Join Oracle Cloud Infrastructure (OCI) and help shape the future of enterprise cloud computing. As part of our Compute organization, you will be instrumental in building the foundational infrastructure services that power OCI. This is a dynamic environment where we blend the agility of a startup with the scale and customer focus of a global leader.

We are seeking a Senior Systems Engineer to contribute to the shared full-stack ownership of critical services. Your role will involve understanding end-to-end system behavior, managing production environments, and driving improvements in security, performance, and availability. You will act as a key technical authority, partnering with development teams to deliver premier cloud capabilities and ensuring our services meet stringent SLAs.

You will be responsible for the seamless operation of production environments, including systems and databases, that support critical business functions. This involves in-depth administration and analysis across multiple production settings, recommending innovative solutions for enhanced availability, performance, and supportability. This is an exciting opportunity to apply your deep technical expertise and cloud infrastructure knowledge to address complex challenges related to immense growth, scaling, leveraging the cloud, extreme performance, and high availability requirements.

Key responsibilities include: - Independently troubleshooting and resolving complex production issues involving Linux hosts, GPU systems, and host-network interactions. - Supporting GPU host operations, encompassing provisioning, validation, incident response, and ensuring operational readiness. - Owning incident response and resolution for assigned services, with timely escalation for cross-team or cross-domain issues. - Identifying recurring failure patterns and contributing to the enhancement of runbooks, tooling, monitoring, and operational procedures. - Collaborating with partner teams to resolve infrastructure issues spanning hardware, operating systems, networking, and service dependencies. - Supporting patching, upgrades, release activities, and change execution in production and staging environments. - Maintaining service reliability, strong operational hygiene, and up-to-date documentation for repeatable issue resolution. - Driving automation and scripting improvements to minimize manual effort and boost operator effectiveness.

We are looking for experienced professionals with a minimum of 4 years in systems administration, production support, or cloud operations, building upon 5+ years of overall IT industry experience. A strong background in Linux administration, particularly with Ubuntu and Oracle Linux in production settings, is essential.

Key qualifications include: - Solid understanding of host-level networking fundamentals, including TCP/IP, routing, DNS, interface behavior, and connectivity troubleshooting. - Working knowledge of OSI layers and the ability to apply layered troubleshooting across host, network, and service issues. - Understanding of communication patterns in distributed systems, such as peer-to-peer and node-to-node. - Experience supporting data center operations or large-scale infrastructure environments. - Hands-on experience with GPU infrastructure, including NVIDIA and AMD systems, and familiarity with GPU shapes or instance families. - Demonstrated ability to troubleshoot GPU hosts, operating systems, hardware, networking, drivers, and dependent services in production. - Proficiency in automation using shell scripting and operational tooling to enhance reliability and reduce manual effort. - Strong operational ownership, incident handling, and problem-solving skills in production environments. - Experience with monitoring, deployment, configuration, and support tooling for daily operations.