Manufacturing Department
- Employment Type
- Full-time
- Salary
- Determined based on age, experience and skills
- Salary Details
- Pay raise (once a year)
Bonus (twice a year) *Year-end bonus paid depending on company performance
Overtime pay (premium for hours beyond the scheduled time)
Allowances (job, position, housing, family, qualification, perfect attendance)
Commuting allowance (public transport: actual cost; private vehicle: up to the tax-exempt limit for distances of 2 km or more) - Working Hours
- Head Office: 9:00–18:00 (1-hour break from 12:00)
Factory: 8:20–17:00 (breaks: 10 min from 10:00, 1 hour from 12:00, 10 min from 15:00) - Nearest Station
- 5 min walk from Naka-Okachimachi Sta. (Tokyo Metro Hibiya Line) / 8 min walk from JR Okachimachi Sta. (Head Office)
Highlights of This Job
No prior experience in the job or industry required; career changers welcome- 125 annual holidays (Head Office, 2024)
- Generous leave, including birthday leave and refresh leave
About the Job
You will be responsible for drawing, design, product development and specification studies for joint hardware and related components used in tunnel construction and other projects.
Working with the Sales and Manufacturing departments, this position supports product development from the technical side to meet customer requests and site conditions.
This job involves designing, improving and developing our products with the safety, workability and durability required at tunnel construction sites in mind.
Beyond reliably supporting existing products, you will also help turn the potential of new products and technologies into reality.
Requirements
- Position
- Engineering Department
- Employment Type
- Full-time
- Location
- Head Office: Asahi Bldg. 5F/6F, 2-31-3 Taito, Taito-ku, Tokyo 110-0016
Noda Factory: 3-23-11 Namiki, Noda-shi, Chiba 270-0229 - Access
- Head Office: 5 min walk from Naka-Okachimachi Sta. (Tokyo Metro Hibiya Line) / 8 min walk from JR Okachimachi Sta. (commuting by private vehicle not permitted)
Noda Factory: From Kawama Sta. (Tobu Urban Park Line), take the Asahi Jidosha bus to "Sekiyado Chuo Terminal," then a 10 min walk (commuting by private car/motorcycle/bicycle permitted; parking available) - Job Description
- Drawing of joint hardware and other related components
Product design, specification studies and structural studies
Design work to improve existing products
Development of new products and review of prototypes
Technical studies based on customer requests and site conditions
Confirming proposals, specifications and delivery dates with the Sales Department
Confirming processing methods, manufacturing processes and quality with the Manufacturing Department
Technical studies on new products and improvements to existing products
Creating and managing drawings, specifications, technical documents and product materials
Design adjustments considering cost, materials and processing methods
Investigating causes of product defects and responding technically to improvement requests
Gathering information on manufacturing technology, construction materials and competitors' products
Exploring new applications and transferring technology to other fields
Internal and external meetings; site visits as needed
Handling visitors, phone calls and emails
Company-wide shared tasks such as office cleaning - Qualifications
- [Required] Aged 18–40 (to support long-term career development for young people)
[Required] Standard driver's license (to drive company vehicles)
No prior experience in the job or industry required; career changers welcome
[Preferred] Sales experience
[Preferred] Background in electrical or mechanical studies; ability to read mechanical drawings - Salary
- Determined based on age, experience and skills
- Working Hours
- Head Office: 9:00–18:00 (1-hour break from 12:00)
Factory: 8:20–17:00 (breaks: 10 min from 10:00, 1 hour from 12:00, 10 min from 15:00) - Holidays / Leave
- Head Office / Tokyo Office: Saturdays, Sundays, national holidays and other designated days (125 annual holidays, 2024)
Noda Factory: Sundays, national holidays, 2nd and 4th Saturdays and other designated days (113 annual holidays, 2024)
Leave: Golden Week, summer and year-end/New Year holidays / special and bereavement leave / paid leave (10 days granted after 6 months, up to 20 days) / maternity leave and childcare leave (with a track record of use) / sick child care leave / family care leave / birthday leave / volunteer leave / refresh leave - Benefits
- Head Office / Tokyo Office: mobile phone and laptop provided; company car provided (commuting use subject to discussion)
Noda Factory: work clothes, safety shoes, goggles and masks provided; qualification support (e.g. welding, forklift, upon application); overtime meal allowance (300 yen for dinner when working past 20:30)
All employees: full social insurance (employment, workers' accident compensation, health insurance, employees' pension); retirement benefits; regular health checkups (March); summer party (July) and year-end party (December), etc.
How to Apply
- How to Apply
- Click the "Apply for This Job" button and fill in the required information on the entry form.
- Selection Process
-
- Entry
- Document Screening
- First Interview
- Final Interview
- Offer
*The process may vary.
- Contact
- Joint Group Recruitment
TEL 03-3691-2200
Company Information
- Company Name
- JOINT KOGYO CO., LTD.
- Established
- August 1979 (April 1947 as Kokaji Kikai Seisakusho)
- Representative
- Representative Director Shohei Kojima
- Number of Employees
- 38 (as of July 2026)
- Business Activities
- Manufacture of civil engineering and construction hardware / Electric welding
- Capital
- ¥10,000,000
- Head Office
- Asahi Building 5F & 6F, 2-31-3 Taito, Taito-ku, Tokyo 110-0016
- Website
- https://www.joint-k.co.jp/
