Principal Product Manager - Ads Auction and Measurements (Remote - United States) Yelp, IncPrincipal Product Manager - Ads Auction and Measurements (Remote - United States)San Francisco, CaliforniaRemote$207,000–$326,000 / yearFull timeIndependent Data Analysis: Conduct hands-on analysis of large-scale auction and advertising datasets using tools like SQL and Python to uncover optimization opportunities, validate hypotheses, understand performance drivers, and inform product decisions. What you'll do: Auction Strategy & Roadmap: Define and drive the product roadmap for Yelp's ads auction, bidding algorithms, pricing mechanisms, and budget pacing systems, ensuring alignment with business objectives and competitive dynamics.
Principal Engineer - AI and Compute Server Design Hyve SolutionsPrincipal Engineer - AI and Compute Server DesignFremont, CaliforniaTechnical expertise: Deep understanding of high-speed interfaces (PCIe Gen5/6, CXL, NVLink, Ethernet), power delivery networks, SI/PDN design, thermal considerations, and complex multi-board systems; demonstrated success leading EVT/DVT/PVT validation and manufacturing ramp. As a Principal Engineer on the AI and Compute Server Design team, you will own the end-to-end hardware design of next-generation GPU and compute servers and help build the platforms that power the next generation of AI infrastructure.
Sr. Principal Plating Engineer FormFactorSr. Principal Plating EngineerLivermore, CaliforniaThis role combines deep expertise in electrochemistry, materials science, semiconductor processing, and advanced metallurgy with the ability to solve highly complex technical challenges that have significant impact on FormFactor's technology roadmap and competitive advantage. Principal Plating Engineer (MEMS R&D) serves as a recognized technical authority responsible for defining, developing, and implementing advanced electroplating technologies, metallurgical innovations, and process integration strategies for MEMS probe fabrication.
Sr. Principal QA Engineer FormFactorSr. Principal QA EngineerLivermore, California8D Methodology, CAPA System, Change Control Processes, Change Management, Cross-Functional Leadership, Customer Audits, ISO 9001, Problem Solving Tools, Project Management, Quality Analysis, Quality Engineering, Quality Management, Quality Management System Auditing, Quality Management Systems (QMS), Quality Methods, Stakeholder Management, Systems Thinking Education & Experience: This role serves as the business process owner for critical quality system processes, including corrective and preventive actions (CAPA), audit programs, change control governance, management reviews, quality system effectiveness, and quality system module/workflow ownership within the eQMS.
Principal Deposits Patelco Credit UnionPrincipal DepositsDublin, California$137,485–$171,866 / yearFull timeAs a recognized subject matter expert and emerging executive leader, the Principal, Deposits influences enterprise-wide decisions, partners with senior leadership across the organization, and drives initiatives that impact member experience, balance sheet performance, and organizational growth. This role serves as a key advisor to executive leadership and is accountable for developing and executing enterprise deposit strategies that support growth, customer acquisition, funding objectives, profitability, and competitive differentiation.
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 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.
Machine Learning Engineer (Staff & Principal) Tubi, Inc.Machine Learning Engineer (Staff & Principal)San Francisco, CA$239,000–$342,000 / yearFor all full-time, regular employees, in lieu of FOX Paid Parental Leave, Tubi offers a generous Parental Leave Program, which allows parents twelve (12) weeks of paid bonding leave within the first year of birth, adoption, surrogacy, or foster placement of a child in addition to applicable government leave program(s) and FOX's short-term disability policy. As a senior technical expert, you will tackle complex problems in machine learning at scale, collaborating closely with cross-functional teams to develop and optimize machine learning-driven solutions.
Principal Applied Scientist Elevance HealthPrincipal Applied ScientistWalnut Creek, CaliforniaThe Principal Applied Scientist is responsible for leading the design, development, deployment, and scaling of advanced artificial intelligence and machine learning solutions that drive enterprise transformation and measurable business outcomes. We are a Fortune 25 company with a longstanding history in the healthcare industry, looking for leaders at all levels of the organization who are passionate about making an impact on our members and the communities we serve.
NewPrincipal Product Manager, Global Payments Platform and Controls ZipPrincipal Product Manager, Global Payments Platform and ControlsSan Francisco, California$200,000–$280,000 / yearYou will drive product development across the payments platform -- including bank integrations, payment provider partnerships, payout management, and payment routing -- as well as payment controls covering risk and fraud prevention, bank account verification, payment onboarding, currency management, and payment compliance. You will partner closely with Engineering, Design, Payment Operations, and cross-functional teams to deliver reliable, scalable payment infrastructure, proactively mitigate payment fraud, ensure smooth and secure payment onboarding, and manage payment compliance with confidence at enterprise scale.
Principal Counsel, Corporate PerplexityPrincipal Counsel, CorporateSan Francisco, CaliforniaBuild and scale corporate legal infrastructure, including consent and resolution precedent libraries, grant and vesting exhibit templates, signature and approval workflows, entity management systems, and formation and foreign-qualification processes for domestic and international expansion. This is a high-impact, hands-on role for a corporate attorney who thrives in fast-paced environments, is comfortable being the first and only owner of a workstream, and is excited to help build a best-in-class legal function at one of the most consequential AI companies in the world.
Senior Principal Product Manager, Member Experience Twin HealthSenior Principal Product Manager, Member ExperienceMenlo Park, CARemote$230,000–$255,000 / yearTwin has an ambitious vision to empower people to live healthier and happier lives, and to achieve this purpose, we need the very best people to enhance our cutting-edge technology and medical science, deliver the best possible care, and turn our passion into value for our members, partners and investors. With more than $100 million raised in recent funding, including a $53 million Series E round in 2025 led by Maj Invest, and a $50 million investment in 2023 led by Temasek, Twin is scaling rapidly across the U.S. and globally.
Principal Product Manager, AI ZipPrincipal Product Manager, AISan Francisco, CaliforniaOwn the quality bar for AI experiences end to end, designing the evals, rollout gates, guardrails, and feedback loops that let customers trust agents to act on their behalf, and holding the line on accuracy and reliability even as capabilities expand. Zip recently launched Superagents: LLM-powered teammates that take on the repetitive, low-value work drowning procurement, AP, risk, and legal teams so those teams can focus on strategic work.
Principal Product Manager, Identity ZipPrincipal Product Manager, IdentitySan Francisco, CaliforniaYou will define and deliver platform-level features that support our largest enterprise customers, ensure world-class security and governance, and enable teams across Zip to build consistent, performant, and compliant product experiences. Zip’s team includes product leaders from Apple, Airbnb, and Meta, as well as former procurement leaders from United Health, Sanofi, MGM Resorts, Discover, and NASA.
Lead, Senior, or Principal Biologist SWCA Environmental ConsultantsLead, Senior, or Principal BiologistHalf Moon Bay, California$97,344–$127,196 / yearCandidates are also encouraged to consider SWCA’s Total Rewards package, which includes a competitive benefits package ( https://www.swca.com/careers/benefits-wellness/ ), forward-thinking workplace flexibility, outstanding corporate culture, award-winning career development, and more. We are seeking a candidate who is looking to develop or continue a long-term consulting career that combines high-level technical expertise, business acumen, and the potential for leadership.
Principal Field Applications Engineer FlexPrincipal Field Applications EngineerMilpitas, CA$153,500–$211,000 / yearWhat a typical day looks like: Provide best in class support by closing customer technical support questions related to manufacturing capabilities, including design, fabrication and assembly abilities. Develop and present technical seminars for customers and sales personnel to promote employer's manufacturing capabilities, services, available technologies, manufacturing process and quality.
Principal Solutions Architect ZyphraPrincipal Solutions ArchitectSan Francisco, CaliforniaBuilding and maintaining a library of reusable technical assets: model evaluation frameworks, fine-tuning guides, deployment architectures, API integration playbooks, and use-case demos that accelerate how partners and customers adopt Zyphra's models. Deep technical fluency across one or more of Zyphra’s core domains: large language models and model architecture, multimodal AI, speech and audio synthesis, brain-computer interfaces and neural signal processing, or agentic AI systems.
Principal IAM Engineer Blackhawk NetworkPrincipal IAM EngineerPleasanton, CA$170,360–$230,000 / yearThis role combines deep technical mastery in areas like identity lifecycle management, access governance, privileged access management, and authentication/authorization protocols with influential leadership that guides both technology decisions and organizational IAM maturity. As a Principal IAM Engineer, you'll lead the strategic vision and technical direction of our identity and access management program, shaping how we leverage IAM principles and emerging technologies to build a world-class identity governance framework.
Principal LLM Application Engineer AllyNd PartnersPrincipal LLM Application EngineerPalo Alto, CaliforniaThe products purpose-built language agents respond to new threat actors and attack patterns within minutes, with its agentic workflows delivering end-to-end threat detection and containment from integrated feeds of raw cyber threat advisories. AllyNd's client is driving SOC transformation with its unique application of AI computing, initially focusing on generative AI-powered proactive threat research, threat analysis, and iterative threat hunting.