Wireless Radio Systems Engineer

San Francisco Bay Area, California, United States$129,300 - $225,300

At Apple, we work every single day to craft products that enrich people’s lives. Do you love working on challenges that no one has solved yet? As a member of our Wireless Silicon Design group, you will have outstanding and great opportunity to build our future products that will delight and encourage millions of Apple’s customers every single day! Would you like to join Apple’s growing wireless silicon development team? Our wireless SOC organization is responsible for all aspects of wireless silicon development, taking care of challenges from the sophisticated usages, more fast paced performances and reliabilities to enable emerging wireless applications and products. Our goals are to come up with innovative architectures and protocols, integrate systems and algorithms with employing the sophisticated technologies to introduce our innovative products, providing evolutions to our lives.

In this technical role, you will be at the center of a silicon design group, with a critical impact on radio architecture, radio system performance, system integration and physical layer algorithms development for innovative wireless communication systems. You will develop system model of RF/analog design, radio chain modeling, coordinated radio interaction models, multifaceted behavior models and assess associate impairments. You will evaluate radio performance on various application scenario, as well as working on architecting various calibration and correction methods for radio impairments. The role requires collaboration with HW digital designers and architects, products, radio, analog designers, and SW/FW engineers, to define and specify the wireless systems. You will get to work with digital designers to realize different physical and/or radio compensation algorithms, and with firmware designers to realize different physical/radio compensation algorithms with high efficiency software implementation. And to bring up, test, characterize, tune up, and optimize real silicon in lab to the production qualities.

In this role, core responsibilities include, but are not limited to, the following:
Design radio models for the wireless communication system, RF/circuits impairments.
Design method/algorithm to alleviate those impairments by calibration, pre-compensation, cancellation, and/or pre-distortion techniques.
Evaluate radio performance in different scenarios by quantitative analysis and link simulation.
Work with radio designers to come up with state-of-art radio architecture.
Collaborate with digital designers to realize PHY/radio algorithms with power and area efficient digital implementations.
Join forces with firmware designers to realize calibration with high efficiency software implementation together with hardware acceleration.

Minimum requirement of a bachelors degree
Understanding of RF and analog components/modules composited of wireless communication systems, the possible impairments from those components, and the corresponding calibration and impairment reduction methods/algorithms.
Proven track record of RF calibration algorithm for RF impairments.
Experience with MATLAB, Python and/or C/C++ for algorithm development, modeling, and simulation.
Hands-on experience on lab testing & characterization, such as spectrum analyzer, signal generator, signal analyzer, power meter, etc.

MSEE/PhD with relevant experience.
Understanding of communication theory, information theory, & signal processing related algorithms design.
Analytical capability to develop the outstanding solution in terms of performance, power and area for the meaningful issues of physical layer design.
Knowledge in existing wireless communication protocols: Cellular technologies (5G-NR and prior iteration), WiFi (802.11) or Bluetooth/BLE.
Circuit design experience or knowledge.

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 $129,300 and $225,300, 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

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

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

Learn about accessibility in Apple’s workplace

Learn about reasonable accommodations for job applicants

Apple accepts applications to this posting on an ongoing basis.

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