The role involves researching and developing new methods to apply large language models in the field of cybersecurity, including threat detection and analysis.
Preferred Networks
Artificial Intelligence · AI Semiconductors · Enterprise Software · Chiyoda, Tokyo
Preferred Networks is a Tokyo-based technology company that develops an integrated AI stack, from MN-Core processors and the PFCP computing platform to PLaMo foundation models and industry applications. It serves enterprises and researchers across manufacturing, materials, life sciences, retail, finance, public services, education and entertainment.
PFN commercializes its technology through paid cloud and API services, on-premises deployments, software and robotics products, commissioned solutions, licensing and joint ventures. Applications include visual inspection, plant automation, materials simulation, drug-discovery computing and retail optimization. In July 2026, PFN joined Noetra’s national project to develop a multimodal foundation model for physical AI.
- Remote or hybrid
- 39%
- Most requested
- Generative AI / LLM 6
- Machine learning 3
- Go 2
- Python 2
- AWS 1
- C++ 1
- JLPT N2 2
- Native Japanese 2
- Japanese posting, level unstated 14
- Common areas
- Consulting & strategy 3
- HR & recruiting 3
- Business development 2
- Sales 2
Measured from the 18 listings Ranked has live for Preferred Networks. Japanese level, visa signal and skills are AI-graded from each posting and can be wrong — confirm against the employer's original posting before applying.
18
open positions at Preferred Networks
2
Conduct atomic simulations using Matlantis based on published papers. Results will be used for research and promotion.
Responsible for promoting various measures to strengthen information security for PFN and its affiliates.
This role involves identifying and addressing various management challenges within the Preferred Networks group, from planning to execution and verification.
Responsible for enhancing the human resource development function within the management planning department, focusing on various training and development initiatives.
This role involves leading public relations strategies and executing communication plans to enhance corporate value, targeting various stakeholders.
Join the audit department to build and operate the audit system, focusing on internal audits and J-SOX evaluations.
Lead the planning, development, and market launch of new products, integrating customer value definition and product strategy.
The Patent Prosecution Specialist supports patent prosecution and intellectual-property rights work for Preferred Networks at the company’s Otemachi office in Chiyoda, Tokyo.
This role involves defining and implementing the corporate culture of Preferred Networks, ensuring alignment with the company's mission and values.
Lead business development in the public sector, focusing on AI technology implementation and project management with government agencies.
Responsible for legal matters supporting various business divisions, including contract creation, legal risk assessment, and compliance training.
This role involves enhancing HR planning functions, including personnel planning and improving HR systems to align with management strategies.
Develops content and channel strategies, produces and publishes articles, videos, interviews and events, and manages performance across external and internal media.
The Forward Deployed Engineer integrates AI solutions into client operations, collaborating closely with business development teams.
The Corporate AI Enablement Engineer role promotes internal AI utilization at Preferred Networks. No further responsibilities, qualifications, technologies, or working conditions are provided.
Leads PLaMo business development, connecting LLM development with market needs. The role covers strategy, product planning, customer development, and enterprise sales and delivery.
Develop AI for healthcare and wellness clients through problem discovery, feasibility research, prototyping, and machine-learning or AI-agent implementation with engineering teams.
