Principal Software Engineer, Core Infrastructure

Job-ID: 342987Category: Product and ResearchLocation: Santa Clara, CA, United States; Seattle, WA, United StatesSchedule: Full timePosted: 2026-10-16Role: Individual ContributorJob Type: Regular EmployeeDoes this position require a security clearance?: NoYears: 3 to 5+ yearsApplicants are required to read, write, and speak the following languages: EnglishOracle Cloud Infrastructure (OCI) delivers mission-critical applications for top tier enterprises around the world. Our cloud offers unmatched hyper-scale, multi-tenant services deployed in more than 50 regions worldwide. OCI is expanding its mission beyond the traditional boundaries of public cloud to include dedicated, hybrid and multi cloud, edge computing, and more.At part of Core Infrastructure Engineering within OCI, our mission is to support customer choice, transparency, and value when it comes to cloud infrastructure. We’re embarking on ambitious new initiatives such as canonical implementation of core components for data planes. We are hoping to enhance engineering efficiency by concentrating our expertise on building low level systems with high performance that can be adopted by our core cloud services across OCI.For this role, we are looking for technical leaders to build and deliver a database and storage services at Cloud Scale. This an exciting opportunity to deliver a nascent OCI service and work with senior architects and leaders at OCI. You must be self-motivated engineer with passion and expertise in solving challenging system, data-plane level and performance problems. You should be a rock solid developer able to dive deep into low-level systems, design broad distributed system interactions for high performance, high scale data-planes. You should value simplicity and scale, work comfortably in a collaborative, agile environment, and be excited to learn.We are growing fast, still at an early stage, and working on ambitious new initiatives. You will be part of a team of smart, motivated, diverse people, and given the autonomy as well as support to do your best work. It is a dynamic and flexible workplace where you’ll belong and be encouraged. With your superb technical, research and analytical capabilities and demonstrated ability to get the right things done quickly and effectively to delight our customers, you will envision, collaborate with executives for investment and drive the software design and development for new major data-plane components of Oracle’s Cloud Infrastructure. You will define the foundations for the next generation of OCI data-planes, making deep architectural changes calls as an outstanding builder and technical leader with an established industry track record of success in leading large cloud scale projects.You will take an active role in the definition and evolution of standard practices and procedures. You will perform software development tasks associated with the developing, designing and debugging of software applications or operating systems. You will be able to work with Engineering Managers and TPMs, and providing direct guidance to junior team members. You can go from high level system design, writing architectural documentation and driving engineering peer reviews to hands-on prototyping, code reviews and project bootstrapping. You can balance speed and quality with iteration and incremental improvements. You’ve made life easier for other developers and have motivated your teams to make both process and service improvements with your ability to automate and instrument your service. You understand operational excellence and how to instill a culture of high quality and customer focus.QualificationsDisclaimer: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 onlyUS: Hiring Range in USD from: $114,600 to $234,600 per annum. May be eligible for bonus, equity, and compensation deferral.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 opinion2. Short term disability and long term disability3. Life insurance and AD&D4. Supplemental life insurance (Employee/Spouse/Child)5. Health care and dependent care Flexible Spending Accounts6. Pre-tax commuter and parking benefits7. 401(k) Savings and Investment Plan with company match8. 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 holidays10. 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 leave12. Adoption assistance13. Employee Stock Purchase Plan14. Financial planning and group legal15. Voluntary benefits including auto, homeowner and pet insuranceThe 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 - IC4ResponsibilitiesProvides technical guidence team-wide goals and driving alignments.Strong experience of C/C++ and open to work on RustStrong experience with high-concurrency systems.Experience in low-level and performance-critical system level design and service development.6+ years of working experience with at least a few Database of Storage related technologies: High performance distributed storage, Write-Ahead Logging (WAL), Indexing strategies (B-tree, LSM tree), data partitioning/sharding, Raft, Paxos, or Multi-Paxos for distributed consistency,Transaction Management (MVCC), Partitioning/sharding, distributed transactions, CAP theorem trade-off, Key-Value storeStrong team player with outstanding communication, organization, and interpersonal skills.Comfortable with complex, swiftly evolving software development environments.Ability to learn new technologies quickly and drive, follow, evangelize, and improve cross-team processes.Expert knowledge of cloud infrastructure concepts and technologies.Experience working with geographically distributed teams.Experience in startups or fast-paced enterprise technology development environmentsAbout the companyOnly Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives.True innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing a workforce that promotes opportunities for all with competitive benefits that support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.We’re committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing View email address on click.appcast.io or by calling View phone number on click.appcast.io in the United States.Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.