Fujitsu

Principal Researcher

Fujitsu$167K — $250K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ first-author publications in top AI conferences within the last 3 years.
  • Ph.D. in relevant fields (Computer Science, Data Science, Engineering, Mathematics, or Physics) with AI research background.
  • Experience with Large Language Models (LLMs) and agentic frameworks.
  • Proven track record of high-quality publication in AI/ML conferences or journals.

Responsibilities

  • Research multi-AI agent systems for enterprise applications.
  • Build and evaluate world models tailored for AI agents.
  • Train models for both specific and general domains.
  • Enhance agent performance utilizing various modeling techniques.
  • Ensure reproducibility of results for research dissemination.

Benefits

  • Comprehensive health benefits for employees.
  • 401K retirement plan options.
  • Relocation support for new hires.
  • Visa sponsorship available for qualified candidates.
Full Job Description
Santa Clara, California

Location Flexibility: Multiple Locations in Country

Req Id: 8182

Posting Start Date: 5/27/26

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.

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

About Fujitsu

Fujitsu Limited is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan. It is the world's third-largest IT services provider measured by global IT services revenue (after IBM and Accenture). Fujitsu mainly provides IT services including system integration, consulting, and outsourcing services. The company also offers a range of hardware products such as servers, storage systems, and personal computers. Fujitsu has a presence in over 100 countries and employs around 132,000 people.
Learn more about Fujitsu
Size
124,216 employees
Industry
NASDAQ

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