Senior Linux Systems Engineer

7 days ago

Bentonville, Arkansas, United States Walmart Full time
About the Role

We are seeking a highly skilled Senior Linux Systems Engineer to join our team at Walmart Global Tech. As a key member of our Hardware Stability Team, you will be responsible for designing, developing, and implementing infrastructure monitoring and reporting for Linux installations at our scale.

Key Responsibilities:

  • Install, configure, and maintain Linux installations on ~180k NextGen POS registers in our stores.
  • Design, develop, and implement infrastructure monitoring and reporting for Linux installations at our scale.
  • Build and maintain the CI/CD deployment pipeline used for OS installs, patching, device firmware, etc.
  • Solve business needs with technology by evaluating different technology options and vendor products.
  • Be a valued member of a highly effective DevOps team; provide mentoring for junior members of the team and set the ideal example to follow.
  • Create and maintain technical documentation for operational readiness.
  • Develop, configure, tune, troubleshoot and document capabilities and services.
  • Create and maintain security best practices.
  • Engage with our suppliers and Open-source communities to drive product features and roadmaps.

Requirements:

  • Broad and deep working knowledge of Linux Operating Systems (CentOS, Ubuntu, SLES, etc.) and OS internals.
  • Capable of deep technical conversations with network and server teams to drive architectural decisions.
  • Strong knowledge of networking technologies such as VPN, DNS, load balancing, and firewalls.
  • 5+ years hands-on experience building, administrating, troubleshooting Linux systems in a highly distributed environment.
  • Demonstrable experience with scripting languages such as Python, Perl, and Bash.
  • Demonstrate experience with the Software Development Lifecycle and associated tools for source code management like Git and build systems like Jenkins.
  • Hands-on experience with containerization and knowledge of Kubernetes.
  • Hands-on experience developing solutions with Infrastructure as a Service and Configuration management tools like Ansible, OpenStack, Chef, Puppet, etc.
  • Experience with the Tanium Client Management software and related modules used to deploy and manage software across endpoint devices.
  • Experience with private cloud infrastructure.
  • Experience with application containerization technologies a plus (FlatPak, SNAP, etc.).

What We Offer:

  • Competitive pay as well as performance-based bonus awards.
  • 401(k), stock purchase, and company-paid life insurance.
  • PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting.
  • Short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

Why Join Us:

We are 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.

We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose, and deliver on business needs.

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