Principal Engineer, Shopping & Delivery Infra Pinterest IncPrincipal Engineer, Shopping & Delivery InfraSan Francisco, CARemote$285,452–$449,541 / yearWhat you'll do: Define and drive the long-term technical vision for indexing and retrieval infrastructure across Core, Ads, and Shopping, aligning architecture investments to measurable improvements in freshness, quality, coverage, reliability, and cost efficiency. Partner closely with engineering, product, ML, and infrastructure leaders to align priorities, resolve tradeoffs, and deliver shared platform capabilities that improve retrieval performance across multiple discovery surfaces.
Principal Engineer - Cloudforce One Cloudflare IncPrincipal Engineer - Cloudforce OneSan Francisco, CAYou will operate across the full breadth of Cloudflare Products, diving into whatever problem is most critical - whether that''s redesigning a detection pipeline in Kubernetes, deploying a new mitigation capability at the edge via Workers, building agentic AI workflows that automate analyst tradecraft, or architecting a data system that processes trillions of signals per day. Design and build critical data pipelines and services to collect, enrich, analyze, and expose threat intelligence and abuse signals at massive scale, helping identify Tactics, Techniques, and Procedures (TTPs) and Indicators of Compromise (IOCs).
Principal Engineer, AI Platform Pinterest IncPrincipal Engineer, AI PlatformSan Francisco, CARemote$242,634–$499,541 / yearOur team builds the end-to-end engines for petabyte-scale data orchestration, model training and fine-tuning, and high-performance inference, ensuring our models scale seamlessly to hundreds of millions of inferences per second in service of over 600 million monthly active users. What we're looking for: Deep expertise in AI/ML infrastructure and distributed systems: Hands-on experience designing, building, and operating highly available, production-grade systems at large scale; strong technical judgment; and proficiency in at least one of C++, Java, or Rust.
Principal Software Engineer - AI Engineer JPMorgan Chase & CoPrincipal Software Engineer - AI EngineerPalo Alto, CAArchitects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code quality, and operational outcomes at scale (e.g., AI-driven PR review assistance, test generation/maintenance, release readiness checks, incident triage and root-cause acceleration), while defining guardrails for validation, security, resiliency, and reuse across teams. You will be responsible for hiring, leading, and mentoring a team of Machine Learning and Software Engineers, focusing on best practices in ML engineering, with the goal of elevating team performance to produce high-quality, scalable ML solutions with operational excellence.
NewPrincipal Engineer, Big Data Platform Pinterest IncPrincipal Engineer, Big Data PlatformSan Francisco, CARemote$242,634–$499,541 / yearBuild and scale data infra frameworks and infrastructure to process petabytes-scale datasets, including compute engines, job management, resource management, scheduling and remote shuffling. You'll be working on some of the most exciting big data and AI open source technologies (Flink, Spark, Kubernetes, etc.), at the scale of exabytes of data to help Pinners discover and do what they love.
Principal PCB Physical Design Engineer Advanced Micro Devices IncPrincipal PCB Physical Design EngineerSanta Clara, CATHE ROLE: As a Principal CAD PCB Physical Design Engineer in the Network Technology Solutions Group, NTSG, you will be responsible for the PCB physical design and the technology development for AMD NTSG products in this expanding and strategic market for AMD. THE PERSON: As the Principal CAD PCB Physical Design Engineer, you will lead the design and development of AMD NTSG next-generation networking and server products.
Principal Equipment Engineer BloomEnergyPrincipal Equipment EngineerFremont, CA$155,800–$224,200Our cutting-edge solutions enable unparalleled “time-to-power” capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm. Bloom Energy makes reasonable accommodations, consistent with applicable laws, for the known physical or mental limitations of an otherwise qualified applicant or employee with a disability, who can perform the essential job functions, unless undue hardship would result.
Principal Power Delivery Engineer - AI System Hyve SolutionsPrincipal Power Delivery Engineer - AI SystemFremont, California$214,000–$290,000 / yearTechnical expertise: Deep knowledge of DC/DC conversion, multiphase VR design, 48V/54V architectures, PDN design and analysis, magnetics, and power component selection; experience with power simulation and bench characterization (electronic loads, oscilloscopes, thermal tools). This Principal-level individual contributor role owns the architecture, design, and validation of power delivery for Hyve's AI and compute server platforms—from 48V/54V input and intermediate bus conversion through point-of-load regulation for GPUs, CPUs, and memory.
Principal Firmware Engineer - AI System/OpenBMC Hyve SolutionsPrincipal Firmware Engineer - AI System/OpenBMCFremont, California$214,000–$290,000 / yearThis Principal-level role owns BMC firmware architecture and development—built on OpenBMC—for Hyve's next-generation AI and compute server platforms, spanning manageability, telemetry, power/thermal control, security, and manufacturing enablement in close partnership with hardware and Hyperscaler customers. Technical expertise: Strong C/C++ and embedded Linux skills; deep knowledge of OpenBMC, Redfish, IPMI, I2C/I3C, PMBus, SPI, and platform management interfaces; experience with secure boot, firmware update, and RoT.
Principal Power Engineer Cowboy SpacePrincipal Power EngineerSan Carlos, California$155,000–$245,000 / yearOur satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities—from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit compute to delivering secure, high-bandwidth optical data. Export Control Requirement: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Principal Epitaxial Engineer The Hiring MethodPrincipal Epitaxial EngineerFremont, CaliforniaA global leader in compound semiconductor and photonics technology is seeking a Lead / Principal Epitaxial Engineer to lead the development of advanced MOCVD epitaxial growth processes supporting next-generation InP and GaAs optoelectronic devices. The successful candidate will partner closely with Device Design, Product Engineering, and Manufacturing teams to develop new epitaxial structures, improve device performance, and drive process capability from R&D through production.
Principal Systems Design Engineer Advanced Micro Devices IncPrincipal Systems Design EngineerSan Jose, CAAs a key contributor to the success of AMD's product, you will be part of a leading team to drive and improve AMD's abilities to deliver the highest quality, industry-leading technologies to market. We push the limits of innovation to solve the world's most important challenges-striving for execution excellence, while being direct, humble, collaborative, and inclusive of diverse perspectives.
Principal Power System Engineer (Datacenter) Power Integrations IncPrincipal Power System Engineer (Datacenter)San Jose, CAYou will work closely with the new product development team to create novel applications for high-frequency power converters using state-of-the-art GaN and silicon technologies, and to deliver differentiated solutions that address critical customer needs. In this role, you will contribute to the development of high-density power converters, intermediate bus converter (IBC) modules, and protection circuits for next-generation AI and data center systems using Power Integrations products and technologies.
Principal Design Engineer DustPhotonics LtdPrincipal Design EngineerSan Jose, CA$180,000–$250,000 / yearOur product portfolio includes ZeroFlap (ZF) Active Electrical Cables (AECs) and ZF optical transceivers, OmniConnect memory solutions, and a suite of retimers and DSPs for optical and copper Ethernet and PCIe, all leveraging the PILOT diagnostic and analytics software platform. In this role, you will be responsible for the RTL architecture, design, implementation, and verification of advanced SerDes PHY Digital Signal Processing (DSP) blocks used in next-generation networking, AI, data center, and high-performance computing products.
Principal Software Development Engineer - Compiler & ML Acceleration Advanced Micro Devices IncPrincipal Software Development Engineer - Compiler & ML AccelerationSan Jose, CATHE PERSON: We are looking for a Principal Software Development Engineer to lead technical development in compiler technology, MLIR-based infrastructure, and model-to-hardware optimization, with a strong focus on enabling high-performance execution for AI workloads. THE ROLE: AMD is building the next generation of compiler and software infrastructure to accelerate Large Language Models (LLMs) and ML workloads on emerging accelerator architectures.
Principal AI Performance Engineer Advanced Micro Devices IncPrincipal AI Performance EngineerSan Jose, CAKEY RESPONSIBILITIES: Drive performance optimization end-to-end across the stack on leading models and customer-relevant serving configurations, closing competitive gaps through kernel and systems-level optimizations. Diagnose kernel-level performance issues using profiling tools: identify occupancy limitations, L2 cache thrashing, register pressure, memory coalescing issues, etc, and translate findings into actionable optimizations.
Sr Principal HW Design Engineer/HW Architect Cadence Design Systems IncSr Principal HW Design Engineer/HW ArchitectSan Jose, CA$178,500–$331,500 / yearMaintain a strong, high level of competence in Electrical and/or Computer engineering to promote the incorporation of relevant technology into products and/or processes; and provide leadership and guidance to junior technical staff members. This position requires to architect systems, design boards, schematic entry, work with layout engineers to do PCB layout, signal integrity knowledge, bring-up, and sustain the current hardware platforms.
Principal Collateral Device Engineer Intel CorpPrincipal Collateral Device EngineerSanta Clara, CA$224,970–$317,600 / yearBusiness group: Intel Foundry strives to make every facet of semiconductor manufacturing state-of-the-art while delighting our customers -- from delivering cutting-edge silicon process and packaging technology leadership for the AI era, enabling our customers to design leadership products, global manufacturing scale and supply chain, through the continuous yield improvements to advanced packaging all the way to final test and assembly. Employees in the Foundry Technology Manufacturing are part of a worldwide factory network that designs, develops, manufactures, and assembly/test packages the compute devices to improve the lives of every person on Earth.
Principal Mechanical Engineer Advanced Micro Devices IncPrincipal Mechanical EngineerSan Jose, CAThis position is especially suited for top-tier talent from semiconductor and high-performance hardware companies with strong experience in advanced packaging, mechanical design, mechanical stress simulation, and manufacturing execution who want to remain technically involved while also helping guide packaging strategy, engineering excellence, and future team growth. THE PERSON: The ideal candidate brings the technical depth of a principal-level individual contributor, the judgment of a senior engineering leader, and the hands-on capability to personally drive modeling, design reviews, supplier engagement, and problem resolution from concept through NPI, qualification, and production ramp.
Principal Hardware Engineer / Director of Hardware Arable Labs, Inc.Principal Hardware Engineer / Director of HardwareSan Francisco, CAProvide technical leadership and mentorship, helping to influence technology direction and build long-term organizational capability. We are seeking a senior hardware leader to spearhead the development of our hardware ecosystem, including the Arable Mark 3 and future sensing platforms.