Sr. Staff Site Reliability Engineer

Job Overview:  

Site Reliability Engineers (SREs) at Coupang is a mission-critical role which combines software and system engineering to build, run and scale our complex, large-scale ecommerce systems. As part of the Site Reliability Engineering team, you will be responsible for ensuring all our customer facing services are healthy, monitored, automated, and designed to scale. As SRE organization we take pride in handling “operations as an engineering” problem with automation first approach. You will use your background to build best in class infrastructure automation for areas such as Observability, Incident management, Disaster Recovery, Load testing, Capacity engineering and many more. In this role you will work very closely with our product development teams from an early stage of design to all the way helping resolve any production incidents, maintaining SLI/SLA bar for production services and influencing them with SRE principles and best practices. If you take pride in complete ownership, have a passion for solving complex technical challenges for large scale distributed systems and demeanor to work and communicate effectively across team boundaries, this is the role for you!

 

Key Responsibilities: 

• Serve as a primary point responsible for the platform reliability, health, and performance of all Coupang customer-facing services.  
• Gain deep knowledge of Coupang application workflow and dependencies.  
• Define and track key performance indicators (KPIs) and service-level objectives (SLOs) related to system availability, performance, and reliability. 
• Build world class incident management process and automation, including fast incident remediation, incident operational reviews and retrospectives. 
• Develop and implement best practices for creating , Scaling and maintaining effective monitoring, alerting, and telemetry systems. 
• Build automation to execute regular Disaster Recovery testing, Chaos testing and load testing to stay ahead of expected growth of Coupang services.  
• Work closely with product development teams to ensure the products are designed with scale and operability in mind.  
• Build right guardrails and automation for deploying production changes holding the reliability bar.  
• Participate in a 24x7 rotation for production issue escalations, functions well in a fast-paced environment.  
• Communicate effectively with people at all levels of the organization. 

 

Basic Qualifications: 

• Bachelor's degree in computer science, Engineering, or a related technical field.
• 8+ years of industry experience building and operating large scale distributed systems

 

Preferred Qualifications: 

• Prior experience working with AI/ML, large scale web-based Java architectures and JVM configuration. 
• Professional certifications in cloud platforms, monitoring tools, or related technologies. 
• Previous experience working on a large-scale GPU/Cloud Infrastructure platforms.  
• SLO/SLA management and implementation experience 
• Deep UNIX/Linux systems knowledge and administration background. 
• Demonstrated programming skills in one or more of: Python, Java, Golang, Ruby. 
• Strong problem-solving and analytical skills spanning systems, network (TCP/IP) and code, with a focus on data-driven decision-making. 
• Experience with cloud-based  GPU infrastructure, including AWS, Azure, or Google Cloud Platform. 
• Strong understanding of DevOps and SRE practices, including continuous integration, continuous delivery, and infrastructure as code (IaC). 
• Experience with containerization and orchestration technologies, such as Docker and Kubernetes. 
• Excellent communication and collaboration skills, with the ability to work with teams across distinct functions and technical domains. 
• Knowledge of open telemetry observability ecosystem including metrics, logging, tracing and tools, such as Prometheus, Grafana, Elastic Stack, Datadog, or New Relic.         
  
  

Pay & Benefits   

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. 

The base pay for this position ranges from $176,000/year in our lowest geographic market to $221,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits  

• Medical/Dental/Vision/Life, AD&D insurance  
• Flexible Spending