Job Details

Modem System Test Engineer

San Diego, California, United States

Software and Services

Summary

Posted: May 15, 2025

Weekly Hours: 5

Role Number: 200605108

Are you a fearless thinker? Do you love the challenge of advancing a widely accepted technology? In the Wireless Software group, you’ll be responsible for bringing groundbreaking wireless connectivity to the world through Cellular, Wi-Fi, Bluetooth, and AI/ML to enhance user experience. You’ll design, develop, and patent the next generation of our state-of-the art connectivity technologies. You’ll collaborate across departments to help craft wireless solutions that elevate the customer experience with Apple products and services. Our goal is to ensure nothing stands in the way of our customers’ connections with their devices. If you join us, you’ll help build world-renowned wireless systems so seamless that they almost feel like magic.

Our team is looking for a highly reciprocal individual who can excel in a high-paced environment. Be ready to make something extraordinary when you come here. Multifaceted, encouraging and innovative people who build industry-defining technologies are the norm at Apple. If you're passionate about building technology that will make a difference, we may have the job for you!

Description

As a Wireless Modem System Test Engineer, you will play a critical hands-on role in ensuring the highest quality and performance of cutting-edge cellular modem technologies. You will work closely with platform architecture, firmware/protocol development, standardization, system test, and carrier engineering teams to diagnose, analyze, and optimize modem performance. Your work will span all layers of the protocol stack—from PHY and RF to NAS, AS, IP, and TCP/UDP—giving you exposure to the full modem lifecycle, including baseband and protocol optimization. You will be responsible for defining, developing, and automating comprehensive test cases using industry-leading platforms, while leveraging your expertise in Python, AI/ML, and advanced debugging tools to tackle sophisticated technical challenges. This role offers the flexibility to engage in cross-disciplinary collaboration, deep system troubleshooting, and continuous innovation to deliver robust, customer-focused modem solutions integrated with iOS interfaces.

Minimum Qualifications

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Telecommunications, or a related field, with solid experience in wireless system testing, firmware validation, cellular certification, and IoT/cellular performance evaluation.

• Deep understanding of 3GPP standards (LTE, LTE-A, 5G NR) across all protocol layers (PHY, MAC, RLC, RRC, PDCP, NAS), with additional knowledge of Wi-Fi (802.11) and Bluetooth SIG (BTSig) specifications.

• Knowledge of industry-standard platforms (e.g., Keysight, Anritsu, R&S, Spirent).

Preferred Qualifications

• Proficiency in diagnosing complex system-level issues through lab/field experimentation, analytics, and log analysis.

• Ability to perform code and architecture reviews with an emphasis on identifying bottlenecks and improvement opportunities.

• Hands-on expertise in AI/ML concepts and their application to test optimization and large dataset analysis, using tools such as Pandas, TensorFlow, and PyTorch for data processing and visualization.

• Familiarity with carrier certification processes and global operator requirements for mobile device deployment.

• Excellent analytical, critical thinking, and communication skills, with a proven ability to work collaboratively in cross-functional teams (development, certification, QA), ensuring high-quality, customer-focused modem performance.

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 $135,400 and $250,600, 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.