GNSS Validation Engineer **Sunnyvale, California, United States** **Hardware** **Summary** Posted: **Apr 14, 2025** Weekly Hours: **40** Role Number: **200599347** Would you like to join Apple’s growing wireless silicon development team? Do you like to solve problems? Global Navigation Satellite Systems (GNSS) space vehicles transmit the power of a lightbulb, they are 13,000 miles away and are moving four kilometers per second. The received signals are commonly one hundred times weaker than cosmic microwave background radiation left over from the Big Bang and arrive next to interfering signals ten billion times stronger, just few MHz away. Are you interested in doing work that challenges you, expands your thinking, provides innovative solutions for future problems while driving your growth as a recognized technical leader in the cellular industry? Be part of our team of industry-leading experts in Cellular GNSS and do the most fulfilling work of your life. At Apple GNSS, we are dedicated to developing GNSS technology that touches and transforms the lives of hundreds of millions around the globe! **Description** In this role, you will be a key member of our highly innovative GNSS design team, developing GNSS technology and SoC for novel ultra-low-power location-based applications. YOUR DAILY WORK INCLUDES THE FOLLOWING TASKS: - Develop automated test frameworks for GNSS Measurement Engine (ME) validation. - Test plan preparation, design, develop and complete test suites, generate race chart. - Quantify functional, stress, and key performance indicators of GNSS ME firmware. - Writing test FW to validate the SoC. - Debugging and reproducing the HW and FW issue with primary analysis. - Generate detailed test report for performance and functional test. - Collaborate with the system, FW, verification, FPGA, test automation and multi-functional teams. - Carry out validation work in the lab and field. **Minimum Qualifications** + BS and 3+ years of relevant industry experience required. + Strong Python programming required, C/C++ and other scripting. + Experience in wireless system or silicon validation. **Preferred Qualifications** + MSEE or beyond is preferred. + 5+ years of proven experience in GNSS or cellular validation. + Knowledge of wireless SoC, microprocessor, memory, peripherals, I/O characterization. + Experience with digital interfaces such as USB/SPMI/SPI/UART/I2C/JTAG + Familiarity with lab equipment such as logic analyzer, spectrum analyzer, signal generators, etc. + Experience in hardware design, verification, board design, FPGA, schematics/layout. + Experience with version control (Git), issue tracking tools (JIRA), Jama and confluence. + Validation knowledge of wireless system, digital signal processing and statistics. + Knowledge of GNSS/Cellular COEX and 3GPP/CTIA. + Excellent communication skills, both written & verbal especially in a multi-functional environment. **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 $143,100 and $264,200, 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 . 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