Hardware Systems Signal Integrity Engineer - iPhone

Hardware Systems Signal Integrity Engineer - i

Phone Cupertino, California, United States Hardware Summary Posted:

Mar 06, 2026

Role Number:

200650403-0836 The people here at Apple don't just create products — they create the kind of wonder that's revolutionized entire industries. It's the diversity of those people and their ideas that inspires the innovation that runs through everything we do, from amazing technology to industry-leading environmental effortsThe iPhone System Technologies organization is seeking a Signal Integrity Engineer for the hardware development team. In this highly collaborative role, you will interface with various technology and module teams (such as camera, display, sensors, etc.) to influence their integration at the system level with emphasis on design and debug of high-speed and low-speed links.

Our team is collaborative, creative and passionate about what we do and the products we make. We want to hear from you! Description We are seeking a candidate with a strong background in Signal Integrity including Lab and Simulation experience. Knowledge of electromagnetics, transmission line theory, extracting channel models and simulating EMI/Crosstalk are expected. Channel elements include rigid PCBs, flexible printed circuit boards, connectors, and other components in a mobile system. Responsibilities Participating in schematic reviews to inform selection and placement of various system level channel components including RLC filters, DC-blocking capacitors, board to board connectors, etc. Simulating loss, crosstalk, and coupling concerns to guide layout & system design using 3D/2.5D/2D EM modeling tools. Leading layout reviews and making data-driven recommendations to achieve robust SI performance on various signals running at low and high speeds. Performing design feasibility study, design testing and verification, and system bring up. Providing design guideline and supporting to system architecture design, board layout, product bring up, debug, validation, and factory builds. Performing time-domain and statistical simulations to qualify signal integrity and optimizing driving strengths and equalization to ensure adequate voltage and timing margins over high volumes. Performing lab measurements such as VNA characterization, Eye Diagrams, BERTs and Compliance Testing. Working with multi-functional teams to define design requirements for improved EM performance and system coexistence by developing and improving design methodologies to achieve minimal EMI. Minimum Qualifications Masters in EE or related field and a minimum of 5 years of industry experience Strong EE fundamentals and problems solving skills Strong academic background in EM theory and coupling mechanisms. Hands-on experience in hardware board-level testing, validation, and with lab equipment (TDR, VNAs, scopes, near field scanning, spectrum analyzers) Hands-on experience in EM and circuit simulation tools such as Ansys HFSS/Maxwell/SIWave, CST, ADS/Spice/Spectre, Cadence/Sigrity, scripting languages (Python, Perl) Work experience as Signal Integrity Engineer is a must Preferred Qualifications Ph.D. in EE with 5 years or equivalent of relevant working experience A strong background in mobile system engineering is preferred A passion for engineering with demonstrated initiative, creativity, and innovation. Excellent communication and presentation skills 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 $181,100 and $318,400, 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.

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. . Apple accepts applications to this posting on an ongoing basis.