AC-DC Power Design Engineer
San Jose, CAFull-timeSeen todaySeen in employer's feed today
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Job overview
Apple seeks an experienced AC-DC adapter design engineer to develop high-density offline power supplies for portable products. The engineer will lead designs from concept through mass production, using simulations, prototypes, and lab validation. The role partners with mechanical, thermal, reliability, and manufacturing teams to deliver compact, efficient, robust power solutions for high-volume production, with ownership spanning initial design through factory ramp.
Skills & qualifications
Skills
Qualifications
Full job description
Weekly Hours: 40
Role Number: 200693760-3749
Summary
Apple is looking for an experienced AC-DC Adapter Design Engineer to develop the next generation of high-density offline power supplies for our portable products.
In this role, you will shape the architecture, performance, and reliability of adapters used by millions of customers around the world. Our team is collaborative, creative and passionate about what we do and the products we make.
Come join us!
Description
You will lead designs from early concept exploration through mass production, working hands-on with simulations, prototypes, and validation in the lab. You will partner closely with mechanical, thermal, reliability, and manufacturing teams to deliver compact, efficient, and robust power solutions that meet demanding design goals and ship at high volume.
This is a highly technical, individual contributor role for an engineer who enjoys solving complex problems, sweating the details, and taking full ownership of their design from first principles to factory ramp.
Minimum Qualifications
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Bachelor’s in EE or related field and a minimum of 10 years of industry experience
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Experience with AC/DC power conversion topologies such as flyback, resonant converter and PFC design
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Strong foundation in semiconductor and power electronics fundamentals, including silicon/GaN behavior, circuit analysis, control systems, magnetics, and embedded systems for power control
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Proven ability to lead technical discussions and work effectively with cross-functional mechanical, thermal, reliability, and manufacturing teams
Preferred Qualifications
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Master's or Ph.D. in EE, with 5 years or equivalent of relevant working experience
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Experience in high-volume adapter development, with familiarity in manufacturing processes, tolerances, and production variation.
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Mastery of offline AC-DC power supply design , including topology selection (flyback, forward, LLC, other Resonant topologies) and high efficiency PFC design with advanced analog/digital control techniques
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Prior experience with a power supply module or adapter company is highly desirable
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End-to-end design capability - analytical modeling, in-depth simulation experience including parasitics , prototype bring-up, validation, and design-for-manufacturing
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Expertise in safety and EMC regulatory compliance, component selection, high-density layout, and cutting-edge efficiency optimization (including no-load and light-load techniques)
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Deep understanding of thermals, mechanical integration, packaging, and power density tradeoffs
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Experience in high frequency magnetic designs including magnetic material selection and various winding construction for power transformers and filters
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Excellent communication and presentation skills
Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.
How this job compares
Set against the 10,335 open Electrical Engineer jobs on Olive Jobs, counted November 6, 2026.
- Pay
- This postingNot listed
- California median$130–190K/yr1,093 salary ranges
- California median$55–65/hr34 hourly ranges
- Openings
- Olive Jobs lists 1,339 open Electrical Engineer jobs in California and 10,335 across the US. 3% of them nationwide are listed as remote or flexible.
- Experience
- This posting asks for at least 10 years of experience — more than three in four Electrical Engineer postings that state a minimum ask for (median 5 years, across 8,555 postings).
- Education
- This posting asks for a bachelor's degree; 6,705 of the 10,335 open Electrical Engineer jobs (65%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 6, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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