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System Test Engineer, 5G/6G Wireless Interoperability - Wireless Technologies and Ecosystems

Apple· Wireless Technologies and Ecosystems
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Sunnyvale, CA$150.4k - $277.6kFull-timePosted 1mo ago

About the role

System Test Engineer responsible for validating 5G and emerging 6G connectivity on Apple devices, focusing on interoperability testing across networks, carriers, and standards. Collaborates with silicon, software, and RF teams to design and execute system-level test strategies and utilizes AI/ML-driven tooling and automation to ensure high-quality wireless performance.

Responsibilities

  • Design, develop, and execute system-level interoperability test plans for 5G NR (Sub-6 and FR2/mmWave) and emerging 6G technologies across commercial and lab network environments
  • Analyze 3GPP protocol stacks and physical layer behavior to identify failure modes and drive root cause analysis on complex wireless issues
  • Build and maintain automated test frameworks and AI/ML-assisted diagnostic tools to accelerate test coverage and reduce manual effort
  • Partner with carrier and chipset partners to define interoperability test scenarios and reproduce field-reported issues in a controlled lab setting
  • Collaborate with hardware, software, and RF teams to validate new device features against evolving 3GPP specifications
  • Triage, document, and track defects with clear technical detail, working closely with engineering teams to drive issues to resolution
  • Contribute to the development of internal test infrastructure, signal analysis pipelines, and reporting dashboards
  • Stay current with 3GPP Release roadmaps and proactively identify testing gaps as standards evolve

Qualifications

  • Master's degree (MS) in Electrical Engineering, Computer Engineering, Telecommunications, or a related field
  • 3+ years of hands-on experience in wireless system testing, interoperability testing, or protocol validation
  • Deep knowledge of 3GPP standards including 5G NR physical layer (FR1 and FR2/mmWave), RRC, NAS, and related protocols
  • Proficiency in scripting and automation (Python, shell, or similar) for test development and result analysis
  • Experience with AI/ML tools for test data analysis, anomaly detection, or tool development
  • Familiarity with lab test equipment such as network emulators, protocol analyzers, and signal analyzers

Skills

Required:Interoperability testing3GPP protocol analysisAutomation scriptingLab testing and instrumentationCross-functional collaboration
Nice to have:AI/ML tooling for testing

Benefits

  • Comprehensive medical and dental coverage
  • retirement benefits
  • discounted products and free services
  • reimbursement for certain educational expenses
  • discretionary bonuses or commission payments (eligibility varies)
  • relocation assistance (eligibility)
  • Apple Employee Stock Purchase Plan (eligibility varies)
Last updated Sep 18, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

AirPods Max 2Apple ArcadeApple CardApple Fitness+Apple MusicApple TVApple TV+Apple Watch Series 11
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