Principal System Engineer

Job Description

Role Overview

As a Principal System Engineer/Product Definer in our Power Management Group, you will be the primary architect driving the next generation of PMIC roadmaps for global flagship smartphones. This high-impact role requires you to bridge the gap between Tier-1 customer requirements and internal R&D, ensuring Renesas delivers best-in-class solutions for power efficiency and density.

Key Responsibilities

· Customer Architecture Definition: Collaborate directly with global smartphone manufacturers to translate Customer Requirements, RFI and RFQ into Engineering Requirements Specification with architectural and electrical specifications.

· System Architecture & Efficiency Analysis: Conduct topology identification and detailed efficiency studies using system-level simulation tools (e.g., SIMPLIS, Matlab, or similar). Develop high-fidelity behavioral models to evaluate architectural trade-offs, transient responses, and loop stability.

· Schematic & Layout Analysis: Review and update system models based on PCB schematics and layouts to account for real-world parasitic elements (ESL/ESR).

· Technical Leadership: Lead cross-functional teams (Design, Marketing, Applications) during architecture reviews and product bring-up. Collaborate closely with IC Design teams to identify the optimal implementation and hardware/software partitioning required to fulfill complex system specifications

· Strategic Roadmapping: Identify long-term value creation avenues in AI-driven power optimization, fast charging, and 5G power delivery.

· Problem Solving: Act as the final technical escalation point for customers, using structured methods, system knowledge and experience to resolve complex system issues.

Qualifications

Qualifications

· Education: BS/MS in Electrical Engineering (Power Electronics emphasis preferred); PhD is a plus.

· Experience: Minimum 12 years of semiconductor experience, with focus on PMICs, DC-DC converters (Buck, Boost, Multiphase), and battery management.

· Technical Skills:

· Proficiency in system design and simulation tools such as SIMPLIS/SIMetrix, Matlab, or Cadence-based environments.

· Deep knowledge of Power Delivery Networks (PDN) and PCB parasitics.

· Proficiency in Python or C for behavioral modeling and task automation.

· Communication: Proven track record of interfacing with Tier-1 OEM technical leadership.

Additional Information

The expected annual pay range for this position is $175,000K - $200,000K. This position is also eligible for bonus opportunities. Please note that final offer amount will be dependent on geographic location, applicable experience, and skillset of the candidate.

Renesas is an embedded semiconductor solution provider driven by its Purpose ‘To Make Our Lives Easier.’ As the industry’s leading expert in embedded processing with unmatched quality and system-level know-how, we have evolved to provide scalable and comprehensive semiconductor solutions for automotive, industrial, infrastructure, and IoT industries based on the broadest product portfolio, including High Performance Computing, Embedded Processing, Analog & Connectivity, and Power.
 
With a diverse team of over 22,000 professionals in more than 30 countries, we continue to expand our boundaries to offer enhanced user experiences through digitalization and usher into a new era of innovation. We design and develop sustainable, power-efficient solutions today that help people and communities thrive tomorrow, ‘To Make Our Lives Easier.’     
 
At Renesas, you can: 

• Launch and advance your career in technical and business roles across four Product Groups and various corporate functions. You will have the opportunities to explore our hardware and software capabilities and try new things.  

• Make a real impact by developing innovative products and solutions to meet our global customers' evolving needs and help make people’s lives easier, safe and secure. 

• Maximize your performance and wellbeing in our flexible and inclusive work environment. Our people-first culture and global support system, including the remote work option and Employee Resource Groups, will help you excel from the first day.    

Are you ready to own your success and make your mark?  

Join Renesas. Shape Your Future with Us.  

Renesas Electronics is an equal opportunity and affirmative action employer, committed to celebrating diversity and fostering a work environment free of discrimination on the basis of sex, race, religion, national origin, gender, gender identity, gender expression, age, sexual orientation, military status, veteran status, or any other basis protected by federal, state or lo