【System Engineer - C#/Java（Shizuoka）】100% In-House IT for a Global Manufacturer | Hybrid | JLPT N2 level

★Systems Engineer / Project Manager (Supply & Demand, Production, Procurement, & Factory Management)

• Business Level Japanese Required

◆ Location: Shizuoka

◆ Flextime & Hybrid Work

◆ Great Welfare

◆ Annual Salary： 5.1 million ～ 8.2 million yen.

-------------【About the company】-------------

In short, the company’s core business is providing "Total IT Solutions" that handle the entire IT strategy for the corporate group.

Going far beyond conventional software development, its scope spans from strategic planning to system operations, as well as delivering IT services embedded directly into group products. Its operations are driven by three main pillars:

1. Product Development & "Koto Service" Support

Adding digital value to the hardware products ("Mono") manufactured across the corporate group.

Product-Connected Apps: Development of mobile applications that connect smartphones with products such as electric power-assisted bicycles and motorcycles.

Digital Engineering Platforms: Building and operating digital environments—including 3D CAD and simulation analysis tools—used by engineers to design products.

Vehicle Dynamics Prediction: Development of calculation and simulation programs that model motorcycle movement and dynamics using mathematical and mechanical engineering principles.

2. Supply Chain & Management Platform Support

Supporting the global "Manufacture, Transport, and Sell" operations of Yamaha products through IT infrastructure.

Smart Factory Transformation: Automation of factory production lines and the construction of production management systems.

Logistics & Sales Systems: Core enterprise systems supporting operations from parts procurement to global dealer inventory management.

Corporate Systems: Essential back-office infrastructure driving corporate management across the entire group, including accounting, HR, and finance.

3. IT Infrastructure & Security

Building the global infrastructure required for the corporate group to operate securely worldwide.

Global Network: Construction and maintenance of communication networks connecting global business sites.

Data Center & Cloud Services: Management and operation of core server infrastructure.

Cybersecurity: Implementation of advanced security measures and formulation of BCP (Business Continuity Planning).

-------------【 Job Description】-------------

■Department Mission

Drive the modernization of core system architectures across the global supply chain domain with a 10-year strategic vision, ensuring seamless implementation and robust long-term operational stability.

■Your Role

Provide IT solutions for supply chain management—including supply and demand management, production management, procurement management, and plant management.

■Strength

・Leverages deep, domain-specific business expertise unique to the corporate group to deliver seamless, end-to-end support—from initial software development to long-term operational maintenance—for critical supply chain management systems.

・Scales proven systems built in Japan across the group’s international manufacturing sites, deploying them as integrated, standardized business solutions.

■Responsibilities

・Design, develop, and deploy IT systems across supply & demand management, production control, procurement, and factory operations.

・Analyze global supply chain workflows to understand end-to-end product and material flows, taking ownership of system development in dedicated operational domains.

・Synthesize business requirements into functional specs, managing the complete engineering lifecycle from early concept planning to design, development, deployment, and ongoing maintenance.

・Lead IT system development projects across supply & demand planning, production scheduling, purchasing/procurement, and factory execution.

・Maintain a broad strategic perspective on the group’s global manufacturing operations, defining system requirements for business process re-engineering while driving overall project governance, schedules, and deliverables.

■Gained Experience, Capabilities & Career Paths

・Engage directly with Yamaha Motor’s core operational units starting from early-stage proposal and strategy phases, fostering steady professional growth and long-term career advancement through deep business integration.

・Plentiful opportunities to work on international initiatives, building real-world experience, cross-cultural competence, and a global skill set.

・Work continually with modern technologies, contemporary architectures, and industry-standard development environments.

・Continuous learning on the job expands your professional network and opens up versatile career trajectories:

・For Systems Engineers: Clear pathways toward roles such as Project Manager, Upstream Requirements/Domain Specialist, or IT Architect.

・For Project Managers: Opportunities to lead large-scale and highly complex/technical projects. Hone your management capabilities by mentoring team members and leveraging deep technical insights to guide team success.

■Position Highlights

・Partner closely with parent company business units from the initial planning and proposal stages, pouring shared vision and purpose into building systems that become key competitive strengths for the corporate group, and directly seeing the tangible results of your work.

・Receive genuine gratitude (“Thank you”) directly from business stakeholders across the parent company as they experience the transformational impact and operational improvements brought by the systems you delivered.

■Past Project Example

Custom Production Scheduler Development for Global Manufacturing Facilities

・Background & Challenge:

When introducing a new scheduling solution to corporate group factories, off-the-shelf software was evaluated but found insufficient to meet the specific, complex requirements of the manufacturing sites. To bridge this gap, a major project was launched to develop an in-house proprietary scheduler from the ground up.

・Technical Complexity:

Because the platform was intended for long-term operational use across multi-year lifecycles, the team faced the dual challenge of ensuring high system performance while building a highly maintainable and adaptable software architecture.

・Execution & Teamwork:

Through close communication and continuous, proactive team-building, team members joined forces to systematically solve complex technical and operational hurdles as they arose.

・Outcome & Impact:

The project was successfully delivered on schedule, driven by exceptional teamwork and collective problem-solving. Today, this proprietary scheduling platform serves as a core IT solution for factory operations and stands as one of the company’s key business pillars.

-------------【 Requirements】-------------

■Required

・3+ years of experience in IT system development or maintenance

・Proficiency in web application development (Java) or Windows application development (C#.NET, etc.)

Must have experience in one of the following:

・2+ years of experience in IT system planning or system requirements definition

・2+ years of experience managing projects with 10 or more team members

■Preferred

・Leadership experience (e.g., as a project leader)

・Data modeling skills

・System testing skills

・Business knowledge of supply and demand management, production management, procurement management, and plant management

・Facilitation skills

・System planning and requirements definition skills

・Problem-solving skills and ability to propose improvements

■Ideal Applicants

・Ability to think independently and take proactive initiative.

・Aptitude for tackling complex challenges with a positive, solutions-oriented attitude.

・Comfortable working in English, with the functional ability to handle email correspondence and written business communications.

・Strong communication skills to articulate ideas clearly, concisely, and in a well-structured manner.

・Ability to active-listen, grasp the true intent of others' perspectives, and respond in a smooth, collaborative manner.

・High interest in IT and emerging technologies, with a strong drive to proactively stay ahead of industry trends and acquire new skills.ah

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Flexible Work Hours System

Paid Leave Encouragement Program

Parental Leave System

Caregiver Leave System

Reduced-Hours Work System for Childcare and Caregiving

On-site Daycare Facility (Waiwai Land)

Employee Cafeteria

Comprehensive Health Checkups, Family Health Checkups, and Gynecological Cancer Screenings

Employee Stock Ownership Plan

Salary Savings Plan

Housing Allowance

Employee Discount Program

Mutual Aid Association (wedding and childbirth bonuses, condolence payments, etc.)

Group Insurance (Life Insurance, Auto Insurance)

Comprehensive Insurance Coverage for the Company’s Products

*Relocation expenses will be reimbursed after joining the company, up to a maximum of 150,000 yen (including tax).

If you are the head of a household and pay rent for a rental residence, a housing allowance will be provided as follows:

● Amount (monthly): 30,000 yen for singles, 40,000 yen for married employees

● Payment Period: For singles, 4 years if hired at age 30 or older; for those hired before age 30, the period is either until age 30 or 5 years, whichever is longer

●For married employees, 4 years

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