drjobs Modem System Test Engineer

Modem System Test Engineer

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1 Vacancy
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Job Location drjobs

San Diego, CA - USA

Yearly Salary drjobs

$ 139500 - 258100

Vacancy

1 Vacancy

Job 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 stackfrom PHY and RF to NAS AS IP and TCP/UDPgiving 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.


  • Bachelors or Masters 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).


  • 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.


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 $139500 and $258100 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 Apples 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 Apples Employee Stock Purchase Plan. Youll 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.

Employment Type

Full Time

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