Principal Engineer, Data Center Deployment Ops DigitalOcean LLCPrincipal Engineer, Data Center Deployment OpsSan Francisco, CARemote$184,000–$231,000 / yearWhat You'll Be Doing: Defining and owning DigitalOcean''s reference architectures for next-generation Data Center environments, navigating shifts in technology, networking topologies, and AI/ML hardware roadmaps to keep facility designs future-proofed. Architecting end-to-end power topologies with vendor teams to support diverse hardware across medium to ultra-high-density rack deployments, moving from 415VAC to 800VDC.
Principal Engineer, Core - Pinner Journeys Pinterest IncPrincipal Engineer, Core - Pinner JourneysSan Francisco, CARemote$242,634–$449,541 / yearYou will operate as a cross-cutting technical leader: defining long-term architecture, raising the bar on ML and systems excellence, and partnering closely with product and executive leadership to drive step‑function improvements in engagement, quality, and creator value. Provide hands-on technical leadership on a small number of high-leverage projects: design critical components, review designs/PRs, de-risk complex launches, and mentor senior engineers and staff+ TLs.
Principal Engineer, Shopping & Delivery Infra Pinterest IncPrincipal Engineer, Shopping & Delivery InfraPalo Alto, 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, Online Systems Pinterest IncPrincipal Engineer, Online SystemsSan Francisco, CA$285,452–$499,541 / yearWhat we're looking for: 12+ years of software engineering experience with deep expertise in distributed systems, especially online serving, storage, and caching systems: hands-on experience building and operating highly available, reliable, production-grade systems at large scale; strong technical judgment in reliability, scalability, performance, and infrastructure efficiency; proficiency in at least one of C++, Java, or Python. Proven track record driving large-scale technical impact: experience leading reliability and scalability improvements, cost efficiency initiatives, and modernization efforts across critical production systems; able to define technical strategy, influence architecture decisions, and drive execution through cross-functional collaboration, strong communication, and operational excellence.
Staff Software Engineer, Core Infrastructure ScribdStaff Software Engineer, Core InfrastructureSan Francisco, CaliforniaIt provides transactional storage, dataset transforms with full lineage tracking, low-latency online reads, and the governance layer (access control, trust, deletion propagation) for our most valuable asset: the content that powers our products and our inference-driven features. Raise the engineering bar on the team through mentorship, design reviews, and improvements to our developer environment, including making agentic AI workflows more effective within our codebase while preserving quality, security, and ownership.
Senior Supply Engineer (K7, K1 Family, H1) Knightscope IncSenior Supply Engineer (K7, K1 Family, H1)Sunnyvale, CA$165,000–$190,000 / yearProvide ready-five technical escalation - build direct relationships with the principal engineers at every top-30% supplier; make hot-fix, failure analysis, and design consultation accessible in hours rather than weeks; read drawings, understand the platform at module level, and write the engineering escalation email yourself. Drive supplier cyber compliance and software supply chain security - qualify suppliers against NIST 800-171, CMMC, SBOM completeness, and signed-update mechanisms, serving as the supply-chain-side counterpart to the Director of Cybersecurity through contract language and ongoing posture monitoring.
Principal Silicon Design Verification Engineer Microsoft CorpPrincipal Silicon Design Verification EngineerMountain View, CA$142,800–$274,800 / yearRequired Qualifications: Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience. 10+ years of experience in pre-silicon validation with a proven track record of delivering high performance Network switches/accelerators, Central Processing Unit (CPU), Vector processors and Graphics Processing Unit (GPU's) or relevant experience.
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 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 Photonic Device Design Engineer The Hiring MethodPrincipal Photonic Device Design EngineerFremont, CaliforniaA global leader in optical communications technology is seeking a Principal Design Engineer to lead the design and development of next-generation high-speed InGaAs/Indium Phosphide (InP) photodiodes used in advanced optical communication and sensing applications. Working alongside world-class engineers, you'll drive innovation from concept through production while helping develop the next generation of optoelectronic devices that power AI infrastructure, high-speed networking, and advanced photonic technologies.
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 Delivery Engineer - AI System Hyve SolutionsPrincipal Power Delivery Engineer - AI SystemFremont, CaliforniaTechnical 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 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.
NewSenior Principal Supply Chain Engineer - HDD Western Digital CorpSenior Principal Supply Chain Engineer - HDDSan Jose, CAThe Supply Chain Innovation Manager partners closely with industry ecosystem, strategic suppliers, and internal cross‑functional teams to enable new technologies, reduce total cost of ownership (TCO), and strengthen supplier manufacturing capability, capacity, quality, sustainability, and resilience. The ideal candidate combines strong technical acumen with supplier-facing leadership, using data, structured problem-solving, and collaboration to translate emerging technologies into scalable, cost-effective, and resilient supply chain solutions.
Senior Principal Engineer Atlassian CorpSenior Principal EngineerSan Francisco, CABecause Dev Infra builds and stress tests the same class of developer tools Atlassian sells, what you build shapes both how Atlassian ships software and what Atlassian ships to millions of developers. Deep expertise building large scale systems in one or more of: distributed systems and cloud infrastructure, developer platforms, data and measurement systems, or applied AI.
Principal Field Solution Engineer Cognizant Technology Solutions CorpPrincipal Field Solution EngineerSouth San Francisco, CABy clicking "Accept All", you agree to the storing of cookies on your device to give you the most optimal experience using our website. We may also use cookies to enhance performance, analyse site usage and to personalise your experience.
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.
Principal Product Engineer - Virtual Protocols Cadence Design Systems IncPrincipal Product Engineer - Virtual ProtocolsSan Jose, CA$136,500–$253,500 / yearThis position presents exciting opportunities and challenges of becoming an expert in System Level Software Driven Verification use models that leverage advanced protocol engines operating on Cadences Palladium and Protium Emulation products to enable the critical shift-left of System Level SOC verification and Validation for Cadence customers. Their responsibilities can be but are not limited to: Using expertise in OS, kernel, and driver SW development to support Cadence VirtualBridge products that combine a Virtual Machine running a production OS with the customers SOC Design running on Cadences Palladium emulation or Protium Prototyping platforms.
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 Robotics Functional Safety Engineer Agility Robotics IncPrincipal Robotics Functional Safety EngineerFremont, CA$207,000–$269,000 / yearThis is a high-impact role for an engineer who wants to shape the safety of complex robotic systems from architecture through deployment, and to help set functional safety direction across the broader engineering organization, not just a single product line. Agility's commercially deployed humanoids operate alongside teams in warehouses, manufacturing facilities, and distribution centers-tackling physically demanding and repetitive tasks while enabling workers to focus on higher-value work.