Principal Software Engineer - OCI Networking, Network OS Team

Oracle
Phoenix, AZ
**Job Description** In this role, you will have ownership and influence over the core architecture and implementation of the Network Operating System, driving critical features and improvements for OCI's high-performance switching infrastructure. As a principal engineer on this team, you will leverage your expertise in systems software and deep networking knowledge to design, build, and operate robust, scalable solutions powering Oracle's hyperscale cloud. **Responsibilities** Key Responsibilities: + Architect, design, and implement key components of the Network OS, focusing on scalability, high availability, and performance. + Apply advanced knowledge of networking protocols (Layer 2/Layer 3, TCP/IP, VLANs, routing) to enhance and extend the capabilities of the Network OS. + Solve complex systems-level problems, leveraging expertise in operating systems, distributed systems, and concurrency. + Write efficient, maintainable, and well-documented code in C, C++, Go, or Rust. + Lead technical design reviews and provide mentorship to engineers across the team. + Debug, analyze, and resolve challenging production issues in large-scale distributed environments. + Drive improvements in testing, automation, observability, and operational processes. + Collaborate cross-functionally with hardware engineers, SREs, and product managers to deliver integrated solutions. Preferred Qualifications: + Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field (or equivalent experience). + 5+ years of experience developing production-grade systems or network software. + Strong, hands-on experience with Layer 2/Layer 3 network protocols, switching, routing, and network security. + Proven skills in operating systems concepts, data structures, algorithms, and systems optimization. + Experience building or maintaining high-availability systems in cloud or large-scale environments. + Proficiency in at least one systems or network programming language (C, C++, Rust, or Go). + Demonstrated ability to mentor others, lead technical initiatives, and drive results in cross-functional teams. Join the OCI Networking - Network OS team to tackle industry-leading systems challenges and engineer the core networking foundation for Oracle's global cloud. Disclaimer: **Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates.** **Range and benefit information provided in this posting are specific to the stated locations only** US: Hiring Range in USD from: $96,800 to $223,400 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 - IC4 **About Us** As a world leader in cloud solutions, Oracle uses tomorrow's technology to tackle today's challenges. We've partnered with industry-leaders in almost every sector-and continue to thrive after 40+ years of change by operating with integrity. We know that true innovation starts when everyone is empowered to contribute. That's why we're committed to growing an inclusive workforce that promotes opportunities for all. Oracle careers open the door to global opportunities where work-life balance flourishes. We offer competitive benefits based on parity and consistency and 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 [email protected] or by calling +1 888 404 2494 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.
Posted 2025-11-14

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