Senior DevOps Engineer

Senior DevOps Engineer

What you'll do at

At Walmart Labs we’re reinventing the world’s leading retail platform, leveraging our unique strengths to deliver the best customer experience wherever our customers shop. Imagine an environment where one line of code, one experiment, or one idea has the power to catapult an entire industry towards a smarter future. Better yet, imagine if that power could be yours, every day. That’s what we do at Walmart Labs.

While we are tech-empowered, we are people-led. We’re a team of 4,000+ software engineers, data scientists, designers and product managers within Walmart and across the world, delivering innovations that transform how our customers shop and how our enterprise operates. Our technologists solve some of the most complex problems at Walmart, building solutions that impact hundreds of millions of people for the world’s largest retailer.

As a Senior Software Engineer (DevOps), you will have the opportunity to work closely with our data scientists, business partners and systems engineers to drive the definition and implementation of the next generation of applications and analytics tools for our predictive intelligence platform. The ideal candidate must be able to wear multiple hats (SysEng, NetEng, DBA, Dev, etc.), must be detail oriented, have superior verbal and written communication skills, strong organizational skills, able to juggle multiple tasks at once, able to work independently and can maintain professionalism under pressure. You must be able to identify problems before they happen with various monitoring and logging solutions to detect and prevent outages. You must be able to accurately prioritize projects, make sound judgments, work to improve the customer experience, and get the right things done.

What You'll Do:

• Assist in designing, transitioning and deploying of applications to various clouds
• Develop tools and framework to improve operational efficiency and anomaly detection
• Design and operate the environment to test application resiliency to infrastructure instabilities
• Responsible for application configurations in different cloud environments
• Proactively monitor, identify, and escalate issues or root causes of systemic issues
• Participate in the weekly rotating shift for level 1 support
• Enable data scientists, business and product partners to fully leverage our predictive analytics platform
• Be the consummate team player with a demonstrable ability to learn quickly. Amazing ability to get stuff done.
• Follows the industry trends in the online world

Minimum Qualifications

• BS degree in Computer Science or a related technical field and five years experience
• Experience in 24x7 operations, overseeing sites with constant high traffic
• Experience in bootstrap production and non-prod environments in public/private clouds, Openstack experience is a plus.
• Experience with continuous integration, delivery, and related tools (e.g. Git, Maven, Ant, Jenkins) in Dev, QA, Staging, and Prod environments
• Extensive experience with Linux, particularly RedHat/CentOS, SSH, DNS, EMAIL, etc.
• Experience with setting up monitoring tools, e.g. Nagios, GrayLog, Logstash, Monit, PagerDuty.
• Understand the metric requirements of system/application health
• Experience with setup, configure, and manage RDBMS, NoSQL, Elasticsearch, Kibana, and big data severs
• Experience writing and maintaining tools and scripts to support automation and operations, e.g. Unix Shell scripts, Ansible, etc.
• Solid knowledge of Unix systems with ability to troubleshoot issues in complex, distributed, multi-tier architectures.
• Knowledge and experience with HAProxy, Tomcat, Node.js, etc.
• Worked in SaaS/PaaS companies as DevOps engineer
• Passionate about operational excellence and documentation
• Good written and verbal communication skills

Preferred Qualifications

• Experience with troubleshooting and performance tuning in JVM, MySQL, MongoDB, Cassandra, Elasticsearch
• Experience with setting up a whole network infrastructure, configuring and troubleshooting networking issues
• Experience in secure, scalable and highly available online services
• Experience in data visualization
• Experience collaborating with multiple teams
• Experience in Big Data applications

About Walmart Labs

Imagine working in an environment where one experiment can catapult an entire industry toward a smarter future. That’s what we do at Walmart Labs. We’re a team of 4,000+ software engineers, data scientists, designers and product managers within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and our enterprise operates.

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All the benefits you need for you and your family

  • 100% coverage for in network preventative care
  • Retirement Plan
  • Vision Plans
  • Dental Plans
  • Exclusive Discounts

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