Senior Core Infrastructure Engineer, AI Infrastructure

Oracle•Nashville, TN

About The Position

OCI (Oracle Cloud Infrastructure) AI Infrastructure is at the forefront of building a cutting-edge, ultra-high-performance GPU platform designed to support AI/ML/HPC workloads. This is your chance to be part of the AI revolution, creating systems that allow customers to scale from tens to thousands of GPUs without compromising performance. Our team is responsible for designing and developing fundamental architectural changes for GPU delivery, health monitoring, triage automation, and diagnostic services. These are essential for running distributed AI/ML/HPC workloads across thousands of GPUs, leveraging technologies like RoCE and Infiniband.

Requirements

BS or MS degree in Computer Science or relevant technical field involving coding or equivalent practical experience
Deep understanding of operating systems, computer networks, and high-performance applications
4+ years’ experience delivering and operating large-scale production systems (1000+ server instances)
Proficient in one programming language (Java/Python/C/C++/GoLang/shell scripting)
Strong background in Linux systems
Familiarity with system-level architecture, data synchronization, fault tolerance, and state management.
General enterprise storage, networking, or computing experience
Good understanding of databases and SQL (MySQL) and caching technologies (Redis, Memcache etc)

Nice To Haves

Self-motivated individuals with a quick learning ability.
Rock-solid developers and distributed systems engineers with a deep understanding of distributed systems and algorithms.
Comfortable diving deep into any part of the stack, as well as software debugging and low-level systems troubleshooting.
Value simplicity and scalability in design and implementation.
Comfortable working in a collaborative, agile environment and eager to learn.
Ability to collaborate effectively with various dependencies, including Network and Data Center operations.

Responsibilities

Implements and contributes to the development for components of distributed systems that support horizontal and vertical scaling including leveraging distributed state management tools.
Optimizes code and/or systems for large-scale data processing in large-scale systems.
Implements scalability requirements for assigned components and reviews implementation of team members.
Leverages components of data plane platforms to handle large-scale data retrieval, storage, and processing.
Implements performance and load testing.
Collaborates with team to build fault-tolerant components capable of withstanding in-service updates by implementing redundancy, replication, and automatic failover mechanisms.
Applies recovery oriented computing principles to design components that effectively handle service disruptions.
Implements retry mechanisms, circuit breakers, and timeouts to help handle network unreliability.
Implements tests and alarm configurations to proactively detect and address issues/failures.
Supports efforts to recover from failures by drafting and executing runbooks and operational procedures.
Builds and customizes dashboards, telemetry systems, and alerting mechanisms to monitor component health.
Designs and implements functional requirements and testing for assigned features within an existing system.
Implements tests scenarios (e.g., fault-injection, brown-out) to evaluate system correctness.
Implements standard data replication and synchronization techniques to maintain data integrity and availability.
Diagnoses, debugs, and resolves issues in system components to support ongoing operation.
Implements basic strategies to prevent interruptions, ensuring no maintenance windows are required for customers and users when resolving issues.
Designs and implements automation scripts and tooling used to troubleshoot operational issues.
Participates in operational support rotations, assisting in incident responses and root cause investigations.
Applies advanced security measures to protect data and applications in multi-tenant environments, including encryption and access controls.
Implements remediation plans to continuously improve security.
Collaborates with the team to ensure cloud infrastructure complies with relevant industry standards and regulations and that documentation is up-to-date.
Maintains automation scripts and tools (e.g., Infrastructure as Code (IaC)) for managing cloud infrastructure.
Adheres to change management plans for patching, updating, and rolling back applications.
Track timelines with minimal supervision, ensuring work is completed in a timely manner and is in alignment with project requirements.
Prioritize and adjust work as resources or timelines change, with some guidance.
Collaborates across teams to align on expectations and achieve shared objectives.
Builds and maintains a comprehensive understanding of business, stakeholder, and/or customer needs to build and support effective partnerships.
Actively listens to diverse perspectives and asks questions to ensure understanding of others.
Independently identifies and addresses standard and non-standard issues in accordance with standard practices, escalating more complex issues as appropriate.
Analyzes data and/or information from multiple sources to troubleshoot standard and non-standard errors.
Contributes to knowledge sharing and best practices.
Embraces continuous learning by actively seeking to build knowledge and new skills and/or tools, and staying current with industry trends and best practices.
Seeks out and leverages feedback and training to improve skills.
Contributes to a culture of continuous learning and knowledge sharing with team members.
Develops ideas and recommends updates to increase the efficiency and effectiveness of processes, protocols, and workflows within a team.
Seeks input from team members on alternative approaches and methods for improving work.

Benefits

Medical, dental, and vision insurance, including expert medical opinion
Short term disability and long term disability
Life insurance and AD&D
Supplemental life insurance (Employee/Spouse/Child)
Health care and dependent care Flexible Spending Accounts
Pre-tax commuter and parking benefits
401(k) Savings and Investment Plan with company match
Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.
11 paid holidays
72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.
Paid parental leave
Adoption assistance
Employee Stock Purchase Plan
Financial planning and group legal
Voluntary benefits including auto, homeowner and pet insurance