Costco IT is responsible for the technical future of Costco Wholesale, the third largest retailer in the world with wholesale operations in fourteen countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed.
This is an environment unlike anything in the high-tech world and the secret of Costco’s success is its culture. The value Costco puts on its employees is well documented in articles from a variety of publishers including Bloomberg and Forbes. Our employees and our members come FIRST. Costco is well known for its generosity and community service and has won many awards for its philanthropy. The company joins with its employees to take an active role in volunteering by sponsoring many opportunities to help others.
Come join the Costco Travel IT family. Costco IT is a dynamic, fast-paced environment, working through exciting transformation efforts. We are building the next generation retail environment where you will be surrounded by dedicated and highly professional employees.
The Site Reliability Engineer (SRE) will be responsible for maintaining and improving the availability, performance, scalability, and maintainability of applications at Costco Travel. They will translate Costco’s goals and strategies for system availability, performance, and capacity into designs and plans for technical solutions. The SRE will also work with other Costco teams to identify upcoming events that could affect demand on system performance and prepare mitigation plans. They will work with teams and System Architects to implement, maintain, and validate disaster recovery plans and other solutions to avoid or mitigate service interruptions. The SRE will monitor Incidents and their resolution and support to identify trends and concerns. The SRE will create and disseminate system reliability reports to Costco management in support of planning and decision making.
If you want to be a part of one of the worldwide BEST companies “to work for”, simply apply and let your career be reimagined.

Applies their deep understanding of software design to detect and diagnose issues before they cause outages or performance degradation. Anticipates potential performance issues based on design decisions, code patterns, and expected system load.

• Tracks system performance, capacity, and uses experience to create effective strategies for maintaining and improving system performance and availability.
• Uses APM/monitoring tools such as Dynatrace/Splunk and browser tools to perform request purepath/waterfall analysis to identify bottlenecks and suggest improvements. Sets up comprehensive performance monitoring systems to track key metrics, identify trends, and proactively address performance regressions.
• Identifies deficiencies within a product/application’s code base and identifies opportunities to improve overall code quality. Experience tuning and maintaining the performance of systems is desirable.
• Drives engineering best practices to deliver higher-quality and scalable solutions.
• Identifies breaking points and works with Infrastructure and Feature teams to ensure stability and proactively scale.
• Identifies, designs, develops, and deploys tools and processes to monitor, maintain, and report site performance and availability.
• Prototypes and demonstrates mechanisms for performance improvement, high-availability, and system scaling.
• Works closely with Infrastructure teams, Architects, Dev/QA, and Engineers to design, implement, manage, and secure scalable and reliable cloud infrastructure environments.
• Enhances the confidence and safety of deploying changes across the applications in Costco Travel.
• Enables teams to better understand and prepare for sudden spikes in traffic and other load scenarios, both at the application level and system level.
• Develops new approaches to confidently assess whether a change causes negative impacts. Improves the efficacy of existing validation approaches.
• Increases the depth and breadth of our performance testing tooling.