Principal Engineer - Electronics Architecture and System Design

Job Description

Job Description

Company Description

At Western Digital, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible.

At our core, Western Digital is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we’ve been doing just that—our technology helped people put a man on the moon and capture the first-ever picture of a black hole.

We offer an expansive portfolio of technologies, HDDs, and platforms for business, creative professionals, and consumers alike under our Western Digital®, WD®, and WD_BLACK™.

We are a key partner to some of the largest and highest-growth organizations in the world. From enabling systems to make cities safer and more connected, to powering the data centers behind many of the world’s biggest companies and hyperscale cloud providers, to meeting the massive and ever-growing data storage needs of the AI era, Western Digital is fueling a brighter, smarter future.

Today’s exceptional challenges require your unique skills. Together, we can build the future of data storage.

Job Description

We are seeking a highly skilled and experienced Principal Engineer specializing in Electronics Architecture and System Design to join our innovative team in Irvine, United States. In this pivotal role, you will lead the development of cutting-edge electronic systems, driving technological advancements and shaping the future of our products.

ESSENTIAL DUTIES AND RESPONSIBILITIES :

Must understand all system implications and provide a robust electronics solution for our products

Utilize core functions for various IP that is developed while ensuring we meet performance, cost and reliability goals

Must be able to understand and optimize power, thermal, mechanical, and electrical aspects

Support Servo-Mechanical team with Spindle and VCM design, Load / unload power simulations, seek headroom simulations, spin up / down simulations

Design, simulate, and validate power and voltage regulator systems for accuracy, stability, thermal management, and ripple control

Set up and review power integrity analysis and signal integrity analysis with internal core teams and outside services

Work with internal FW teams to bring up and validate new devices, understand needs and optimizations for future product plans and execute those needs with new device and PCBA designs

Develop new silicon devices with core teams and materials to support our product needs such as SOC features, PLSI features, unique NAND devices, power management devices, and sensors

Work with internal and core materials teams to understand component costs to make tradeoff analysis for each system to ensure best cost and performance solutions

Gain information from core functions such as SoC power analysis, egress data rates, Power LSI efficiency, Spindle motor parameters to generate power, VCM parameters to control speed in power loss, Memory and NAND device specifications for Egress and SOC interface requirements

Work with internal or outsourced service to capture the schematic, complete layout and produce manufacturing Gerber files and documentation

Work with factory, core teams, and suppliers to create new part numbers, execute component qualification, create Bill of Materials for new assemblies, release new PCBA drawings, and complete DFM reviews for new board designs.

Support customer facing internal and core teams with product specs, presentations, and rapidly resolving and customer issues

Support content solutions team electronics needs for OEM products, proposal reviews, design reviews, cost analysis, and issue resolution

Perform and direct lab work as needed for experiments, validation of new devices, and validation of new board designs

Lead cross-functional teams in the development and implementation of electronic solutions

Collaborate with hardware and software teams to ensure seamless integration of electronic components

Troubleshoot complex issues and provide innovative solutions to engineering challenges

Develop and maintain system-level specifications and design documentation

• Mentor junior engineers and contribute to the technical growth of the team

Qualifications

REQUIRED :

Additional Information

Western Digital is committed to providing equal opportunities to all applicants and employees and will not discriminate against any applicant or employee based on their race, color, ancestry, religion (including religious dress and grooming standards), sex (including pregnancy, childbirth or related medical conditions, breastfeeding or related medical conditions), gender (including a person’s gender identity, gender expression, and gender-related appearance and behavior, whether or not stereotypically associated with the person’s assigned sex at birth), age, national origin, sexual orientation, medical condition, marital status (including domestic partnership status), physical disability, mental disability, medical condition, genetic information, protected medical and family care leave, Civil Air Patrol status, military and veteran status, or other legally protected characteristics. We also prohibit harassment of any individual on any of the characteristics listed above. Our non-discrimination policy applies to all aspects of employment. We comply with the laws and regulations set forth in the "Know Your Rights : Workplace Discrimination is Illegal” poster. Our pay transparency policy is available here.

Western Digital thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.

Western Digital is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at jobs.accommodations@wdc.com to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Based on our experience, we anticipate that the application deadline will be 03-29-2026  (3 months from posting), although we reserve the right to close the application process sooner if we hire an applicant for this position before the application deadline. If we are not able to hire someone from this role before the application deadline, we will update.

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Compensation & Benefits Details

You will be eligible to be considered for bonuses under  either Western Digital’s Short Term Incentive Plan (“STI Plan”) or the Sales Incentive Plan (“SIP”) which provides incentive awards based on Company and individual performance, depending on your role and your performance. You may be eligible to participate in our annual Long-Term Incentive (LTI) program, which consists of restricted stock units (RSUs) or cash equivalents, pursuant to the terms of the LTI plan. Please note that not all roles are eligible to participate in the LTI program, and not all roles are eligible for equity under the LTI plan. RSU awards are also available to eligible new hires, subject to Western Digital’s Standard Terms and Conditions for Restricted Stock Unit Awards.

Notice To Candidates : Please be aware that Western Digital and its subsidiaries will never request payment as a condition for applying for a position or receiving an offer of employment. Should you encounter any such requests, please report it immediately to Western Digital Ethics Helpline or email compliance@wdc.com.