Senior Core Infrastructure Engineer

Oracle Cloud Infrastructure is building the next generation of cloud infrastructure for a globally distributed, multi-tenant environment.The OCI Virtual Networking Dataplane team develops and operates the high-performance packet-processing platform behind critical services such as internet gateways, NAT gateways, and dynamic routing gateways. Our systems connect customer resources to Oracle Cloud services and external networks while meeting demanding requirements for availability, performance, security, and scale.As a Senior Core Infrastructure Engineer, you will independently design and deliver major dataplane features in C and C++. You will work across packet processing, routing, network address translation, network gateways, security policy enforcement, distributed configuration, testing, deployment, and production operations.You will own features throughout their lifecycle, from design and implementation through testing, rollout, observability, and operational support. You will troubleshoot complex Linux and networking problems, participate in the production on-call rotation, and improve the tools and automation used to operate OCI’s virtual networking infrastructure.This is a hands-on senior software development role for someone who enjoys systems programming, understands how software behaves in production, values simplicity and scale, and wants to solve challenging networking problems in a collaborative environment.Only 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 us.fitly.work or by calling View phone number on us.fitly.work 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.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 onlyUS: 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 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 - IC3Design and implement major features in C and C++ for OCI’s high-performance Virtual Networking Dataplane.Build packet-processing capabilities for routing, network address translation, network gateways, and security-policy enforcement.Contribute to the design of distributed systems that meet requirements for scale, availability, performance, security, and maintainability.Optimize CPU utilization, memory usage, concurrency, latency, and throughput for large-scale production environments.Develop unit, integration, system, fault-injection, scale, and performance tests to validate system correctness and reliability.Build fault-tolerant and recoverable components that can handle failures and software updates without disrupting customers.Improve service observability through metrics, alarms, dashboards, telemetry, canaries, and operational health checks.Diagnose and resolve complex Linux, networking, and production issues using logs, metrics, packet captures, core dumps, and debugging tools.Participate in the production on-call rotation and contribute to incident response, root-cause investigations, and permanent corrective actions.Create runbooks, diagnostic tools, and automation that make operational issues easier to detect, troubleshoot, and resolve.Apply security and isolation principles appropriate for a multi-tenant cloud environment and contribute to the remediation of identified security risks.Support safe change management through automated validation, staged deployment, monitoring, rollback, and recovery procedures.Maintain automation and infrastructure-as-code used to build, deploy, and operate the service.Own features through design, implementation, testing, deployment, production validation, and ongoing support.Plan and track work with minimal supervision, identify risks and dependencies early, and adjust execution as requirements change.Collaborate across networking, control-plane, infrastructure, security, and operations teams to deliver shared outcomes.Participate in design and code reviews, document technical decisions, and contribute to team knowledge and engineering practices.Identify opportunities to improve development, testing, deployment, and operational workflows through better tooling and automation.Full timePosting Date: 2026-08-15