNS, TCP/IP, and UDP

4. Deployment and operational expertise in Linux, such as RedHat / Ubuntu

5. Experience and knowledge with cloud platforms (OpenStack / public cloud)

6. Familiarity and experience working with large scale infrastructures, and being able to explain reasons for specific design decisions

7. Development experience in writing networking or load balancing software

8. Strong analytical and problem solving skills

9. Willingness to support code in production and be a point of escalation to resolve issuesAdditional Preferred Qualifications:1. Strong presentation and communication skills, including giving product/code demonstrations

2. Recent and relevant experience with OpenStack, such as Nova, Neutron, Cinder, Glance, Swift, Heat, Ironic, and Octavia

3. Experience with Kubernetes and containers

4. Experience in numerous programming languages

5. Knowledge or experience in content delivery networks (CDN)

6. Experience with routing protocols and projects, such as Quagga, GoBGP, ExaBGP, or BIRD

7. Familiarity with SDN projects, such as Project Calico, Open Daylight, Contrail, Nuage VSP, VMware NSX, FD.io, and Open Virtual Network (OVN)

8. Experience with service mesh technologies, such as Linkerd, Envoy, Istio, and Cilium

9. History and experience contributing to open source projects is a huge plusCategory:Software Development and Engineering Division:Global eCommerceEmployment Type:Full TimeRequisition Template:eCommerce Department Summary:Walmart's Global Cloud Platform team helps thousands of developers save time and code better, so that millions of Walmart associates can help hundreds of millions of customers save money and live better. We sustain millions of transactions per second, process petabytes of data, and enable tens of thousands of production deployments per day. We simplify the complexities of scale and unify software development for all aspects of the business, digital and physical.
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