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Oracle

Senior Principal Software Engineer, Core Infrastructure

Santa Clara, CA, United States
Seattle, WA, United States
Burlington, MA, United States

$136,500 to $306,400 USD / year

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Job details

Pay: $136,500 to $306,400 USD / year
Apply by: May 8, 2027
Posting language: English
Posted: Nov 9, 2026

Original job description

About the role

Oracle Cloud Infrastructure (OCI) is seeking a Senior Principal Software Engineer to build a new Data Processing Unit (DPU) platform spanning networking and storage. You will address system-level questions such as host-versus-DPU responsibilities, predictable tail latency under mixed workloads, and correct behavior across offload transitions, failures, and upgrades.

You will own a major subsystem spanning components and teams. Depending on the assignment, that could include a storage I/O pipeline, packet processing pipeline, host-to-DPU data path, or infrastructure acceleration subsystem. You will define architectural boundaries, align component owners, and remain accountable for integration and subsystem outcomes. We welcome engineers with deep storage data path expertise and working familiarity with networking, or deep networking data path expertise and working familiarity with storage. Your primary ownership will draw on your strengths while requiring collaboration across both domains.

What you will do

Own subsystem architecture and outcomes. Turn ambiguous system requirements into an architecture, component contracts, and a phased delivery plan. Establish decision authority and resolve tradeoffs that individual component owners cannot settle independently.
Shape foundational data path decisions. Evaluate partitioning across host, DPU software, firmware, and hardware. Validate choices about queueing, memory ownership, acceleration, and recovery through prototypes and representative workloads.
Lead delivery across component owners. Decompose subsystem work, align technical dependencies, and resolve integration risks across teams. Guide implementation through other engineers while personally implementing or debugging critical paths.
Set end-to-end performance expectations. Establish subsystem budgets and targets for throughput, tail latency, resource efficiency, and relevant storage I/O or packet processing metrics. Resolve bottlenecks that span component boundaries.
Connect storage and networking architecture. Work with engineers in both domains to evaluate I/O processing, transport, ordering, buffering, backpressure, and recovery tradeoffs. Ensure local optimizations preserve end-to-end performance, availability, and data integrity.
Own integration and production readiness. Lead subsystem qualification and technical readiness reviews. Establish compatible interfaces, observability, fault isolation, and safe upgrade behavior; resolve systemic risks during rollout and operation.
Develop component owners. Mentor engineers in architectural judgment and systems debugging. Establish shared engineering practices and help component leaders make sound decisions independently.
Establish reusable AI practices. Guide effective AI use across subsystem engineering work, with validation and clear accountability. Share approaches that improve quality and productivity, reduce repetitive debugging and documentation, and support employee well-being.

Required qualifications

10+ years of professional software engineering experience in systems or infrastructure software, including substantial hands-on experience building high-performance storage data paths or networking data paths.
Demonstrated technical ownership of a major subsystem spanning multiple components and engineering teams, from ambiguous requirements through production integration.
Deep expertise in either storage data path architecture, implementation, and optimization, or networking data path architecture, implementation, and optimization. Relevant experience may include storage I/O pipelines, block storage or storage transport, or high-performance packet processing and network virtualization.
Strong hands-on C or C++ expertise and deep knowledge of Linux, synchronization, memory management, multicore architectures, and performance analysis.
Working familiarity with the complementary domain: networking fundamentals and transport behavior for storage specialists, or storage I/O architecture and behavior for networking specialists. Ability to evaluate cross-domain performance and failure interactions with partner engineers.
Experience defining component boundaries and contracts, establishing performance budgets, and resolving cross-component correctness and reliability issues.
A record of driving technical alignment and delivery across teams while remaining actively involved in implementation and difficult debugging.
Ability to explain complex architectural decisions and develop other engineers into effective component owners.
A bachelor’s degree in Computer Science, Computer Engineering, or a related discipline, or equivalent practical experience.

Preferred qualifications Experience in one or more of the following areas is valuable. Experience with every listed technology is not required.

DPU architecture - DPUs, SmartNICs, AMD Pensando, NVIDIA BlueField/DOCA, P4, or comparable technologies; software, firmware, and hardware interface design.
Packet processing - Architecture or substantial extension of DPDK-based systems or comparable user-space packet processing frameworks.
Storage data paths - Storage I/O pipeline design or optimization, block storage, NVMe, NVMe over Fabrics, RDMA, or storage virtualization.
Hardware and production - Hardware co-design, PCIe, DMA, SR-IOV, IOMMU, zero-copy techniques, fleet qualification, failure recovery, or upgrade compatibility.

What success looks like You will establish a coherent subsystem architecture, align component owners, and deliver successful integration with measured end-to-end results. You will resolve systemic risks early, lead consequential cross-team decisions, and strengthen the technical judgment of the engineers around you. Why join us Influence foundational architecture while remaining deeply involved in engineering. You will have ownership of how a substantial part of the platform fits together, performs, and reaches production, working with experienced networking, storage, and hardware partners.

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: $136,500 to $306,400 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:

Medical, dental, and vision insurance, including expert medical opinion
Short term disability and long term disability
Life insurance and AD&D
Supplemental life insurance (Employee/Spouse/Child)
Health care and dependent care Flexible Spending Accounts
Pre-tax commuter and parking benefits
401(k) Savings and Investment Plan with company match
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.
11 paid holidays
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.
Paid parental leave
Adoption assistance
Employee Stock Purchase Plan
Financial planning and group legal
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. As part of Oracle's onboarding process and consistent with applicable law, US-based employees are required to complete identity verification, which involves the collection and processing of their biometric information. Accommodations to this requirement may be granted following an individualized assessment.

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 accommodation-request_mb@oracle.com 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.

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More about this job

Skills

Oracle Cloud
Process data
Collaboration
Firmware
Debugging
Documentation
C
C++
Linux
Computer science
Computer engineering

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