DC-DC Power System Design Engineer **Cupertino, California, United States** **Hardware** **Summary** Posted: **May 01, 2025** Weekly Hours: **40** Role Number: **200602621** This is an excellent opportunity to work on the forefront of new power management technologies with the outstanding company consistently bringing innovations in the industry! In this position, you will work with teams developing innovative products used by millions of people. Your role on the team involves implementing the advanced DC-DC power designs for Apple’s next generation Mac platforms covering portable, desktop and server systems, and other future Mac products. **Description** As a DC-DC power system designer, you will be driving innovative power circuit designs and system level partitioning from concept investigation and design through successful product level implementation. Work with system and power architects on CPU/GPU computer system architecture investigations using single-phase and multi-phase dc-dc voltage regulators. Apply technical expertise to analyze design tradeoffs including system performance, power consumption & efficiency, physical size, cost, carbon footprint and scalability. Own power circuit schematic and BOM. Work with PCB layout team. Define power sequence, GPIOs and voltage regulator settings of complex PMUs. Validate performance of power circuits through comprehensive lab testing. Perform system level testing with computational workloads. Provide technical support for production issues debug and resolutions. Perform comparative benchmarking to drive innovation and best solutions. Work with vendors to develop new integrated circuits, FETs, and passives. Collaborate with engineers from other areas of expertise, e.g. system design & architecture, digital & analog IC design, thermal design, reliability, and mechanical engineering. Present results of your work to peers, managers and cross-functional leadership. **Minimum Qualifications** + Electrical / Computer engineering degree with >5 years of relevant work experience, e.g. in consumer and server electronics or semiconductor companies. + Understanding of single- and multi- phase DC-DC regulators, control loops, operating modes, thermals, efficiency and passive components. + Experienced in power circuit design, simulations, functionality and performance validation, test automation, issue debug, PCB schematic and layout. + Occasionally travel in the US and overseas to provide factory or vendor support. **Preferred Qualifications** + Highly motivated, self-starter, able to work well with multi-functional teams in dynamic work environment. + Code development skills, e.g. Python, Matlab, Math Cad. + Experience with multi-channel power management integrated circuits. + Background in analog, digital or power integrated circuit design. + Experience with digital hardware design such as microcontrollers and digital interfaces (such as I2C, SPI, SPMI, etc) **Pay & Benefits** At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $175,800 and $312,200, and your base pay will depend on your skills, qualifications, experience, and location. Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation.Learn more about Apple Benefits. (https://www.apple.com/careers/us/benefits.html) Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program. 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.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . 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.Learn more about your EEO rights as an applicant (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation. Apple participates in the E-Verify program in certain locations as required by law.Learn more about the E-Verify program (https://www.apple.com/jobs/pdf/EverifyPosterEnglish.pdf) . Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. Reasonable Accommodation and Drug Free Workplace policy Learn more . Apple is a drug-free workplace. Reasonable Accommodation and Drug Free Workplace policy Learn more . Apple will consider for employment all qualified applicants with criminal histories in a manner consistent with applicable law. If you’re applying for a position in San Francisco, review the San Francisco Fair Chance Ordinance guidelines applicable in your area. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.