Principal Researcher
$167.3k - $250.9kFujitsu
Job Location Santa Clara, California Location Flexibility: Multiple Locations in Country Req Id: 8182 Posting Start Date: 5/27/26 Overview At Fujitsu, we are driven by our purpose to make the world more sustainable by building trust in society through innovation. We have been a pioneer in technology and innovation for over 80 years, and we are committed to using our expertise to help businesses and organizations transform for the digital age. We believe that digital transformation is essential to creating a more sustainable future. That's why we are working with our customers to develop solutions that can help them reduce their environmental impact, improve their efficiency, and create a more equitable society. We are committed to contributing to the United Nations Sustainable Development Goals (SDGs). These goals are a blueprint for a better future for all, and we believe that technology can play a vital role in achieving them. If you share our passion for making a meaningful impact on the world, we invite you to join our global family of 130,000 employees spanning more than 50 countries. We are a diverse workforce, and we offer a wide range of opportunities for you to grow and develop your career. Together, we can create a more sustainable future for all. Company Overview FUJITSU RESEARCH OF AMERICA, INC. (FRA) was established in 1993 as a wholly owned subsidiary of Fujitsu Laboratories Ltd., which is a wholly owned subsidiary of Fujitsu Ltd. FRA conducts advanced research in Artificial Intelligence, Data Science, System Components and Platform Innovations, Network and Trusted Systems Innovations, and Internet Service Innovations. Job Description Research Multi‑AI Agents systems Build and evaluate world models for AI agents in enterprise applications Train both domain‑specific and general domain models Improve agent performance with and without world models Deliver reproducible results with the goal of submitting a publication to a top AI conference Qualifications At least 3 publications as the first author appearing in top AI conferences of the past 3 years Ph.D. in Computer Science, Data Science, Electrical Engineering, Mechanical Engineering, Mathematics, or Physics with research background in Artificial Intelligence, machine learning, natural language processing, or software engineering Research experience with LLMs, agentic tool use, agentic memory, and agentic post‑training Strong publication record demonstrated by accepted or published research papers in high‑quality AI/ML conferences and/or journals Fujitsu salaries are aligned to the specific geographic location in which the work is primarily performed. It is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the circumstances of each situation. The pay range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to: specific skills, qualifications, experience, and comparison to other employees already in this role. The pay range for this position is estimated at $167,300 to $250,900 USD. Additionally, this role may be eligible for a short‑term incentive based on company results and individual performance. As a technology company, Fujitsu recognizes that human resources are its most important capital. To create an environment where all employees can work positively and healthily, both in mind and body, we offer a full range of health, 401K, and other benefits. Relocation Supported: Yes Visa Sponsorship Approved: Yes We are an equal opportunity employer and qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, marital status, sexual orientation, gender identity or expression, genetic information, veteran status, or any other characteristic protected by law. California Consumer Privacy Act (CCPA), read here. #J-18808-Ljbffr Fujitsu
$188k - $304.08k
...culture that values trust, accountability, and shared success where your work truly matters.Job SummaryWe are seeking a Senior Principal Threat Researcher for our Unit 42 Threat Intelligence team to lead coordination for threat research, product protection, and communication...PrincipalFull timeRemote work$162.7k - $263.18k
...decoding network protocols, identifying applications, and detecting threats across our enterprise customers’ networks.As a Principal Security Researcher, you will play a key technical leadership role in shaping how ATP detects and prevents real-world attacks. You will...PrincipalFull timeWork at office$162.7k - $263.18k
...on various advanced cybersecurity products. Your ImpactResearch networking protocols and related application networking behavior.Research file types and file properties.Research and provide defense mechanisms against popular protocol/firewall evasionsDevelop protocol...PrincipalFull timeWork at office$238.9k - $305.5k
...approach that is truly flexible to support where, when, and how you do your best work.The Advanced Technology Group (ATG) is the research division of the company. ATG’s mission is to look ahead, deliver insights, and innovate technological solutions that will fuel Dolby...PrincipalFull timeLocal areaWorldwideFlexible hours$162.7k - $263.18k
...problem-solving, stronger relationships, and the kind of precision that drives great outcomes.Job SummaryYour CareerAs a Principal Security Researcher, you will work at the forefront of AI-assisted vulnerability research, focusing on the design, implementation, and...PrincipalFull timeWork at office$160k - $250k
Job Location: Santa Clara, California Role: Quantum Applications Researcher - Fujitsu Research of America, Inc. (FRA) We are seeking a highly accomplished researcher to advance our research and product strategy across quantum optimization, quantum AI/ML, quantum simulation...PrincipalTemporary workVisa sponsorshipRelocation package- Fujitsu is looking for a research-focused individual in Santa Clara, California, to work on Multi-AI Agents systems. The role involves building and evaluating world models for AI agents, delivering reproducible results for publication in leading AI conferences, and improving...PrincipalVisa sponsorshipRelocation package
$170k - $240k
Are you a creative, risk‑taking researcher who excels at driving innovation from the lab into the real world? Do you thrive on solving... ...contracts to push our technology forward. Serve in the role of Principal Investigator and/or Staff Member on externally‑funded research...PrincipalContract workWork from homeHome officeFlexible hours$162.7k - $263.18k
...platform, Cortex allows security operations teams to speed the analysis of massive data sets. Join the elite Vulnerability Assessment Research team within Cortex Exposure Management and be at the forefront of cybersecurity! You’ll be instrumental in groundbreaking research...PrincipalWork at officeVisa sponsorshipWork visa- ...Principal Researcher – Macro & Geopolitical Perspective Remote · Freelance · Competitive Retainer About SMCO Straits Meridian Capital Office (SMCO) is a research-driven capital platform. We operate at the intersection of capital, systems, and long-horizon structural...PrincipalTemporary workPart timeFreelanceWork at officeRemote workFlexible hoursShift work
$142.7k - $270.95k
...end-to-end ML lifecycle—from experimentation to evaluation, optimization, and production deployment.Collaborate closely with Adobe Research, engineering, and product teams to bring AI-powered features to life.Design evaluation strategies using a combination of automated...Full timeTemporary workLocal areaWorldwide$139.6k - $225.78k
...solving, stronger relationships, and the kind of precision that drives great outcomes.Job SummaryJob SummaryAs a Senior Security Researcher, you will be at the forefront of cyber defense, focusing on vulnerability research, reverse engineering, and exploit development....Full timeWork at officeVisa sponsorshipWork visa- ...possibilities of AI. Location: Hybrid, working on-site at our Santa Clara, CA, headquarters 3 days per week.The role: Sr. Staff, ML Researcher - LLM Algorithmic OptimizationWhat You Will Do:d-Matrix is seeking machine learning researchers to join our Algo team. We’re...3 days per week
$150k - $250k
DescriptionOverview :Responsible for design, development, and refinement of Multi-Gbps PAM4 SerDes IP. Design and debug experience on RTL level signal synchronization, clock tree and cross domain clock designs is a significant plus.Need to work closely with system and test...Principal- Job Description: Ninyo & Moore has an immediate opening for a Principal Engineering Geologist in our San Jose or Alameda, CA office. The successful candidate will perform the following activities: a) Prepare and review geologic maps and cross sections, conduct geologic...PrincipalContract workWork at officeImmediate start
$139.6k - $225.78k
...and the kind of precision that drives great outcomes.Job SummaryJob SummaryWe are seeking a passionate and self-driven Sr. Staff Researcher to join our Cloud-Delivered Security Services team. In this role, you will be pivotal in developing and refining the security content...Full timeWork experience placementWork at officeVisa sponsorshipWork visa$184k - $287.5k
We are now looking for an Offensive Hardware Security Researcher!NVIDIA is seeking an outstanding Offensive Hardware Security Researcher to work on a wide variety of security research challenges. Do you excel at thinking like an attacker, identifying hardware weaknesses...Full timeWork experience placementRemote work$127k - $140k
...movement!Position Overview:Ceribell is looking for a Clinical Researcher to oversee our open projects focused on data acquisition and investigator... ...from proposal to publication. This includes interacting with principal investigators (PIs), clinical teams, contracts, and operations...Local areaShift work$311.9k - $356k
...Sr. Distinguished Applied Researcher Overview At Capital One, we are creating trustworthy and reliable AI systems, changing banking for good. For years, Capital One has been leading the industry in using machine learning to create real-time, intelligent, automated customer...Full timePart timeLocal areaFlexible hours- ...R&D programs, and allocates resources.Planning and coordinating, and/or implementing R&D projects and processes (i.e., technology research projects, product development programs).Leading identification and consolidation of R&D projects in line with technological trends...PrincipalFull time
$276.1k - $350k
We are looking for a senior AI/ML researcher who can architect and guide a long-horizon ML strategy for a healthcare-focused organization building a durable, domain-specific healthcare foundation model and a high-reliability inference system. This person will define the...PrincipalLocal areaFlexible hours$228.7k - $309.4k
...teams are redefining the digital video experience at scale.As a Principal Applied Scientist at Prime Video, you will be a technical and... ...systems end-to-end - leading innovation from foundational research through production deployment - while mentoring scientists and...PrincipalTemporary workLocal areaFlexible hours$228.7k - $309.4k
AWS Agentic AI is looking for a Principal Applied Scientist who will partner with world-class scientists and engineers to pioneer the... ...innovation by working directly with customers to rapidly transition research breakthroughs into production systemsAbout the teamKiro team...PrincipalLocal areaWorldwideFlexible hours$228.7k - $309.4k
We are looking for passionate, talented, and inventive Principal Applied Scientist with a strong machine learning background to help build industry-leading Conversational AI Systems. Our mission is to provide a delightful experience to Amazon’s customers by pushing the...PrincipalLocal areaFlexible hours$162.7k - $263.18k
...Inc. is seeking a skilled professional to join their Decoder team. You will work on developing the Intrusion Prevention System, researching networking protocols, and collaborating on advanced cybersecurity products. Strong programming skills in Go and an understanding...$224k
...drive loyalty and traveler satisfaction.We are looking for a Principal Machine Learning Scientist to join our growing Travel Search &... ...by Expedia’s AI-first vision.In this role, you will: Drive the research, design, and deployment of advanced machine learning solutions...PrincipalFull time$224k
...reliability, latency, cost, and safety across diverse benchmarks and production scenariosLead collaboration with product, engineering, and research teams to translate business requirements into agentic system designs and deliver production-grade solutionsIdentify and mitigate...PrincipalFull timeWorldwide$162.7k - $263.18k
Palo Alto Networks, Inc. is seeking a skilled professional for the Vulnerability Assessment Research team within the Cortex platform. This position involves conducting cutting-edge research into vulnerabilities, creating robust tests, and building necessary tooling. You...- ...Micron Technology, Inc. in San Jose is seeking a Senior / Principal Layout Engineer to drive pathfinding and architecture exploration for next-generation memory modules and form factors. The role focuses on pre-product definition, feasibility studies, and design tradeoff...Principal
- Palo Alto Networks is seeking a passionate Sr. Staff Researcher to join our Cloud-Delivered Security Services team. This role involves developing security content for next-generation products and optimizing automation systems for real-time data processing. The ideal candidate...
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