{"id":2775438,"url":"https://alion.io/job/oracle-principal-core-infrastructure-engineer-86","title":"Principal Core Infrastructure Engineer","company":{"id":53,"name":"Oracle","domain":"oracle.com","url":"https://alion.io/company/oracle","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"A","score":88,"open_postings":254,"ghost_share":0,"stale_share":0.681,"repost_share":0.004,"time_to_fill_p50_days":6,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Nashville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":114600,"max":234600,"currency":"USD","period":"year","gross":null,"usd_annual":234600},"salary_estimate":null,"experience_years_min":11,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"C++","optional":false},{"name":"eBPF","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-08-15T04:48:56Z","employer_posted_date":"2026-08-15","last_verified_at":"2026-10-18T02:34:34Z","board_verified":true,"closed_at":null,"days_open":64,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":64},"description":"The role will provide technical leadership for the architecture, design, and evolution of OCI’s high-performance virtual networking dataplane. This role is responsible for shaping the systems and engineering direction behind foundational networking capabilities, including packet processing, routing, network address translation, virtual network gateways, traffic management, and security-policy enforcement in a highly scalable, multi-tenant cloud environment.\nThe engineer will define and drive the architecture for dataplane services that must deliver high throughput, low latency, strong tenant isolation, fault tolerance, and operational simplicity at cloud scale. They will make critical technical decisions across C/C++ systems design, concurrency, memory management, performance optimization, Linux networking, distributed control-plane integration, and fast dataplane technologies such as DPDK, VirtIO, eBPF/XDP, SR-IOV, SmartNICs, and userspace packet-processing frameworks.\nThis role leads complex initiatives from early technical strategy through architecture, implementation, testing, rollout, and long-term operation. The Principal Engineer will establish design patterns and technical standards for safe, observable, recoverable services; guide the design of resilient mechanisms such as health checks, failover, graceful draining, rollback, and recovery; and ensure features can withstand failures, in-service updates, traffic spikes, and evolving customer requirements without disruption.\nThe Principal Engineer will also influence how the organization measures and operates dataplane health. They will drive investments in metrics, telemetry, dashboards, alarms, canaries, diagnostic tooling, automated validation, and incident learning. They will lead investigation of the most complex performance and production issues, using system and network-level evidence to identify root causes and create durable improvements.\nSuccess in this role requires broad technical depth as well as strong cross-functional leadership. The Principal Engineer will partner with control-plane, infrastructure, security, hardware, operations, and product teams to align architecture and execution across service boundaries. They will mentor engineers, raise the quality of design and code reviews, clarify difficult technical tradeoffs, and create reusable engineering practices that improve the reliability, performance, security, and delivery velocity of OCI virtual networking.\nKey Responsibilities\nSystem Design and Architecture\nDataplane Scalability and Performance\nDesign and implement major C and C++ features for OCI’s high-performance virtual networking dataplane, including routing, NAT, network gateways, and security-policy enforcement.\nOwn complex packet-processing components that support scalable, multi-tenant cloud networking.\nDrive performance improvements across CPU utilization, memory use, concurrency, latency, throughput, and packet-processing efficiency.\nApply and evolve fast dataplane technologies such as DPDK, VirtIO, Linux networking, eBPF/XDP, SR-IOV, SmartNICs, and userspace packet-processing frameworks.\nDefine and execute performance, scale, stress, and load tests; use results to identify bottlenecks and deliver measurable improvements.\nLead system-level design and code reviews, ensuring solutions meet expectations for performance, correctness, reliability, and maintainability.\nReliability and Availability\nDesign and build fault-tolerant gateway and dataplane components that remain available through host failures, network disruptions, and in-service software updates.\nImplement resilient patterns including health checks, graceful draining, retries, timeouts, failover, rollback, and recovery.\nDevelop fault-injection, brownout, failure-recovery, and availability tests for critical network paths.\nDrive safe change management through automated validation, staged rollouts, monitoring, rollback, and recovery procedures.\nObservability and Operational Excellence\nDefine and improve metrics, alarms, dashboards, telemetry, canaries, and health checks for dataplane services.\nIndependently diagnose and resolve complex Linux, networking, performance, and production issues using logs, metrics, traces, packet captures, profilers, and core dumps.\nBuild runbooks, diagnostic tools, and operational automation that reduce time to detect, mitigate, and recover from incidents.\nParticipate in on-call, lead incident investigations for owned components, and deliver durable corrective actions.\nSecurity and Multi-Tenant Isolation\nDesign and implement features that enforce strong tenant isolation, secure traffic handling, and policy enforcement.\nPartner with security teams to identify, prioritize, and remediate vulnerabilities and operational risks.\nEnsure designs, documentation, and operational practices meet applicable security, compliance, and change-management requirements.\nAutomation and Change Management\nBuild and maintain automation and infrastructure-as-code for service development, deployment, monitoring, and operations.\nImprove deployment safety through automated testing, pre-production validation, progressive rollout, and rollback guardrails.\nOwn major platform end to end: design, implementation, testing, deployment, production validation, and ongoing support.\nCore Responsibilities\nPlanning and Execution\nIndependently plan and execute complex work, identifying risks, dependencies, and tradeoffs early.\nManage priorities across multiple initiatives and communicate progress, decisions, and blockers clearly.\nBreak ambiguous technical problems into deliverable milestones and drive them to completion.\nCollaboration and Technical Leadership\nCollaborate across networking, control-plane, infrastructure, security, hardware, and operations teams to deliver shared outcomes.\nLead technical discussions for owned areas and provide thoughtful design and code-review feedback.\nMentor less-experienced engineers in systems programming, debugging, operational practices, and reliable service ownership.\nDocument technical decisions and contribute to team standards, reusable patterns, and engineering knowledge.\nProblem Solving and Continuous Improvement\nResolve complex, cross-layer issues by analyzing evidence from systems, networking, and production telemetry.\nMake sound tradeoffs among performance, reliability, security, maintainability, and delivery speed.\nIdentify and lead practical improvements to development, testing, deployment, observability, and operational workflows.\nStay current with C/C++, cloud networking, Linux, and high-performance dataplane technologies; share relevant knowledge with the team.\nMinimum Job Qualifications\nEducation and/or Experience:\n11 years of experience in software development\nOR\nBachelor's of Technology (B.Tech) Degree in Computer Science, Computer Engineering, Software Engineering, Electrical/Electronics Engineering, Computer Information Systems, Information Systems, Information Technology, Telecommunications, Mathematics, Physics, or related field AND 7 years of experience in software development\nOR\nBachelor's Degree in Computer Science, Computer Engineering, Software Engineering, Electrical/Electronics Engineering, Computer Information Systems, Information Systems, Information Technology, Telecommunications, Mathematics, Physics, or related field AND 7 years of experience in software development\nOR\nMaster's of Technology (M.Tech) Degree in Computer Science, Computer Engineering, Software Engineering, Electrical/Electronics Engineering, Computer Information Systems, Information Systems, Information Technology, Telecommunications, Mathematics, Physics, or related field AND 5 years of experience in software development\nOR\nMaster's Degree in Computer Science, Computer Engineering, Software Engineering, Electrical/Electronics Engineering, Computer Information Systems, Information Systems, Information Technology, Telecommunications, Mathematics, Physics, or related field AND 5 years of experience in software development\nOR\nDoctorate in Computer Science, Computer Engineering, Software Engineering, Electrical/Electronics Engineering, Computer Information Systems, Information Systems, Information Technology, Telecommunications, Mathematics, Physics, or related field AND 3 year of experience in software development.\nJob Skills:\nSame skills as prior level plus;\nData Analysis: Demonstrated ability to analyze and interpret data to produce actionable business insights.\nAgile Methodologies: Demonstrated ability to use agile methodologies to drive continuous improvement and product delivery.\nAutomation: Demonstrated ability in or knowledge of automation, including designing, implementing, and managing automated tools, processes, or systems to streamline operations.\nCompliance: Demonstrated knowledge of and adherence to regulatory, legal, and organizational compliance requirements.\nQuality Assurance: Demonstrated ability in or knowledge of quality assurance, including ensuring adherence to standards and implementing quality control measures.\nScripting Languages: Demonstrated ability in or knowledge of scripting languages, including writing and maintaining scripts to improve system efficiency.\nSoftware Test Plans: Demonstrated ability to develop and execute effective software test plans to validate product quality.\nUser Experience Development: Demonstrated ability in or knowledge of user experience development, including designing intuitive and effective user interfaces and content.\nCode Review: Demonstrated ability to conduct in-depth code reviews for software quality assurance.\nEmbedded Systems: Demonstrated ability to develop embedded systems, balancing hardware and software for optimal performance.\nSoftware Estimation: Demonstrated ability to provide accurate software effort and complexity estimates for project planning and scheduling.\nCloud - Cloud Platforms Experience:\n3 year of academic or professional experience with cloud platforms (e.g., AWS, Azure, Google, Oracle Cloud).\nTesting and Automation Experience:\n5 years of experience working in testing and automation at the system level.\nDistributed Systems Experience:\n4 year of experience working with delivering and operating large-scale distributed systems.\n 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.\nRange and benefit information provided in this posting are specific to the stated locations only\nUS: Hiring Range in USD from: $114,600 to $234,600 per annum. May be eligible for bonus, equity, and compensation deferral.\nOracle 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.\nCandidates are typically placed into the range based on the preceding factors as well as internal peer equity.\nOracle US offers a comprehensive benefits package which includes the following:\n1. Medical, dental, and vision insurance, including expert medical opinion\n2. Short term disability and long term disability\n3. Life insurance and AD&D\n4. Supplemental life insurance (Employee/Spouse/Child)\n5. Health care and dependent care Flexible Spending Accounts\n6. Pre-tax commuter and parking benefits\n7. 401(k) Savings and Investment Plan with company match\n8. 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. 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