Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyperscale, multi-tenant services deployed across more than 50 regions globally. OCI continues to expand beyond traditional public-cloud boundaries to support dedicated, hybrid, and multicloud solutions, edge computing, and more. As a Senior Core Infrastructure Engineer, you will build and operate the foundational distributed systems behind OCI. You will develop scalable, resilient components for high-volume data retrieval, storage, and processing, with a focus on correctness, security, observability, and dependable operation at global scale. This position is office-based and requires onsite presence in Nashville, Tennessee. Relocation assistance may be available in accordance with Oracle's relocation policies. What You'll Do Design, implement, test, and optimize components of large-scale distributed systems and data-plane services. Build for horizontal and vertical scale, using distributed state, replication, synchronization, and high-volume data-processing patterns. Strengthen service reliability through redundancy, automatic failover, recovery-oriented design, retries, circuit breakers, and timeouts. Develop and execute performance, load, and fault-injection tests to validate scalability, correctness, availability, and operational readiness. Create dashboards, alarms, telemetry, runbooks, and automation that proactively detect issues and accelerate recovery. Diagnose production issues, participate in on-call rotations and incident response, and contribute to root-cause analyses and durable corrective actions. Develop infrastructure automation and Infrastructure as Code (IaC) for safe maintenance, troubleshooting, patching, updates, and rollbacks. Apply strong security controls—including encryption, access controls, and vulnerability remediation—in multi-tenant environments. What You'll Bring Bachelor's or master's degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience. 4+ years of professional software-development experience; advanced degree holders may have fewer years of experience. Proficiency in at least one object-oriented or systems programming language, such as Java, C++, C#, or Go. Experience building or operating scalable, highly available distributed systems or cloud infrastructure. Experience with system-level testing and automation, including performance, load, reliability, or fault-injection testing. Understanding of distributed-systems concepts, data structures, algorithms, operating systems, networking, and secure software-development practices. Strong debugging, problem-solving, communication, and cross-functional collaboration skills. Preferred Qualifications Experience with cloud platforms, such as Oracle Cloud, AWS, Azure, or Google Cloud. Experience with data-plane platforms, distributed storage, microservices, state management, replication, or large-scale data processing. Experience with observability, incident management, Infrastructure as Code, and production service operations. Familiarity with compliance requirements and security controls for cloud infrastructure. Disclaimer: Certain U.S. based or U.S. customer or client-facing roles may be required to comply with applicable requirements, such as immunization/occupational health mandates, and/or drug testing requirements. Range and benefit information provided in this posting are specific to the stated locations only US: Hiring Range in USD from: $79,200 to $209,500 per annum. May be eligible for bonus and equity. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business. Candidates are typically placed into the range based on the preceding factors as well as internal peer equity. Oracle US offers a comprehensive benefits package which includes the following: 1. Medical, dental, and vision insurance, including expert medical opinion 2. Short term disability and long term disability 3. Life insurance and AD&D 4. Supplemental life insurance (Employee/Spouse/Child) 5. Health care and dependent care Flexible Spending Accounts 6. Pre-tax commuter and parking benefits 7. 401(k) Savings and Investment Plan with company match 8. Paid time off: 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. 9. 11 paid holidays 10. Paid sick leave: 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. 11. Paid parental leave 12. Adoption assistance 13. Employee Stock Purchase Plan 14. Financial planning and group legal 15. Voluntary benefits including auto, homeowner and pet insurance The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted. Career Level - IC3