Job Description

Cellular Protocol Stack Development Engineer

Sunnyvale, California, United States

Software and Services

Summary

Posted: Sep 16, 2025

Weekly Hours: 40

Role Number: 200608714-3956

Join the Wireless Technologies and Ecosystems team and be part of an outstanding team of engineers, working with multi-functional teams to drive innovation and develop products used by millions worldwide! We are looking for a highly reciprocal individual who can excel in a high-paced environment. Be ready to make something extraordinary when you come here. Our team is comprised of multifaceted, supporting people and innovative, industry-defining technologies are the norm at Apple. The people who work here have reinvented and defined entire industries with our products and services. The same real passion for innovation also applies to our business practices - strengthening our dedication to leave the world better than we found it. You should join Apple if you want to help deliver the next amazing Apple product!

Description

In this role you will be a key member of the Cellular Protocol Access Stratum layer Software team with following responsibilities:

Architect, design & document Cellular Protocol Access Stratum layer Software architecture

Drive requirements, design, development, debugging and commercialization throughout the product life cycle

Collaborate with multi-functional teams to have the best functional and performance result

Minimum Qualifications

• At least 3 years experience in cellular protocol stack software development and good understanding on 3GPP standard

• Strong Software Engineering skills including design, programming (using C, C++), and debugging

• Bachelors/Master degree in Computer Science, Electrical Engineering, Wireless Communications or equivalent majors

• Excellent communication and documentation skills

Preferred Qualifications

• Cellular L1 Control Software experience is a plus

• Experience with silicon prototyping, emulation systems, and virtual platforms is a plus

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 $147,400 and $272,100, 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. (

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 ( .

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 ( .

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 ( .

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.

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