Senior Core Infrastructure Engineer

Oracle•Nashville, TN

About The Position

OCI (Oracle Cloud Infrastructure) AI Infrastructure builds an ultra-high-performance GPU platform for AI/ML/HPC workloads, enabling customers to scale from tens to thousands of GPUs without compromising performance. The Senior Core Infrastructure Engineer designs, implements, and optimizes distributed-system components, emphasizing scalability, resiliency, and operability. The role delivers features and performance/load tests, uses data-plane platforms and distributed-state tools for high-volume data retrieval, storage, and processing, and reviews implementations for scalability. It also builds fault-tolerant systems, improves operational reliability, and supports security, compliance, automation, and incident response.

Responsibilities

Implement and contribute to distributed-system components that support horizontal and vertical scaling, including through distributed-state management tools.
Optimize code and systems for large-scale data processing.
Implement scalability requirements for assigned components and review team members’ implementations.
Use data-plane platform components for large-scale data retrieval, storage, and processing.
Implement performance and load testing.
Collaborate on fault-tolerant components that withstand in-service updates through redundancy, replication, and automatic failover.
Apply recovery-oriented computing principles and implement retries, circuit breakers, and timeouts to handle disruptions and network unreliability.
Implement tests and alarm configurations to proactively detect and address issues or failures.
Draft and execute runbooks and operational procedures to support recovery from failures.
Build and customize dashboards, telemetry systems, and alerts to monitor component health.
Design and implement feature requirements and tests for assigned components of existing systems.
Implement fault-injection and brown-out test scenarios to evaluate system correctness.
Implement data replication and synchronization techniques to maintain data integrity and availability.
Diagnose, debug, and resolve system-component issues.
Implement strategies to prevent interruptions and resolve issues without requiring customer maintenance windows.
Design and implement automation scripts and tools for operational troubleshooting.
Participate in operational support rotations, incident response, and root-cause investigations.
Apply security measures, including encryption and access controls, to protect data and applications in multi-tenant environments.
Implement remediation plans to improve security.
Collaborate to ensure cloud infrastructure meets relevant industry standards and regulations and that documentation remains current.
Maintain automation scripts and tools, including Infrastructure as Code, for cloud infrastructure management.
Follow change-management plans for application patching, updates, and rollbacks.