Hello, everyone.
This is Enta.
There was a list on X titled “100 Certifications That Will Keep You Employed for Life, Regardless of Your Educational Background.”
I turned that into a table and added the inquiry URL.
These are what are commonly referred to as blue-collar jobs or similar occupational qualifications!
Our era is just beginning, but without qualifications, we won't be trusted.
A certification represents a minimum level of knowledge.
If you get certified and gain on-the-job experience, you might just become a pro!!?

What about our profession—and other professions?
Please take a good look ^^
Please use this to gather information on obtaining future certifications.
I'm sure there are plenty of other examples in the industry, but having a wide range of qualifications and hands-on experience really does make you unbeatable.
Let's do our best!
100 Qualifications That Will Ensure a Livelihood for Life, Regardless of Educational Background
| Rank | Certification Name | Certification Websites | Difficulty Level | Average Annual Income by Occupation | Versatility and Characteristics of the Certification | Search Terms |
|---|---|---|---|---|---|---|
| 100th place | IT Passport | IPA Official Website | ★☆☆☆☆ | 4 million yen | An entry-level certification for the IT industry. It is recognized as foundational knowledge across all job roles. | IT Passport Application |
| 99th place | MOS (Microsoft Office Specialist) | Odyssey | ★☆☆☆☆ | 3.5 million yen | Your ticket to a clerical position. Ideal for demonstrating practical proficiency in Excel and Word. | MOS Exam Registration |
| 98th place | Nissho Bookkeeping Level 3 | Chamber of Commerce and Industry | ★★☆☆☆ | 3.8 million yen | Essential Knowledge for Accounting and General Office Work. Learn to Understand Cash Flow. | Nissho Bookkeeping Level 3 Registration |
| 97th place | Level 3 Financial Planner (FP) | Japan Financial Planning Association | ★★☆☆☆ | 3.8 million yen | Financial Literacy: A Gateway to Protecting Your Lifestyle and the Finance and Insurance Industries. | FP Level 3 Exam Date |
| 96th place | Customer Service Certification Exam | Association for Practical Skills Certification | ★☆☆☆☆ | 3.2 million yen | Certification of basic customer service skills. Makes a good impression during job hunting and in customer-facing roles. | Customer Service Certification Exam Schedule |
| 95th place | Level 3 Business Law | Tokyo Chamber of Commerce and Industry | ★★☆☆☆ | 4 million yen | Essential Knowledge for the Age of Compliance: Your First Step into the Legal Department. | Business Practice and Legal Affairs Certification Exam |
| 94th place | Mental Health Management Certification Exam | Osaka Chamber of Commerce and Industry | ★★☆☆☆ | 4 million yen | Skills for improving the workplace environment. Growing demand in human resources and labor management. | Mental Health Certification Exam |
| 93rd place | Fire Safety Manager | Fire Prevention and Disaster Preparedness Association | ★☆☆☆☆ | – | Required for managers of stores and facilities. Can be obtained by completing a training course. | Fire Safety Manager Training: Registration |
| 92nd place | Boiler Operation Training Course | Japan Boiler Association | ★☆☆☆☆ | 3.5 million yen | Can operate small boilers. Basic skills for building maintenance and factory work. | Boiler Operation Training Course |
| 91st place | Forklift Operator Training Course | Komatsu Training Center | ★☆☆☆☆ | 3.6 million yen | Essential certifications for logistics, warehousing, and manufacturing. Fundamental skills that will ensure you never go hungry. | Forklift License |
| 90th place | Slinging Skills Training Course | PCT and Other Driving Schools | ★☆☆☆☆ | 3.8 million yen | Essential for crane operations. A basic set of qualifications for on-site workers. | Slinging Skills Training Course Schedule |
| 89th place | Aerial Work Platform Operator Training Course | Search for Driving Schools | ★☆☆☆☆ | 3.8 million yen | We are active in a wide range of fields, including electrical work, telecommunications work, and sign installation. | Aerial Work Platform Certification |
| 88th place | Specialized Training in Arc Welding | Japan Welding Association | ★☆☆☆☆ | 3.8 million yen | An Introduction to Welding: The First Step Toward Becoming an Immediate Asset in Manufacturing and Metalworking Shops. | Arc Welding Specialized Training |
| 87th place | Small Mobile Crane Operator Training Course | Search for Driving Schools | ★☆☆☆☆ | 3.8 million yen | Now you can operate a Unick truck. It’s invaluable in the transportation and construction industries. | Small Mobile Crane Certification |
| 86th place | Gas Welding Skills Training Course | Japan Welding Association | ★☆☆☆☆ | 3.8 million yen | Essential for metal cutting and heat treatment. There is also demand at demolition sites. | Gas Welding Skills Training Course |
| 85th place | Health and Safety Promoter | National Disaster Prevention Council | ★☆☆☆☆ | – | You can become a safety manager at a small business. This qualification can be obtained through a training course. | Occupational Safety and Health Promoter Training Course |
| 84th place | Hazard Awareness Training (Workshop) | Each Driving School | ★☆☆☆☆ | – | Improving safety awareness. A step toward becoming a manufacturing floor leader. | Hazard Awareness Training Registration |
| 83rd place | Quality Control Certification (QC Certification) Level 4 | Japanese Standards Association | ★☆☆☆☆ | 3.5 million yen | The level of a new hire in the manufacturing industry. The very basics of quality control. | QC Certification Application |
| 82nd place | Level 3 Construction Industry Accounting Clerk | Construction Industry Promotion Fund | ★★☆☆☆ | 3.5 million yen | Specializes in administrative work at construction companies. Learns industry-specific accounting procedures. | Construction Industry Accountant Exam |
| 81st place | CAD Technician Certification Exam | ACSP | ★★☆☆☆ | 3.5 million yen | The Path to Becoming a Design Assistant or Operator: The Gateway to Manufacturing. | CAD Technician Certification Exam |
| 80th place | Introductory Training for Care Workers | Ministry of Health, Labor and Welfare Information | ★☆☆☆☆ | 3 million yen | Formerly known as the Level 2 Caregiver Certification. An entry-level certification for the long-term care industry. Anyone can earn it. | New Employee Training Registration |
| 79th place | Certified Care Worker Practical Training Course | Each School | ★★☆☆☆ | 3.2 million yen | Required for the Certified Care Worker exam. Qualifies you to become a Service Provider Manager. | Practitioner Training School |
| 78th place | Pharmacy Administrative Work | Japan Medical Administrative Association | ★☆☆☆☆ | 2.8 million yen | Pharmacy reception and checkout. Popular among part-time job seekers. | Pharmacy Clerk Certification |
| 77th place | Medical Administration | Japan Medical Administrative Association | ★★☆☆☆ | 2.9 million yen | The Face of the Hospital. A popular certification among women that allows them to work anywhere in the country. | Medical Administrative Assistant Certification: Self-Study |
| 76th place | Registered Pharmaceutical Salesperson | Prefectural Websites | ★★★☆☆ | 3.2 million yen | You can sell medication at a drugstore. You'll receive a certification bonus. | Registered Pharmaceutical Salesperson Exam |
| 75th place | Retail Marketing (Sales Specialist) Level 3 | Chamber of Commerce and Industry | ★★☆☆☆ | 3.2 million yen | Fundamentals of the Distribution and Retail Industry. Learn everything from customer service to inventory management. | Level 3 Sales Associate Certification Application |
| 74th place | Construction Management Assistant (Private Certifications, etc.) | Each Accrediting Body | ★☆☆☆☆ | 3.5 million yen | Assistant to the Site Supervisor. Entering the construction industry with no prior experience. | Construction Management Assistant Job Opening |
| 73rd place | In-House Certifications for Production Line Technical Skills | In-House Certification | ★☆☆☆☆ | 3.5 million yen | Working for a major manufacturer can be the key to a pay raise and promotion to a permanent position. | – |
| 72nd place | Semiconductor Manufacturing Engineer Examination (Basic) | SEEA | ★★☆☆☆ | 4 million yen | A passport to the semiconductor industry, where demand is surging. | Semiconductor Engineer Certification Exam |
| 71st place | Architectural CAD Certification Exam | National Architectural CAD Federation | ★★☆☆☆ | 3.5 million yen | Proof of ability to draw architectural plans. For architectural firms and general contractors' administrative departments. | Architectural CAD Certification Exam Dates |
| 70th place | Quality Control Certification (QC Certification) Level 3 | Japanese Standards Association | ★★☆☆☆ | 4 million yen | General employees and team leaders in the manufacturing industry. Fundamentals of improvement activities. | QC Level 3 Certification Past Exam Questions |
| 69th place | Class 2 Technician for Handling Fluorocarbon Refrigerants | JRECO | ★★☆☆☆ | 4 million yen | Capable of recovering refrigerant from air conditioners and refrigeration units. An essential skill for HVAC technicians. | Refrigerant (Freon) Technician |
| 68th place | Piping Skills Training Course | Vocational Skills Development Association | ★★☆☆☆ | 4 million yen | Water, gas, and HVAC piping work. A job that safeguards our essential services. | Piping Skills Training Course |
| 67th place | Equipment Maintenance Skills Training Course | Japan Plant | ★★☆☆☆ | 4.2 million yen | Preventing Machine Malfunctions in Factories: The Basics for Maintenance Technicians. | Equipment Maintenance Training |
| 66th place | G Certification (AI Generalist) | JDLA | ★★★☆☆ | 5 million yen | Basic knowledge of AI applications. Highly valued for roles in digital transformation (DX). | G Certification Application |
| 65th place | Python 3 Engineer Certification Basic Exam | Python Certification Authority | ★★☆☆☆ | 5 million yen | The Basics of the No. 1 Programming Language. Your First Step into AI and Analytics. | Python Exam Registration |
| 64th place | Oracle Certified Java Programmer, Bronze | Oracle | ★★☆☆☆ | 4.5 million yen | An introduction to Java, the go-to language for system development. The gateway for programmers with no prior experience. | Java Bronze Registration |
| 63rd place | Level 3 Statistics Certification Exam | Association for the Promotion of Statistical Quality Assurance | ★★☆☆☆ | 4.5 million yen | Fundamentals of Data Analysis: A Strength for Marketing and Planning Roles. | Statistics Certification Exam Registration |
| 62nd place | Class 2 Electrician (Training Course / Introductory Level) | Electrical Engineer Examination Center | ★★★☆☆ | 4 million yen | *You can work as an electrical construction assistant even while you are still studying to pass the exam. | Class 2 Electrician Exam Date |
| 61st place | Class B, Category 4 Hazardous Materials Handler | Fire Service Examination and Research Center | ★★☆☆☆ | 3.5 million yen | A must-have certification for gas stations, factories, and building management. | Class B-4 Hazardous Materials Certification Application |
| 60th place | Special Training for Low-Voltage Electrical Work | National Disaster Prevention Council | ★☆☆☆☆ | 3.8 million yen | Essential for servicing electric vehicles (EVs) and performing basic electrical work. | Special Training in Low-Voltage Electricity |
| 59th place | Telecommunications Construction Supervisor (Second Class) | Japan Data Communications Association | ★★★☆☆ | 4 million yen | Professionals in internet line installation. Stable demand due to the widespread adoption of fiber-optic internet. | Construction Supervisor Application |
| 58th place | Certified Refrigeration and Air Conditioning Technician | JAVADA | ★★★☆☆ | 4.5 million yen | A practical certification for the installation and repair of air conditioning equipment. Proof of one’s skill as a craftsman. | Certified Refrigeration and Air Conditioning Technician |
| 57th place | Level 2 Construction Industry Accountant | Construction Industry Promotion Fund | ★★★☆☆ | 4 million yen | Because it contributes to the bid evaluation score for public works projects, it is highly valued by construction companies. | Level 2 Construction Industry Accountant |
| 56th place | Information Security Management Exam | IPA | ★★☆☆☆ | 4.5 million yen | IT security manager. In high demand for corporate data breach prevention measures. | Security Manager Application |
| 55th place | Cisco CCNA | Cisco | ★★★☆☆ | 5 million yen | The gateway to a career as a network engineer. A globally recognized certification. | CCNA Exam |
| 54th place | LinuC-1 / LPIC-1 | LPI-Japan | ★★★☆☆ | 4.5 million yen | Basics of Server Setup (Linux). The Path to Becoming an Infrastructure Engineer. | LPIC Level 1 |
| 53rd place | First Aid Instructor | Traffic Safety Associations, etc. | ★★☆☆☆ | – | His expertise is put to good use in training driving school instructors and security guards. A professional instructor in life-saving techniques. | First Aid Instructor Certification |
| 52nd place | Certified Care Worker (National Certification) | Social Welfare Promotion Examination C | ★★★☆☆ | 3.6 million yen | Professional certification in long-term care. Eligibility requires 3 years of practical experience plus completion of the Practitioner Training Program. | Certified Care Worker Exam Date |
| 51st place | Social Welfare Officer Certification | Universities and Courses | ★★☆☆☆ | 3.5 million yen | Requirements for welfare offices and civil servants (welfare professionals). Can be obtained through distance learning. | How to Become a Social Welfare Officer |
| 50th place | Vehicle-Based Construction Machinery Operator Training Course (Grading, etc.) | Komatsu Training Center | ★★☆☆☆ | 4 million yen | Operate power shovels and other equipment. A "heavy equipment" certification required for civil engineering sites. | Training Course on Vehicle-Mounted Construction Machinery |
| 49th place | Crane and Derrick Operator (Unrestricted) | Association for Safety and Health Technology Examinations | ★★★☆☆ | 4.5 million yen | Operating giant cranes. The stars of ports and construction sites. | Crane Operator License |
| 48th place | Certified Fire Protection Equipment Inspector | Japan Fire Protection Equipment Safety Center | ★★☆☆☆ | 3.8 million yen | You can inspect fire extinguishers and fire alarms. This is valuable in the building maintenance industry. | Training Course for Certified Fire Protection Equipment Inspectors |
| 47th place | Kitchen Equipment Installation Technician | JAVADA | ★★★☆☆ | 4 million yen | Installation of kitchen equipment for restaurants. Technology that supports the foodservice industry. | Kitchen Equipment Installation Technician |
| 46th place | Building Environmental Health Management Technician (Building Management) | Education Center | ★★★★☆ | 5 million yen | Commonly known as "Building Manager." A mandatory qualification required to become a building manager for large-scale buildings. | Building Management Technician Exam |
| 45th place | Class 2 Boiler Engineer | Association for Safety and Health Technology Examinations | ★★☆☆☆ | 3.8 million yen | One of the four-piece building maintenance sets. For managing hospitals, hotels, and factories. | Grade 2 Boiler Engineer Past Exam Questions |
| 44th place | Class 3 Refrigeration Equipment Supervisor | High-Pressure Gas Safety Association | ★★★☆☆ | 4 million yen | A manager responsible for freezers and large-scale air conditioning systems. One of the four categories of building maintenance. | Refrigeration Equipment Supervisor Training Course |
| 43rd place | Pollution Control Manager (Water Quality/Air Quality) | Industrial Environmental Management Association | ★★★☆☆ | 5 million yen | Manages factory wastewater and exhaust emissions. The guardian of manufacturers' compliance. | Pollution Control Manager Exam |
| 42nd place | Hazardous Materials (Class B-4) + Fire Protection Equipment Technician (Class B-6) Bundle | Fire Service Examination and Research Center | ★★★☆☆ | 4 million yen | Enables inspection and maintenance of fire extinguishers. Highly versatile in the disaster prevention industry. | Fire Protection Equipment Technician, Class B-6 |
| 41st place | Apprentice Electrician (Certified Electrical Worker) | Electrical Construction Technical Information Center | ★☆☆☆☆ | 3.5 million yen | Can be obtained through training alone. Allows you to perform simple electrical work in buildings and other structures. | Certified Electrical Worker Training Course |
| 40th place | Level 2 Assistant Civil Engineering Construction Manager | Construction Industry Promotion Fund | ★★★☆☆ | 4 million yen | A new certification you can earn upon passing the course. Play an active role as an assistant to site supervisors. | Assistant Civil Engineering Construction Manager |
| 39th place | Level 2 Assistant Construction Management Technician | Construction Industry Promotion Fund | ★★★☆☆ | 4 million yen | An aspiring construction site supervisor. If you're young, you'll have plenty of job offers. | Assistant Construction Management Engineer |
| 38th place | Level 2 Assistant Plumbing Construction Manager | National Construction Training Center | ★★★☆☆ | 4.2 million yen | Assistance with managing HVAC and plumbing projects. High demand among subcontractors. | Assistant Plumbing Construction Manager |
| 37th place | Level 2 Assistant Landscape Construction Manager | National Construction Training Center | ★★★☆☆ | 3.8 million yen | Construction management for parks and green spaces. Stable demand due to a focus on the environment. | Landscape Construction Management Technician Exam |
| 36th place | Construction Equipment Maintenance Technician, Levels 2 and 3 | Construction Equipment Maintenance Association | ★★☆☆☆ | 4.5 million yen | The "Heavy Equipment Doctor." An essential skill for construction equipment rental companies and similar businesses. | Construction Equipment Maintenance Technician |
| 35th place | Architectural CAD Certification Level 2 | National Architectural CAD Federation | ★★★☆☆ | 3.8 million yen | Proof of practical drafting skills. CAD operators ready to hit the ground running. | Architectural CAD Certification Exam: Past Exam Questions |
| 34th place | Class A Hazardous Materials Handler | Fire Service Examination and Research Center | ★★★★☆ | 5 million yen | Capable of handling all types of hazardous materials. A candidate for a management position at a chemical or pharmaceutical plant. | Class A Hazardous Materials Certification: Eligibility Requirements |
| 33rd place | Facility Diagnostics Technician | Japan Society of Facility Management | ★★★☆☆ | 5 million yen | A certification to assess the condition of factory equipment. | Facility Diagnostics Technician |
| 32nd place | Building Cleaning Technician | National Building Maintenance Association | ★★☆☆☆ | 3.5 million yen | Professional cleaning certification. A path to becoming a site supervisor or starting your own business. | Building Cleaning Technician |
| 31st place | Certified Architectural Sheet Metal Worker | JAVADA | ★★★☆☆ | 4.5 million yen | Roof and gutter fabrication techniques. Stable due to demand for home renovations. | Architectural Sheet Metal Worker Certification Exam |
| 30th place | Welding Technician (JIS Certification, Specialist Level) | Japan Welding Association | ★★★☆☆ | 5 million yen | Proof of advanced welding skills. High-paying jobs in shipbuilding and plant construction. | JIS Welding Certification Types |
| 29th place | Certified Painting Technician | JAVADA | ★★★☆☆ | 4.5 million yen | A national certification in painting. A mark of trust that also serves as a requirement for construction business licensing. | Level 1 and Level 2 Painting Technician Certifications |
| 28th place | Piping Technician | JAVADA | ★★★☆☆ | 5 million yen | The government guarantees a plumber's skills. You can make a living for life doing plumbing work. | Piping Technician Exam |
| 27th place | Scaffolding Technician | JAVADA | ★★★☆☆ | 5 million yen | "The Pride of the Construction Site": The national certification for scaffolding workers. Essential if you want to strike out on your own as a foreman. | Level 1 Scaffolding Technician |
| 26th place | Class 3 Chief Electrical Engineer (*Passed some subjects; currently studying) | Electrical Engineer Examination Center | ★★★★☆ | 4.5 million yen | Although it’s extremely difficult, even passing individual subjects is highly regarded in the building maintenance industry. | Class 3 Electrical Engineer Exam: Subject Passes |
| 25th place | Semiconductor Product Manufacturing Technician | JAVADA | ★★★☆☆ | 5 million yen | A strategic industry in Japan. Experts in maintenance and manufacturing at semiconductor factories. | Semiconductor Product Manufacturing Technician |
| 24th place | Sewage Treatment Tank Technician | Japan Environmental Maintenance Education C | ★★★☆☆ | 4 million yen | Certification for septic tank maintenance and inspection. There is particularly stable demand in rural areas. | Sewage Treatment Tank Technician Training Course |
| 23rd place | Level 3 Automotive Technician | Japan Orthopedic Association | ★★★☆☆ | 3.8 million yen | A career path for mechanics. Preferential treatment at gas stations and auto parts stores. | Automotive Technician Exam |
| 22th place | Security Systems Technician | Japan Security Equipment Association | ★★☆☆☆ | 4 million yen | An expert in security cameras and locks. A must-have at a security company. | Security Equipment Technician: Level of Difficulty |
| 21st place | Chief Technician for Water Supply System Construction | Foundation for the Promotion of Water Supply Construction Technology | ★★★☆☆ | 5 million yen | Essential for starting a plumbing business. Offers some of the highest stability in the utilities sector. | Chief Technician for Water Supply System Construction |
| 20th place | Class 1 Boiler Engineer | Association for Safety and Health Technology Examinations | ★★★☆☆ | 4.5 million yen | Power source management for large-scale factories and plants. Practical experience required. | Class 1 Boiler Engineer |
| 19th place | Level 2 Civil Engineering Construction Management Technician | National Construction Training Center | ★★★☆☆ | 5 million yen | You can become a site supervisor for road and river construction projects. This qualification is recognized as a national certification. | Level 2 Civil Engineering Construction Management Technician |
| 18th place | Level 2 Construction Management Technician | Construction Industry Promotion Fund | ★★★☆☆ | 5 million yen | Construction supervisor for buildings and residential construction. Demand is high and wages are rising due to a labor shortage. | Level 2 Construction Management Technician |
| 17th place | Level 2 Plumbing Construction Management Technician | National Construction Training Center | ★★★☆☆ | 5.5 million yen | Supervision of HVAC and plumbing installation projects. There is very high demand for this role in the facilities industry. | Level 2 Plumbing Construction Management Technician |
| 16th place | Certified Energy Manager | Energy Conservation Center | ★★★★☆ | 6 million yen | A mandatory qualification under the Energy Conservation Law. An elite professional who manages electricity and heat at large-scale factories. | Energy Management Engineer Past Exam Questions |
| 15th place | Chief Telecommunications Engineer (Transmission and Switching) | Japan Data Communications Association | ★★★★☆ | 6 million yen | Oversight of telecommunications infrastructure. Top-rated among telecommunications carriers and ISPs. | Chief Telecommunications Engineer |
| 14th place | Class A, Category 4 Fire Protection Equipment Technician | Fire Service Examination and Research Center | ★★★☆☆ | 4.5 million yen | I can install and inspect fire alarms. It’s how building maintenance and fire safety professionals make a living. | Fire Protection Equipment Technician, Class A-4 |
| 13th place | Class A Hazardous Materials + Class A Fire Protection Equipment Technician Bundle | Fire Service Examination and Research Center | ★★★★☆ | 5.5 million yen | Become a highly valued, "jack-of-all-trades" professional in plant and building management. | Class A Fire Protection Equipment Technician: Categories |
| 12th place | Pollution Control Manager (Dioxins, etc. – Advanced Level) | Industrial Environmental Management Association | ★★★★☆ | 6 million yen | Essential for specialized factories subject to strict environmental regulations. Highly sought after. | Pollution Control Manager: Level of Difficulty |
| 11th place | Level 2 Electrical Construction Management Technician | Construction Industry Promotion Fund | ★★★☆☆ | 5.5 million yen | Electrical Construction Site Supervisor. An ideal career advancement opportunity for skilled tradespeople. | Level 2 Electrical Construction Management Technician |
| 10th place | Class 1 Refrigeration and Air Conditioning Technician | The Society of Refrigeration and Air Conditioning Engineers | ★★★★☆ | 6 million yen | Essential infrastructure certification. Exploding demand even for those in their 40s through 60s. An authority on refrigeration technology. | Refrigeration and Air Conditioning Technician |
| 9th place | Building Environmental Health and Safety Management Technician (Building Management Specialist) | Education Center | ★★★★☆ | 5.5 million yen | A “heart of the city” certification for which job openings never dry up in urban areas. Generous allowances are offered to those appointed. | Building Management Specialist: Level of Difficulty |
| 8th place | Class 1 Radiation Handling Supervisor | Nuclear Safety Technology C | ★★★★★ | 6.5 million yen | Rare job openings in the nuclear power and hospital sectors. No age restrictions; these positions are also well-suited for re-employment after retirement. | Radiation Safety Officer Past Exam Questions |
| 7th place | Level 1 Certified Construction Manager | Construction Industry Promotion Fund | ★★★★★ | 8 million yen and up | The pinnacle of construction project management. Site manager-level position for large-scale buildings. Annual salary of up to 10 million yen possible. | Level 1 Certified Construction Manager |
| 6th place | Class 1 Civil Engineering Construction Manager | National Construction Training Center | ★★★★★ | Starting at 7.5 million yen | Sustained demand in the public and infrastructure sectors. A national certification for building tunnels and dams. | Class 1 Civil Engineering Construction Manager |
| 5th place | Level 1 Plumbing Construction Management Technician | National Construction Training Center | ★★★★★ | Starting at 7.5 million yen | Professionals in facility construction. It’s easy to start your own business and earn a good living. | Level 1 Plumbing Construction Management Technician |
| 4th place | Class A Hazardous Materials + Fire Protection Equipment Technician (Class A-4/Class B-6) | Fire Service Examination and Research Center | ★★★★☆ | 5.5 million yen | “Ready to contribute immediately” in any setting. Unmatched in the fields of chemistry, building management, and maintenance. | Class A Hazardous Materials Specialist, Fire Protection Equipment Technician |
| 3rd place | Class 1 Electrical Construction Management Technician | Construction Industry Promotion Fund | ★★★★★ | 8 million yen and up | The leader in the electrical sector. With redevelopment and infrastructure upgrades, there’s no risk of losing business. | Class 1 Electrical Construction Management Technician |
| 2nd place | Class 3 Chief Electrical Engineer (Class 3 Electrical Engineer License) | Electrical Engineer Examination Center | ★★★★★ | 6 million yen and up | The cornerstone of all infrastructure. Endless job opportunities. The most powerful certification, offering exclusive career paths with no age restrictions. | Class 3 Electrical Engineer Exam Past Exam Questions |
| 1st Place | Class 3 Electrical Engineer × Fire Protection Equipment Technician × Construction Manager: “Triple Crown” | Electrical Engineer Examination Center | ★★★★★ | 8 million yen and up | A dream combination that’s highly valued across all industries. The ultimate path to “high income, job security, and a career that will never end”—regardless of your educational background. | The Three Essential Tools of Building Maintenance |
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