(USA) Principal Software Engineer
Walmart

Position Summary...

What you'll do...

Principal Software Engineer - Networking

About Team: Network Services DDI
Building the right technology foundation for Infrastructure & platforms is vital to success at the scale of Walmart. Our team builds and maintains the foundational technologies that support the tech organization. Included in this are data platforms, enterprise architecture, DevOps, cloud computing, and infrastructure. All of these products and services are supported by scalable and powerful infrastructure, ensuring a secure and seamless employee and customer experience across stores, digital channels, and distribution centers. At Walmart a line of code can change the way the world shops. With Walmart Global Tech, the Network Services DDI team drives competitive advantage by enhancing the customer journey, enabling business growth, and advancing operational excellence. The DDI team is accountable for the availability, stability and performance of Network Services including DNS and DHCP services. DDI services are exposed to systems in various locations such as Data Centers, Public Cloud, Stores, Distribution Centers and Home Office. Join our team of technologists and be on the forefront of a smarter future!

We want to talk to you if...

• You're excited about solving complex challenges
• You're passionate and thrilled to architect nextgen DNS/DHCP solutions and deploying them at scale.
• You're customer-centric in spirit and in execution
• You thrive on both leveraging and leading the way
• You like digging into data and doing some analysis (e.g. Splunk, Grafana and Wireshark).
• You're comfortable influencing others, leading teams, managing stakeholders, getting buy-in from leadership, and communicating clearly
• You have a test and learn mentality and an agile way of working to improve your team's product
• You have abundant professional experience with managing enterprise DNS Solutions like Infoblox as well as opensource alternatives like BIND, DNSdist, PowerDNS or Unbound.
• You contributed to architecture and design of progressive growing Infrastructure environment.
• You're familiar with Public Cloud solutions like Azure and GCP.
• You have Linux experience, TCP/IP protocols, subnet masking
• Scripting and programming language experience in Python
• You meticulously draw architecture flow diagrams (e.g. Visio, draw.io, Lucidchart)
• You have experience in programming and automation, develop self-servicing tools

How you'll do:

• Developing DNS strategy for NextGen DNS infrastructure, design and execute deployment at scale.
• Developing self-servicing tools and automate recurring work.
• Design and develop monitoring and visualization.
• Document all current and new implementations, train and mentor Sr and Jr DNS engineers.
• Identify requirements and develop system checks to be performed by others, focusing on the system health, performance, alerting and proactive maintenance .
• Identify potential risks and take initiative to improve system health and performance Identify requirements and develop method of procedures (MOP) for system level maintenance change activity, add respective MOPs to library for consistent implementation Identify requirements and develop training recommendations for the DDI Operations Team, other Walmart IT Technical Teams, etc.
• Act as a DDI Operations Subject Matter Expert (SME) for DDI Operations Team, internal Walmart business units or Site Reliability Engineer as escalation resource for troubleshooting DDI system problems, abnormalities or impact.
• Act as highest point of escalation for consultation on all matters regarding DDI space.

What you'll bring:

• Recent working experience as DDI Technical Lead.
• Over 12+ years senior-level experience supporting Production Infrastructure with hundreds of servers and thousands of users/clients.
• Experience supporting both internal and external DNS for large corporation. Desirable candidates have experience managing capacity demand for progressively growing environment and abundant experience migrating DDI services between different solutions.
• Proficient knowledge and understanding of various DDI solutions (e.g. Infoblox, BIND, PowerDNS)
• Willingness and drive to learn new technologies.
• Working experience with Python, Ansible, Terraform, REST API
• Ability to quickly understand complex system under pressure.
• The ideal candidate will have experience in automating DNS workflows: a subject matter expert that understands what DNS can and can't do.
• Working knowledge of ISC DHCP or ISC KEA.
• Demonstrated ability to communicate effectively at a variety of levels and across diverse cultures.
• Ability to lead engineers through completion of build projects, maintenance tasks and troubleshooting sessions
• Ability to evaluate and deploy new DDI products which include open source DDI solutions.
• Very effective at managing time accordingly despite competing objectives.
• Kubernetes training or certifications a plus.
• IPv6 training or certifications. Experience with IPv6 a plus.
• Experience or training with MySQL, MariaDB a plus.
• Familiarity with load balancing methodology
• Experience with server hardening and PCI-compliance.

About Walmart Global Tech
From entry-level to executive positions, Walmart provides limitless opportunities for growth, and career development. Walmart started small, with a single discount store and the simple philosophy of selling more for less. Today, we are a growing technology-enabled company founded on the same values as our first store. We establish clear expectations, empower associates to manage their work, and hold ourselves and one another to a high standard. Walmart's scale enables us to have an. No other company has the reach of Walmart, with 2.3 million associates worldwide and over 230 million weekly customers. Walmart is reshaping retail by investing in an expanding workforce. While technology is at the heart of our digital transformation, people are the reason we succeed and the force behind our innovations. We train our team in the skillsets of the future and bring in experts like you to help us grow.

Flexible, hybrid work
We use a hybrid way of working that is primarily virtual, while remaining near the locations Global Tech calls home. This approach helps us make quicker decisions, remove location barriers across our global team, be more flexible in our personal lives and spend less time commuting. Of course, being together in person is an important part of our culture and shared success. We use our campuses to collaborate and be together in person, as business needs require and for development and networking opportunities.

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 diversity- unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.

#Riddle

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and5 years' experience in software engineering or related area.
Option 2: 7 years' experience in software engineering or related area.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Master's degree in Computer Science or related field and 4 years' experience in software engineering or related field

Primary Location...
600 WEST CALIFORNIA AVENUE, SUNNYVALE, CA 94086-2486, United States of America

This job has expired.