1,023 Results for

Principal Jobs in Los Gatos, CA

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Principal Design Verification Engineer (Silicon Engineering) SpaceX

Sunnyvale, CA

$210,000–$310,000 / year

We are seeking a motivated, proactive, and intellectually curious engineer who will work alongside world-class cross-disciplinary teams (systems, firmware, architecture, design, validation, product engineering, ASIC implementation). To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

30+ days ago

Principal Researcher – Macro & Geopolitical Perspective Straits Meridian Capital Office

San Jose, CA

Remote

We are looking for an analyst with a deep understanding of how geopolitical developments, macroeconomic transitions, and industrial policy intersect to shape capital flows and investment risk — with primary coverage across East Asia, Southeast Asia, North America, and Europe. Institutional affinity: We are especially interested in candidates whose work has been shaped by settings such as Chatham House, IISS, Carnegie Endowment, Council on Foreign Relations, Stimson Center, or equivalent geopolitical research institutions.

30+ days ago

Principal Design Verification Engineer - CPU Core Hardware Prefetch SiFive

Santa Clara, CA

The primary technical scope of this role is advanced hardware prefetch verification, with emphasis on prefetch training behavior, stream detection and replacement, request generation, issue-queue behavior, DCache interactions, feedback-driven aggressiveness control, CSR configurability, and functional correctness across block-level and core-level integration contexts. SiFive's unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer.

30+ days ago

Principal Software Engineer (Security & Policy Platform) (Remote) Cisco

San Jose, California

Remote

The applicable full salary ranges for this position, by specific state, are listed below: New York City Metro Area: $250,600.00 - $416,900.00 Non-Metro New York state & Washington state: $241,400.00 - $371,000.00 * For quota-based sales roles on Cisco’s sales plan, the ranges provided in this posting include base pay and sales target incentive compensation combined. Minimum Qualifications: Bachelor’s degree or higher in Computer Science, Electrical Engineering, or a related technical field with 12+ years of experience designing and developing large-scale software, platform, or distributed systems.

21 days ago

Principal Hardware Engineer InterSources Inc.

San Jose, CA

Quick Apply

We align strategy with execution and provide secure service solutions by developing and using the latest technologies that thrive our resources to deliver industry-leading capabilities to our clients and customers, making it convenient for our clients to do business with InterSources Inc. We provide strategic and technical advice, and we have expertise in areas covering Artificial Intelligence, Cloud Migration, Custom Software Development, Data Analytics Infrastructure & Cloud Solutions, Cyber Security Services, etc.

15 days ago

Principal Product Manager - WEM Analytics and Planning ServiceNow Inc

Santa Clara, CA

$166,500–$291,400 / year

As a Principal Product Manager (IC4) for Workforce Engagement Management (WEM) in the CRM Omnichannel Contact Center domain, you will own product strategy and execution across the following capability areas: Real‑time Monitoring of Channels including native Voice and Chat channels. Product managers at ServiceNow operate at the intersection of market opportunity, customer experience design, technology development, and delivering value to our customers-now increasingly via governed AI and agentic workflows embedded directly inside work.

24 days ago

Principal Software Architect - AI & Security Mainspring Energy

Menlo Park, California

$227,500–$280,000 / year

Architectural Leadership & Domain Expertise: Drive the integration of Generative AI across the product development life cycle stages, applying extensive experience in distributed systems, data and IoT architecture; strong preference for candidates with a demonstrated track record in industrial automation, energy-grid management, or power-generation & distributions industries. AI-Enabled Digital Twin Validation: Design validation pipelines that leverage agentic Digital Twin simulations to stress-test software stack in a lab environment (utilizing Hardware-in-the-Loop/HWIL), ensuring system reliability and safety under diverse, high-volatility grid-edge conditions prior to deployment.

5 days ago

Principal Mechanical Engineer Mainspring Energy

Menlo Park, California

$210,000–$247,000 / year

In this role, you will shape long-term technical direction, define or strongly influence architecture and design principles, guide high-consequence technical decisions, and help the organization solve problems that are novel, ambiguous, and central to long-term product and business success. Experience developing hardware for energy systems, engines, generators, compressors, pumps, thermal systems, fluid systems, structures, high-cycle fatigue environments, precision alignment systems, electromechanical systems, or industrial equipment.

5 days ago

Principal Engineer, Mapping and Localization PlusAI

Santa Clara, CA

Design and implement robust, real-time algorithms for sensor fusion, visual/LiDAR odometry, and global localization using techniques like Factor Graphs, EKF/UKF, and particle filters. You will tackle the hardest edge cases—from GPS-denied tunnels to dynamic construction zones—ensuring our vehicles operate safely in complex L4 ODDs (Operational Design Domains).

30+ days ago

Principal Software Engineer, Sensor - Mac, Linux, Or Windows (Hybrid) CrowdStrike

Sunnyvale, CA

$210,000–$320,000 / year

The cloud component aggregates sensor telemetry for each customer's network, correlates malicious behavior across multiple machines, and presents our customers' operations teams with a prioritized summary of the threats detected in their environments. This is a Principal Software Development Engineer (SDE) role in the CTIO team that delivers the cutting edge innovation for our sensor (lightweight agent) for Linux, Windows, and Mac OS platforms.

24 days ago

Principal Machine Learning Engineer Atlassian

Mountain View, California

$236,700–$309,025 / year

Overview: As a Principal Machine Learning Engineer, you will drive the development and implementation of cutting-edge machine learning algorithms, training sophisticated models, and collaborating with product, engineering, and analytics teams to build AI functionalities into Atlassian products and services. Your daily responsibilities will encompass a broad spectrum of tasks — designing system and model architectures, conducting rigorous experimentation and model evaluations, and providing guidance to emerging ML engineers.

30+ days ago

Principal Architect, Performance Analysis and Modeling d-Matrix Corp

Santa Clara, CA

This role focuses on emerging hardware technologies (DIMC, D2D, 3D-DRAM) and emerging workloads (generative inference, multi-modal LLMs) - building the analytical models and simulation tools that let the architecture team project performance on current and future d-Matrix silicon. Youll work closely with Hardware Design, Compiler, Inference Server, and Kernels teams, translating workload analysis into concrete modeling inputs and surfacing HW/SW improvement opportunities.

30+ days ago

Principal Software Development Engineer - Cloud Platform Expedia Group Inc

San Jose, CA

Expedia Group's family of brands includes: Brand Expedia, Hotels.com, Expedia Partner Solutions, Vrbo, trivago, Orbitz, Travelocity, Hotwire, Wotif, ebookers, CheapTickets, Expedia Group Media Solutions, Expedia Local Expert, CarRentals.com, and Expedia Cruises. The Cloud Platform organization provides the secure, scalable cloud infrastructure, runtime platforms, and developer experience tooling that enable teams across Expedia Group to build, deploy, and operate high-quality, resilient software quickly and safely.

30+ days ago

Principal Machine Learning Engineer, Ads Modeling Unity Software Inc

Mountain View, CA

$250,300–$325,400 / year

While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program. This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

18 days ago

Sr Principal Product Manager - Norton VPN & Point Solutions Gen Digital Inc

Mountain View, CA

$220,000–$240,000 / year

Communicate product strategy, portfolio performance, and roadmap priorities clearly to senior stakeholders - including executive leadership and cross-functional partners. Identify opportunities to improve conversion, activation, and cross-sell rates across the point solutions portfolio, working closely with marketing and data science to run and measure experiments.

30+ days ago

Principal Site Reliability Engineer Saviynt

Milpitas, CA

$260,000–$275,000 / year

Design and implement shared Event-Driven Architecture components and messaging platforms using technologies like Kafka or Google Pub/Sub that product teams can easily utilize. You will focus on creating reusable, reliable, and scalable solutions that abstract away complexity, enabling other teams to focus on their core business logic and deliver features faster in a multi-cloud environment.

21 days ago

Principal AI Research Scientist, Research Director - AI Scaling DataBricks

Mountain View, CA

$270,000–$340,000 / year

As a Principal Research Scientist- AI Scaling, you will lead a team of world‑class researchers and engineers to advance the state of the art in large‑scale machine learning, focusing on post-training, RL and inference efficiency, optimization, and scaling. The Databricks AI Research organization enables companies to develop AI models and agents using their own data, with technologies ranging from post-training open source LLMs to developing advanced multi-agent architectures.

30+ days ago

Principal Product Marketing Manager, Firefly ADOBE Inc

San Jose, CA

$180,300–$261,150 / year

Adobe's industry-leading offerings including Adobe Acrobat Studio, Adobe Express, Adobe Firefly, Creative Cloud, Adobe Experience Platform, Adobe Experience Manager, and GenStudio enable people and businesses to turn ideas into impact, powered by AI and driven by human ingenuity. Partner with inbound PMM teams to translate customer insights and use cases into outbound Firefly marketing strategy for Creative Cloud desktop app users, including integration with existing workflows and AI-native evolution of Creative Cloud desktop apps.

30+ days ago

Principal Integration Solution Architect - Energy & Utilities Black & Veatch Holding Co

San Jose, CA

$196,638–$328,354 / year

Our Technology Solutions team is at the forefront of innovation across Grid Modernization, Operational Technology (OT), Advanced Metering Infrastructure (AMI), and Customer Technologies - enabling true convergence of physical and digital systems. Lead evaluation, selection, and adoption of integration platforms and middleware, including MuleSoft, Azure Integration Services, Boomi, Apigee, IBM webMethods, Workato, Kafka, and similar technologies.

30+ days ago

Principal Network Engineer (Starlink Ground Network) SpaceX

Palo Alto, CA

$200,000–$285,000 / year

Bachelor’s degree in a technical or engineering discipline; OR 2+ years of professional networking experience deploying enterprise network solutions and/or cloud & web-scale networks in lieu of a degree. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

14 days ago

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Principal Jobs in Los Gatos, CA

Principal Design Verification Engineer (Silicon Engineering) SpaceX

Principal Researcher – Macro & Geopolitical Perspective Straits Meridian Capital Office

Principal Design Verification Engineer - CPU Core Hardware Prefetch SiFive

Principal Software Engineer (Security & Policy Platform) (Remote) Cisco

Principal Hardware Engineer InterSources Inc.

Principal Product Manager - WEM Analytics and Planning ServiceNow Inc

Principal Software Architect - AI & Security Mainspring Energy

Principal Mechanical Engineer Mainspring Energy

Principal Engineer, Mapping and Localization PlusAI

Principal Software Engineer, Sensor - Mac, Linux, Or Windows (Hybrid) CrowdStrike

Principal Machine Learning Engineer Atlassian

Principal Architect, Performance Analysis and Modeling d-Matrix Corp

Principal Software Development Engineer - Cloud Platform Expedia Group Inc

Principal Machine Learning Engineer, Ads Modeling Unity Software Inc

Sr Principal Product Manager - Norton VPN & Point Solutions Gen Digital Inc

Principal Site Reliability Engineer Saviynt

Principal AI Research Scientist, Research Director - AI Scaling DataBricks

Principal Product Marketing Manager, Firefly ADOBE Inc

Principal Integration Solution Architect - Energy & Utilities Black & Veatch Holding Co

Principal Network Engineer (Starlink Ground Network) SpaceX

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