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Recruitment

Who We’re looking forKIRIU’s Ideal Candidate

What We’re
Looking For
  1. 01

    Individuals who Can Thrive on a Global Stage
    We welcome individuals who can adapt to diverse environments, including overseas assignments, and take on their work with a positive and proactive attitude.

  2. 02

    Individuals who can communicate effectively with others
    We value the ability to adapt flexibly to various people and situations, both within and outside the organization.

  3. 03

    Individuals who can take initiative
    We are seeking individuals who can identify challenges independently, collaborate with others, and drive solutions to completion.

KIRIU in 3 Minutesminutes to know about KIRIU

PhilosophyOurPhilosophy

We provide customers with safety and comfort,
contributing to a prosperous automotive society.

For over 100 years since our founding, we have supported manufacturing in Japan and around the world through iron and steel. The components we produce help to contribute ensure the safety and reliability of automobiles and mobility from the ground up.In an era of rapid change, we refuse to rest on tradition and continuously pursue technological innovation.
Moving forward, we aspire to remain a driving force in the world through the power of iron technology and the trust we have built.
Would you like to join us in creating new value?

VISIONOurVison

A world-class manufacturer specializing in brake discs and drums

We are an automotive parts manufacturer at the heart of the Sumitomo Corporation Group's manufacturing operations. As a specialized manufacturer of automotive brake components, we provide technical proposals through an integrated production system that covers planning, design, development, and manufacturing. Our products are widely used by automotive manufacturers both in Japan and overseas, and currently hold a top-tier share of the global market.

About KIRIU’s
"IKKI SEISAN"

IKKI SEISAN is KIRIU's unique manufacturing method: “Once a part is picked up, it is not set down until it is completed, finishing it in one continuous flow”. As a technology-proposing company, KIRIU's defining characteristic is its integrated system encompassing everything necessary for product manufacturing—from planning and development to design, production engineering, and production equipment. KIRIU's manufacturing is to maximize the potential of “IKKI SEISAN” across the entire group to meet our customers' needs!

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KIRIU in Data

Years in Business

Consolidated Number of Employees

Monthly Average Overtime Hours

Average Years of Service

Average days taken Leave Days

Our WorksOur Workplace

At Kiriu, we produce products based on the concept of Ikki Seisan, with various departments collaborating from planning and design through to production and shipping.
Click the icon to view descriptions of each workplace.

Order Received

Design

Material Procurement

Manufacturing

Shipping

Inspection

お客様のアイコン

Customers

Sales /
Marketing Department
Order Received

The Sales Department is responsible for securing orders for parts for new vehicle models and conducts sales activities in collaboration with Development and Production Engineering. Rather than cold calling, we focus on long-term projects by building strong, trust-based relationships with our customers. We remain continuously involved from six months to two years prior to receiving an order, and after receiving an order, we continue through prototyping, mass production launch, price adjustments, and payment collection. We aim to become a long-term partner for our customers by bundling technology, quality, and reliability through cross-departmental team sales, rather than individual efforts.

Employees Joined in 2024 Employees Joined in 2017
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The Marketing Department identifies both explicit and latent customer needs, then organizes and shares this information clearly within the company to establish the foundation and entry point for sales activities. We will continuously monitor market, customer, and competitor trends to broaden future business options for the growth of the entire group. Additionally, through information dissemination, we enhance the recognition and trust in the Kiriu brand, playing a role in supporting the creation of the company's future.

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Development Department
Design

The Development Department supports a vehicle’s stopping power by developing brake discs that combine performance, safety, and reliability. Brake discs, critical components directly linked to a vehicle’s driving safety, require precise and advanced technology throughout the entire process—from material selection and design to thermal analysis and durability testing. Our department is divided into three groups: Design, Preliminary/Analysis, and Testing. Based on CAE analysis and experimental evaluation, we design products that meet diverse requirements such as lightweight construction, high durability, and reduced noise and dust. We are also actively advancing initiatives for next-generation mobility, such as EVs and autonomous vehicles, focusing on development that balances both environmental performance and safety.

Team Members
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Purchasing Department
Material Procurement

　 The Purchasing Department is responsible for procuring the materials and parts necessary for production. Through negotiations with our business partners, we optimize costs and ensure a stable supply. We also evaluate and provide guidance to suppliers, working to improve quality and delivery performance. The Purchasing Department manages all items purchased within the company, playing a vital role in supporting the company’s overall manufacturing and serving as a bridge between the company and its suppliers.

Team Members
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Casting Technology / Casting Department
Manufacturing

In the casting process, molten metal is poured into a sand mold called a casting mold at high temperatures, then cooled and solidified to produce castings ready for machining. We consist of the Manufacturing Department, which supports production; the Production Engineering Department, responsible for quality maintenance, process optimization, and the introduction of the latest equipment; and the Casting Maintenance Department, responsible for equipment repair and upkeep. Each department works hand in hand to deliver high-quality products to our customers.

Casting Team Casting Technology Team
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Mechanical / Mechanical Technology Department
Manufacturing

In the machining process, the Production Engineering Department, responsible for optimizing processes from design to mass production; the Mechanical Maintenance Department, responsible for ensuring stable equipment operation and maintaining and improving product quality; and the Manufacturing Department, which performs machining and inspection on the production line, all collaborate to deliver high-quality products to our customers.

Mechanical Team Mechanical Technology Team
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Production Management Department
Shipping

As the “command center” that supports product manufacturing, we play a vital role in connecting the production floor with our customers. The Production Management Department plays a key role in ensuring efficient operations on the manufacturing floor and a stable supply of products to our customers. We manage schedules from order receipt to delivery, handling a wide range of tasks such as production planning and progress management, inventory control, and shipping operations. We work in coordination with departments across the company to establish and maintain an optimal production system, ensuring the delivery of high-quality products in the right quantity and at the right time. As the backbone supporting manufacturing operations, we strongly support the production floor through meticulous daily adjustments and flexible responses.

Team Members
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Quality Assuarance Department
Inspection

The brake discs we primarily manufacture are extremely important components responsible for the vehicle’s ability to stop. Our department is responsible for ensuring the quality of our products so that not only our direct customers but also the drivers who actually operate the vehicles can have complete peace of mind. 　 In addition to evaluating functional factors such as material, dimensions, and appearance, we also carry out various variability analyses to enhance driving comfort. As measuring equipment and inspection methods continue to evolve, it is essential to keep up with the latest information. 　We also play a role in monitoring the operation of our quality assurance system, including milestone management during new product launches and quality control in mass production processes.　 We carry out these tasks collaboratively as a team to earn our clients’ trust. This is also a workplace where you can gain a variety of insights and skills by improving efficiency through your own ideas.

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Human Resources and General Affairs Department

The Human Resources and General Affairs Department is the division that supports the foundation of corporate activities by creating an environment where employees can work with peace of mind and perform to their fullest potential.
Its responsibilities cover a broad range of areas, including recruitment, human resource development, the planning and implementation of personnel systems, labor relations management, employee benefits, and general affairs operations.

Based on the fundamental principle of “Compliance First,” we are strengthening internal control activities to support sound corporate management across the entire group.

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Corporate Planning /
Profit Management Department

　 The Corporate Planning Department is responsible for a wide range of activities, including developing medium- to long-term growth strategies, managing costs, and supporting our business locations. We support the entire company with a solid perspective, driving the development of forward-looking plans and ensuring their steady execution.

The Profit Management Department is responsible for accurately monitoring and managing KIRIU’s financial status. Through daily bookkeeping, fundraising, financial closing, tax compliance, profit planning, and profit analysis, we provide the information necessary for management decisions and support KIRIU’s sound corporate operations.　

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Business Transformation Department

The Business Reform Promotion Department is a core division that supports group-wide cost improvement initiatives aimed at strengthening the cost competitiveness of our manufacturing operations.
By collaborating with manufacturing sites, engineering and development functions, and group companies, we aim to establish a sustainable and competitive operating structure.

We are also responsible for essential business functions, including the maintenance of critical system infrastructure, system development, and initiatives to improve operations through digital transformation.

Team Members
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IKKI SEISAN Promotion Department

At the IKKI SEISAN Promotion Department, we are promoting the development of on-site supervisors—the leaders at our domestic and overseas locations—with the aim of strengthening on-site management and 5S activities, which form the foundation of manufacturing. Experienced supervisors and instructors who have long led KIRIU’s manufacturing operations provide OJT (On-the-Job Training) by directly observing actual worksites and equipment, sharing their vision of what on-site management should be. By overcoming language and cultural differences and focusing on the key concepts of improvement and standardization, each site proactively drives its own initiatives, striving to build more resilient and efficient production environments.

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InterviewEmployee Introduction

We feature interviews with our employees.

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Internship

Internship – Currently Closed

We are not currently accepting applications. Further details will be announced once the event schedule is confirmed.

Q&AFrequently Asked Questions

Please tell me specifically about the products manufactured by Kiriu.

Kiriu mainly manufactures brake discs, which support the essential automotive function of “stopping.” 　
Under our long-cultivated concept of “IKKI SEISAN", we are able to provide products of identical quality worldwide. 　
We would be happy to share more details during our company information session.

Please tell me about the selection process.

First, we conduct the first-round screening, which consists of document screening (résumé and academic transcript). 　
The second round involves an individual interview, and the final round consists of an executive interview and an aptitude test. 　
Successful candidates will be selected based on these steps.

Are there any qualifications or knowledge required before joining the company?

We do not have any specific qualifications or knowledge that must be acquired before joining.
The knowledge and skills necessary for the job can be learned through training and on-the-job experience after joining the company.

How is the assignment decided?

Your assignment will be determined based on your preferences as well as your aptitude (skills, experience, values, etc.).

Are there opportunities for overseas assignments?

Kiriu has many sites abroad and continues to expand globally. As part of your future career development, there may be opportunities for temporary assignments to our group companies in Japan or overseas.

Do you offer any subsidy programs for employees living alone?

We provide a company-leased dormitory system for single employees to support the lifestyle of new graduates. (Eligibility and use are subject to company regulations.)

Do you have an employee cafeteria?

Yes. Employees can enjoy a wide variety of meals every day at the cafeteria for 290 yen per meal.

Do you offer a flextime system or remote work options?

Yes. We offer both a flextime system and a remote work system, allowing employees to choose working styles that suit their work–life balance in accordance with company policies.