Jobs / South Korea / Sonatus INC
Senior Staff DevOps Engineer
Sonatus INC · 🌍 Pangyo, South Korea
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About the role
At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 9 million vehicles on the road today and rapidly expanding. Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility. The Role Sonatus builds the software platform for AI-enabled, software-defined vehicles. Our Korea engineering site is responsible for critical product delivery to major automotive OEMs — it generates 30% of company revenue and operates dedicated build infrastructure, lab hardware, and test environments that must run reliably on-premises. We are seeking a Staff DevOps Engineer based in Seoul to own and modernize the Korea site's on-premises infrastructure: bare-metal Jenkins build servers, enterprise storage, lab networking, and the automation that ties CI/CD pipelines to physical test hardware. This is a hands-on engineering role where you will be the primary infrastructure owner for the Korea site, working closely with the global Engineering Operations team (Sunnyvale, Dublin) to bring consistency and modern practices to a critical production environment. Today, the Korea infrastructure is functional but manually configured — Jenkins controllers and agents set up by hand, storage replication that is undocumented, and release automation built on large monolithic scripts. You will modernize this into a codified, observable, maintainable platform while preserving the team's existing workflows and institutional knowledge. What You'll Own On-premises build infrastructure — Own the Korea Jenkins controller and physical build agents. Manage capacity planning, server health, and reliability for the bare-metal servers that produce ECU firmware builds. Coordinate AWS overflow capacity when on-prem resources are constrained. Lab infrastructure and hardware integration — Own the integration between CI/CD pipelines and physical test hardware (ECUs, evaluation boards). Support board provisioning, health monitoring, and the automation that connects builds to hardware test execution. Work with QA engineers to ensure test environments are reliable and reproducible. Storage and replication — Bring up and operate Pure Storage (FlashArray) for build workspaces, artifact caching, and test output. Own the NFS layer and multi-site replication between Korea, Sunnyvale, and Dublin. Document and stabilize storage infrastructure that currently has single-person dependencies. Infrastructure as Code migration — Lead the migration from manual server configuration to codified infrastructure. Terraform for provisioning, Ansible for configuration management. The Korea site currently has zero IaC — you will design the target state and execute the migration without disrupting active builds. CI/CD pipeline support — Maintain and improve the Korea release automation pipelines (Jenkins shared libraries, Groovy-based release workflows). Partner with the global CI/CD team on consolidation and standardization efforts while ensuring Korea-specific build and release requirements are met. Monitoring and observability — Deploy monitoring (Nagios, Prometheus/Grafana, or equivalent) for all Korea on-prem infrastructure: build servers