Conquering cancer through AI. Lunit, a medical AI software company, is seeking a Senior Site Reliability Engineer to improve reliability, observability, automation, and operational systems for the Lunit INSIGHT product.
🏢 About Lunit
Lunit, a portmanteau of ‘Learning unit,’ is a medical AI software company devoted to providing AI-powered total cancer care. Our AI solutions help discover cancer and predict cancer treatment outcomes, achieving timely and individually-tailored cancer treatment.
🎯 The Role
The Site Reliability Engineer role sits between development and operations, improving reliability, observability, automation, and operational systems so the INSIGHT product can run stably. Rather than simply performing operational tasks, you will discover recurring problems and operational inefficiencies in production, analyze their root causes, and translate the findings into automation, improved observability, and improved operational processes.
✅ Key Responsibilities
Design and improve the reliability, observability, deployment automation, and cloud infrastructure operations of the Lunit INSIGHT product to ensure it runs stably.
Improve the stability, availability, performance, and operational quality of the Lunit INSIGHT product and related services.
Design and enhance cloud infrastructure, deployment, monitoring, and operational automation systems.
Analyze cloud resource usage and cost, and continuously drive cost optimization while considering stability and performance.
Diagnose, recover from, and perform root-cause analysis on incidents, and prevent recurrence through monitoring, alerting, runbooks, and automation.
Reliably manage and improve operational configurations and security elements such as per-environment/per-customer settings, certificates, secrets, and access permissions.
Understand the product domain and collaborate with development teams to build reliability in from the design and development stages.
Collaborate in English with Lunit International's SRE team, understanding and aligning differing operational environments and processes.
Build an on-call and incident-response system for 24/7 service operations, and participate in the actual on-call rotation to handle production incidents. As the team grows, evolve and lead a sustainable on-call operating model.
📌 Required Qualifications
5+ years of experience in SRE, DevOps, Platform Engineering, or production infrastructure operations
Experience directly designing and operating Azure-based production environments
Hands-on experience with Linux, networking, and containers
Experience designing or improving CI/CD, Infrastructure as Code, or operational automation systems
Experience analyzing production incidents based on monitoring, and performing recovery and recurrence-prevention activities
Experience collaborating with product and development teams to balance stability and development velocity
Ability to discuss and coordinate technical decisions fluently in English with overseas engineers and colleagues from diverse roles
⭐ Desirable Experience
Experience establishing and improving the technical direction or operating systems of the SRE or Platform domain
Experience identifying the causes of recurring incidents or operational inefficiencies and leading structural improvements such as recurrence prevention or automation
Experience building or operating SRE practices such as on-call, incident management, postmortems, and SLO/SLA
Experience with Infrastructure as Code (Terraform, Bicep, ARM templates) and operational automation using Python, Bash, etc.
Experience operating container and deployment environments such as Kubernetes, GitHub Actions, and Azure DevOps
Experience using observability tools such as Azure Monitor, Application Insights, and Log Analytics, and incident-response/operations tools such as PagerDuty and ServiceNow
🎁 Benefits
Salary: After negotiation Work type: Full-time (3-month probation) Work location: Lunit HQ(5F, 374, Gangnam-daero, Gangnam-gu, Seoul)
