Job Description
Principal Researcher
Job Location:  Santa Clara, California
Location Flexibility:  Multiple Locations in Country
Req Id:  8182
Posting Start Date:  5/27/26

At Fujitsu, we're on a mission to create a more sustainable world by building trust in society through innovation. Since our inception in Japan in 1935, Fujitsu has consistently been at the forefront of technological advancement. Today, we stand as a global leader in digital transformation, dedicated to reshaping businesses and society in the digital age.

What truly sets us apart is our family of nearly 130,000 dedicated employees that spans over 50 countries, forming a diverse and dynamic community. We are committed to helping our employees grow and develop their careers. We believe that everyone has the potential to achieve great things, and we are dedicated to providing the resources and opportunities that our employees need to succeed.
We invite you to take the next step in your career journey and apply. Thank you for being a part of Fujitsu. We look forward to growing together toward a brighter future.

 

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., focusing on contributing to Fujitsu's technology value chain.  FRA conducts advanced research in Artificial Intelligence, Data Science, System Components and Platform Innovations, Network and Trusted Systems Innovations, and Internet Service Innovations. 

We are seeking a highly motivated PhD to join our team working at Agentic AI research. You will collaborate closely with a team of AI researchers and engineers, contribute to system design and experimentation, and help shape the future of automated software development for enterprise applications.

Job Description 

The candidate will work on:

  • 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 past 3 years.
  • Ph.D. in Computer Science, Data Science, Electrical Engineering, Mechanic Engineering Mathematics, or Physics with some research background in the area of 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.

#Americas_Priority

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

At Fujitsu, we are committed to creating a diverse and inclusive workplace where everyone feels valued and respected. We believe that diversity and inclusion are essential to our success, and we are committed to creating an environment where all employees can thrive.

We are an equal opportunity employer and prohibit discrimination and harassment of any kind based on 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.

We believe that everyone has something to contribute, and we are committed to creating a workplace where everyone can reach their full potential. 

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