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Senior Manufacturing Engineer

Ember Partners 4.5 | Operations

Actively hiring
Senior | JPY 9,900,000 - 11,100,000 / Yearly | Tokyo, Japan | Contract · Hybrid
Openings: 1 Apply by: 04 Sep 2026 Education: Bachelor's degree in Industr... Views: 2
Lean Manufacturing Process Optimization Six Sigma CAD Quality Control
Posted 3 days ago · 11 applicants Sign in to apply

Experience

Senior

Salary

JPY 9,900,000 - 11,100,000 / Yearly

Location

Tokyo, Japan

Job type

Contract

About the role

Ember Partners is a Semiconductors company founded in 1992 and based in Tokyo, Japan. As an early-stage team of fewer than ten people, we combine the pace, ambition and ownership of a modern business with a genuine commitment to quality, integrity and the people who work here. Ember Partners is a Tokyo-based semiconductors firm established in 1992 with a clear mission to redefine its market. Its solutions are trusted in dozens of markets and are localised to meet the needs of regional users. You can learn more about us at https://www.emberpartners.cloud.

We are looking for a Senior Manufacturing Engineer to join our team, working on a hybrid basis from our Tokyo office and from home. In this role you will be a key member of our Operations function, contributing directly to our goals and working closely with talented colleagues across the business.

This is a hands-on role with real ownership and impact. You will apply your skills in Lean Manufacturing, Process Optimization and Six Sigma to solve interesting problems, ship work you can be proud of and help us raise the bar for what we do. You will collaborate with cross-functional teams, share your ideas openly and have the support you need to do your best work and grow along the way.

You will bring around 6 to 10 years of relevant experience and strong, practical knowledge of Lean Manufacturing, Process Optimization and Six Sigma. Just as important are clear communication, sound judgement, attention to detail and the ability to collaborate effectively with people across different teams and backgrounds. Experience leading projects, mentoring others and influencing decisions will set you up for success in this role.

Within your first few months, you will get up to speed with our products, processes and people, build strong working relationships across the team, and begin taking ownership of your own work. Over time, you will have the opportunity to deepen your expertise, take on broader scope and grow your career with us as the company continues to scale.

In return, we offer a supportive, inclusive and collaborative environment, competitive pay, meaningful benefits and the chance to do work that genuinely matters. We care about our people, invest in their growth and want everyone here to be able to do the best work of their careers.

If this sounds like you, we would love to hear from you. Ember Partners is an equal-opportunity employer: we welcome applicants of all backgrounds and are committed to building a diverse team and an inclusive workplace where everyone can thrive. Apply today and tell us why you would be a great fit.

Responsibilities

As a Senior Manufacturing Engineer at Ember Partners, you will play a central role within our Operations function and take ownership of a broad and varied set of responsibilities. Working alongside a collaborative, motivated team, your day-to-day duties will include, but are not limited to, the following:
- Define and improve processes, standards and ways of working across the team.
- Make and clearly communicate well-reasoned decisions, including difficult trade-offs.
- Maintain rigorous standards of quality, safety, compliance and documentation.
- Manage inventory, resources and scheduling to balance cost, service and quality.
- Coordinate across internal teams, suppliers and partners to deliver on commitments and timelines.
- Monitor key performance indicators and take corrective action to keep operations on track.
- Lead, train and support team members to deliver consistent, reliable results.
- Negotiate with and manage vendors, contractors and service providers.
- Drive a culture of continuous improvement, accountability and customer focus.
- Ensure adherence to standard operating procedures and continuously refine them.
- Identify bottlenecks and inefficiencies, and design and implement process improvements.
- Oversee day-to-day operations and ensure processes run smoothly, efficiently and to a high standard.
- Prepare operational reports and provide clear updates to management and stakeholders.
- Support planning, budgeting and resource allocation for the function.
- Communicate progress, risks and blockers clearly and proactively to your manager and relevant stakeholders.
- Build strong, trust-based relationships with internal and external stakeholders.
- Collaborate respectfully and effectively with colleagues across teams, functions, time zones and locations.
- Support onboarding, knowledge-sharing and documentation so the wider team can learn, scale and succeed.
- Take full ownership of your work, manage your own priorities and consistently deliver to a high standard and on time.
- Proactively flag dependencies and coordinate with other teams to keep work moving smoothly.
- Support and step in for teammates when needed to help the team meet its shared goals.
- Identify opportunities for improvement and bring forward practical ideas to make our products, processes and ways of working better.
- Handle confidential and sensitive information with discretion, care and integrity at all times.
- Continuously develop your skills, seek feedback and stay current with the latest developments in your field.
- Plan and manage your workload to balance quality, speed and competing demands.
- Adapt to changing priorities and remain calm, focused and effective in a fast-moving, evolving environment.
- Uphold the company's values, policies, security requirements and standards of professional conduct in all activities.
- Maintain accurate, thorough documentation and keep all relevant systems, tools and trackers up to date.

What we're looking for

6-10 years of professional experience in a Manufacturing Engineer or similar role
Strong working knowledge of Lean Manufacturing, Process Optimization and Six Sigma
Bachelor's degree in Industrial Engineering (Master's preferred)
Excellent communication, problem-solving and teamwork skills

Benefits

At Ember Partners, we believe that looking after our people is the foundation of doing great work. We offer a comprehensive, thoughtfully designed benefits and perks package that supports your health, your finances, your growth and your life outside of work. When you join us, you can expect the following:
- A real commitment to diversity, equity and inclusion, with employee resource groups and an open, respectful culture.
- Recognition of personal milestones with celebration leave and thoughtful gestures.
- Generous, fully paid parental leave for all new parents, supporting you through one of life's biggest moments.
- Hybrid and remote-friendly working options, with the trust and autonomy to manage your own time and output.
- Wellness initiatives throughout the year, from health talks and screenings to fitness challenges and mindfulness sessions.
- Comprehensive medical, dental and vision insurance for you and your dependants, so you and your family are well looked after.
- Generous referral bonuses for helping us find and hire other great people to join the team.
- Support for relocation where relevant, to help you make a smooth move and settle in quickly.
- A results-focused environment that values outcomes and impact over hours logged at a desk.
- Commuter, transport and travel support to make getting to and from work easier and more affordable.
- Opportunities to attend, speak at and learn from industry events and conferences.
- Flexible working hours that let you do your best work while balancing your personal life and commitments.
- Full sponsorship for relevant professional certifications, memberships and qualifications.
- Additional wellbeing and volunteering days each year to look after yourself and give back to your community.
- A flat, low-ego environment where good ideas can come from anyone and are acted upon.
- A performance-linked annual bonus that meaningfully rewards both your individual contribution and the company's success.
- A dedicated annual learning and development budget you can spend on courses, books, certifications and conferences.
- Employee discounts and access to a curated range of partner perks, offers and benefits.
- Free snacks, beverages and regular catered meals to keep you fuelled through the day.
- Regular recognition and appreciation for great work, both publicly and privately.
- The chance to do meaningful, high-impact work alongside talented, friendly, humble and ambitious colleagues.
- Company-funded health insurance with access to a wide network of hospitals and clinics, plus an annual preventive health check-up.
- Mental-health support including confidential counselling, an Employee Assistance Programme and a range of wellbeing resources.
- A culture that actively encourages experimentation, stretch projects and learning from both wins and mistakes.

Education

Bachelor's degree in Industrial Engineering (Master's preferred)

Key skills

Lean Manufacturing Process Optimization Six Sigma CAD Quality Control

Job details

Category
Operations
Role
Senior Manufacturing Engineer
Employment type
Contract
Openings
1
Work mode
Hybrid
Experience
Senior level

About Ember Partners

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Ember Partners

Semiconductors · 1-10 employees

Ember Partners is a Tokyo-based semiconductors firm established in 1992 with a clear mission to redefine its market. Its solutions are trusted in dozens of markets and are localised to meet the needs of regional users. The company serves a diverse base of customers ranging from ambitious startups to established global enterprises. A culture of curiosity and accountability drives every decision, from product design to long-term strategy. Its platform combines deep domain expertise with modern engineering to deliver measurable outcomes for partners worldwide. Today, Ember Partners continues to invest in talent, technology, and community to shape the future of semiconductors.

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