Nexperia

Product Definition Engineer (Systems/Applications)

Osaka · Tokyo · Oita

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hirly's read of this role

Seniority: Mid level
Country: JP
Work mode: On-site / unstated
First seen by hirly: 27 Sept 2026

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the posting

About the role

We are looking for a Product Definition Engineer (Systems / Applications Engineer) to drive the development of next-generation power devices including dc-dc converters, hot-swap controllers. You will translate system and customer needs into product specifications targeting automotive, and computing/server markets, while collaborating closely with R&D, marketing, and customers.

What you will do

Analyze market trends and customer requirements across automotive, industrial, and server applications
Define product requirements (customer specific inputs, design targets, datasheet parameters)
Act as technical interface between customers and internal teams
Perform competitive benchmarking (performance, cost, features)
Own product roadmap and NPI pipeline
Create business cases, perform ROI analysis, and own results
Collaborate with cross-functional development team to bring products to market
Train marketing and field applications to drive assigned portfolio to revenue

What you will need

Bachelor’s or Master’s degree in Electrical Engineering or related field
5+ years experience in applications, systems, or product definition engineering
Experience with power ICs: dc-dc buck converters/controllers, hot-swap controllers
Fluent Japanese language skills, written and verbal
Knowledge of automotive, industrial, or server power systems
Strong analytical and problem-solving skills
Ability to translate system requirements into IC specifications
Strong communication and teamwork skills

Why join us?

Be part of a global leader in power semiconductors
Influence development of next-generation power management ICs
Work at the intersection of technology, applications, and business
Collaborate with international teams and customers
Drive innovation in efficient and reliable power electronics

D&I Statement

As an equal-opportunity employer, Nexperia values diversity not just because it is the right thing to do but because diverse teams perform better. We are dedicated to being inclusive, and a proof point of this dedication is that we were the main partner of the very first Dutch Paralympic Team NL House during the Paris 2024 Paralympic Games. Our recruitment process is inclusive and accessible to all, and we consider all applicants fairly, as well as providing a safe work environment and reasonable adjustments where requested.

In addition, we offer our colleagues the possibility to join employee resource groups such as the Pride Network Group or global and local Women's groups. Nexperia is committed to increasing women in management positions to 30% by 2030.

Original posting on Nexperia's site ↗

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