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Our team will be in touch within one week.

Careers

採用情報

Join Our Team

K.B.K welcomes all backgrounds — from newcomers to licensed professionals. Choose the work style that suits you: full-time, contract, or part-time.

Why K.B.K

4 Reasons to Join Us

From
¥220K/mo
Varies by role and employment type
Contract
¥20,000〜/site
Per site (commission-based)
No Exp.
Required
License & independence support. Side jobs OK
2-Day
Weekend
Office staff: full Sat/Sun/holiday weekends
Open Positions

6 Open Positions

Waterproofing
Full-time

Waterproofing Technician

From ¥250,000 / month
Days Off 2-day weekend (Sun & holidays)
Requirements No exp. required · Driver's license preferred

Full waterproofing work including stripping, surface prep, membrane application, and sealant. Full newcomer support. License and independence support programs available.

  • Newcomers welcome · License support
  • Independence support program
  • Full social insurance · Annual bonus
Waterproofing
Contract

Waterproofing Technician

Commission-based · From ¥20,000 / site
Days Off Flexible schedule · Dual employment OK
Requirements Experienced preferred · Driver's license preferred

Full commission, flexible hours. Work morning-only or around your main job. Dual employment OK. Full-time conversion available.

  • Commission reflects your effort directly
  • Dual employment / side jobs OK
  • Full-time conversion available
Site Management
Full-time

Site Supervisor

From ¥300,000 / month
Days Off 2-day weekend (Sun & holidays)
Requirements No exp. required · Construction mgmt. cert. preferred

Lead waterproofing and renovation sites — schedule, quality, safety, and subcontractor coordination. Open to newcomers. License and independence support available.

  • From ¥300K/mo · Annual bonus
  • License support incl. construction mgmt.
  • Independence support program
Site Management
Contract

Site Supervisor

Commission-based · From ¥20,000 / site
Days Off Flexible schedule · Dual employment OK
Requirements Site management experience welcome

Flexible site supervisor role on commission. Use your experience at your own pace. Dual employment OK. Full-time conversion available.

  • Commission-based flexible work
  • Dual employment / side jobs OK
  • Full-time conversion available
Office & Admin
Full-time

Office Staff

From ¥220,000 / month
Days Off Full 2-day weekend (Sat, Sun & holidays)
Requirements No exp. required · Bookkeeping cert. preferred

Data entry, filing, phone/reception, bookkeeping, and supply management. Basic Word/Excel sufficient. Full Sat/Sun/holiday weekends.

  • Full Sat/Sun/holiday weekends
  • From ¥220K/mo · Annual bonus
  • Full social insurance
Office & Admin
Part-time

Office Staff

From ¥1,200/hr · From 4hrs/day OK
Days Off Shift-based · Sun & holidays off
Requirements No exp. required · Bookkeeping cert. preferred

From 4hrs/day on flexible shifts. Data entry, filing, phone support, bookkeeping assistance. No specialist knowledge needed. Side jobs OK.

  • Flexible from 4hrs/day
  • Side jobs OK · Full-time conversion
  • No exp. / career gaps welcome

Ready to Join Us?

Feel free to get in touch. TEL: 06-6326-6222 (weekdays)

Benefits

Employee Benefits

Full Social Insurance
Health, pension, employment & workers' comp
License Support
Cost support for certifications
Independence Support
Company supports future self-employment
Allowances
Marriage, birth, bereavement, disaster
Uniforms Provided · Side Jobs OK
Workwear provided · Flexible appearance policy
Daily / Weekly Pay
Available for contract and part-time workers
Hiring Process

From Application to Offer — About 1 Week

01
Submit Application
Fill in the form on this page and submit. Phone enquiries also welcome at 06-6326-6222.
02
We'll Be in Touch
Our team will contact you by email or phone within 3 business days of your application.
03
Interview (1 round)
Bring your resume to our office. Relaxed atmosphere. Free parking available.
04
Offer & Onboarding
We'll notify you after the interview. Senior staff will fully support your onboarding.
Free Estimate Register