Principal, Software Engineer

Principal Engineer

As a Principal Engineer, you will play an important role in shaping the technical direction and running Walmart Global WAN and Backbone network. Global WAN team is responsible for designing and deploying Backbone and WAN network that connects all of Walmart's PoPs, Data Centers, Retail Stores, Distribution Centers and Home offices. You will collaborate closely with multiple teams such as network architecture, Data Center Networks, Edge Networks, and most importantly across the whole of the network engineering and operations team. You will drive innovation and help produce elegant and scalable network solutions. As a Fortune #1 company, our work impacts millions of associates globally. We strive to continuously improve technology and products to help managers and associates so they can focus on what matters most - supporting our customers and members.

About the Global Technology Network Engineering and Operations Team:

The Principal Network Engineer will report to the Senior Director of Network Engineering and Operations. The Global WAN team is part of the Network Engineering and Operations (NEO) organization. The NEO team is primarily responsible for the engineering and operations of Walmart's network environments. Within Global Tech, we support and are supported by talented teams specializing in the architecture of our wired, wireless, data center networking, and interconnection.

What you'll do:

• Architect and lead the design of high-performance, scalable WAN and backbone networks.
• Develop long-term strategy and roadmap for backbone infrastructure, considering future traffic growth, emerging technologies, and evolving business needs.
• Participate in on-call rotation to troubleshoot and resolve complex network challenges across multi-vendor and hybrid environments.
• Assist with large scale proof of concepts from conception to deployment from an engineering and operations perspective.
• Collaborate with internal stakeholders, including Cloud, Security, and Infrastructure teams, to align network strategies with business objectives.
• Mentor and lead a team of network engineers, fostering a culture of technical excellence and innovation.
• Communicate complex technical concepts effectively to both technical and non-technical stakeholders on specific product areas.
• Document architectural decisions, design patterns, policies, and best practices to facilitate knowledge sharing across the broader organization

What you'll bring:

• 8+ years of experience in network architecture, network engineering, and network operations.
• Experience with large scale networks such as in a SaaS, ISP, or cloud provider network
• Expertise in routing protocols (BGP, OSPF, IS-IS), MPLS, Segment Routing, SD-WAN, and EVPN/VXLAN.
• Knowledge of optical transport technologies, including DWDM and coherent optics.
• Experience with IPv6, Internet Peering, DDoS mitigation techniques, RPKI, and Multicast is a major plus.
• Experience with network automation using Python, Ansible, or equivalent scripting languages.
• Experience with network modeling and data modeling techniques.
• Strong skills in both verbal and written communications, equally adept in communicating in all directions.
• Strong system architecture, problem solving, and data-driven decision-making skills.
• Proven experience with project delivery for large, mission-critical, cross-functional projects.
• Experience with network observability, monitoring, and DevOps.
• Advanced certifications such as CCIE, JNCIE, or equivalent is a plus.

About Walmart Global Tech

Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity experts and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Walmart's culture is a competitive advantage, and it's fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.

Our hubs: Walmart is a global company with offices across the United States and around the world. Our global headquarters is in Bentonville, Arkansas, with primary hubs in the San Francisco Bay area and New York/New Jersey.

Benefits: Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more. Equal Opportunity Employer: Walmart, Inc. is an Equal Opportunity Employer By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing unique styles, experiences, identities, ideas, and opinions while being inclusive of all people.

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.

Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.

Minimum Qualifications: Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years' experience in software engineering or related area. Option 2: 7 years' experience in software engineering or related area.

Preferred Qualifications: Master's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area. We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart's accessibility standards and guidelines for supporting an inclusive culture.

Primary Location: 2245 Monroe St, Herndon, VA 20171, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.