Cellular System Engineer **San Diego, California, United States** **Hardware** **Summary** Posted: **Oct 03, 2025** Role Number: **200623970-3543** Do you have a passion for building innovative HW/SW for controlling modern RF transceivers? Do you enjoy hands-on, cradle-to-grave experience for building innovative cellular SoCs? In this role, you will have the opportunity to engage in architecture stages, and work with various teams to design, implement, verify, validate, bring-up, and productize sophisticated transceiver architectures. Join us and help to innovate new wireless systems technologies that continually outperform the expectations! By collaborating with other product development groups across Apple, you’ll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world! **Description** As a Cellular System Engineer, you will be responsible for the pre- and post-silicon bring up, and validation of end-to-end cellular systems. You will understand and map systems algorithms and requirements to HW/FW architecture, simulation and emulation based validation of the control flows and algorithms. **Responsibilities** + This position requires strong collaboration with SoC, PHY, RF HW, RF FW, and SW teams to ensure the end-to-end system requirements are met. You will also have a critical hands-on role in pre- and post-silicon verification, validation, and bring-up of silicon, to support productization. **Minimum Qualifications** + BS and 3 + years of relevant industry experience. + Good understanding of communication theory and signal processing, AGC, beamforming, Tx power control, mitigation of radio impairments, and calibration algorithms. + Good experience with Matlab, Python, and C/C++ and efficient analysis and automation scripting. + Excellent communication skills, both written & verbal especially in a multi-functional environment. + Demonstrate clarity of thought and strong analytical and problem-solving skills. **Preferred Qualifications** + MSEE or beyond is preferred. + Experience in the design and bringup of wireless communication systems with expertise in cellular systems preferred. + Strong technical background in 5G-NR/LTE/UMTS (3G/2G) physical layer and protocols. + Hands-on experience in applying AI/ML techniques on real-world data sets to tackle sophisticated engineering problems. + Experience with silicon prototyping, emulation systems, and virtual platforms is a plus. + Hands-on experience in the bring up of real silicon in the lab. Ability to efficiently use lab equipment (such as spectrum analyzer, signal generator, power meter, 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 $139,500 and $258,100, 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.