Oracle
Principal Core Infrastructure Engineer
1501 4th Ave Ste 1800, Seattle, WA 98101
Full-time · $115k–$235k (as posted)
First seen by offpeak October 14, 2026
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This is a hands-on engineering role for someone who enjoys solving complex distributed systems problems, writing high-quality code, and owning services from design through production. You will work with a strong team of engineers, product managers, and operators to deliver reliable, secure, and scalable cloud services that customers depend on every day.
You will design and develop backend services, distributed systems, and workflow orchestration capabilities for OCI, with a focus on reliability, scalability, performance, and operational excellence. You will contribute to architecture discussions, make pragmatic technical decisions, and build systems that are highly scalable, simple to operate, and easy to evolve.
As a member of the software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. You will for example:
- Design, implement, test, and operate production-grade cloud services.
- Build large-scale distributed systems with clear APIs, strong automation, and high availability.
- Develop highly scalable workflows for orchestration, automation, provisioning, and lifecycle management.
- Improve service reliability, observability, performance, and security at cloud scale.
- Reason about concurrency, state management, failure recovery, idempotency, latency, and throughput.
- Participate in design reviews, code reviews, and operational readiness reviews.
- Troubleshoot complex production issues and drive long-term fixes.
- Collaborate across teams to deliver customer-focused solutions.
- Mentor engineers and raise the engineering bar through thoughtful technical leadership.
Ideal qualifications include:
- Strong experience building backend services, large-scale distributed systems, cloud infrastructure, or workflow orchestration platforms.
- Experience designing and operating systems that handle high volume, high availability, and complex failure scenarios.
- Proficiency in one or more modern programming languages such as Java, Python.
Solid understanding of data structures, algorithms, concurrency, networking, and system design. - Experience designing APIs, service contracts, asynchronous workflows, and production-ready software components.
- Familiarity with cloud platforms, containerized services, CI/CD, observability, and operational practices.
- Ability to reason about reliability, latency, scalability, state transitions, retries, backpressure, and trade-offs.
- Strong communication skills and a collaborative engineering mindset.
- Bachelor’s or Master’s degree in Computer Science or equivalent practical experience.
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: $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 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 - IC4