Cellular Software Architect/Developer - Wireless Technologies & Ecosystems
Apple· Wireless Technologies and Ecosystems
Sunnyvale, CA$184.7k - $324.8kFull-timePosted 2w ago
About the role
Role focused on design, development, and maintenance of cellular network simulations and protocol implementations for 4G/5G, with hands-on experience in UE/network protocol development, test basestations, and RAN/CN emulation within Apple’s Wireless Technologies & Ecosystems team.
Responsibilities
- Design, develop, and maintain network simulations.
- Convert 4G/5G protocol knowledge into protocol implementations and interfaces in the cellular network simulation system domain.
Qualifications
- Bachelor’s or graduate degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent degree.
- Excellent knowledge of 4G/5G protocol stack and procedures, especially in RRC, MAC, and PHY layers.
- Working knowledge of implementing test basestation and RAN/CN network emulators (Keysight, R&S, Anritsu, Anite, etc.).
- Excellent software development and debugging skills, including design, programming (C, C++, scripting).
- Strong experience in shell scripting and Python.
- Strong experience in cellular protocol stack host test or simulation environment development is key.
- Experience in test case scripting and debugging regression test suites conforming to relevant ETSI/3GPP protocol technical specifications is a big plus.
- GenAI design and coding experience is a plus.
- Standard software development & tool environments is a plus.
- Highly motivated and self-directed, fast learner, a good team player.
- Excellent verbal and written communication skills.
Skills
Required:C and C++ programmingscriptingNetwork simulation4G/5G protocol knowledge
Nice to have:Test basestation / RAN/CN emulation
Benefits
- Comprehensive medical and dental coverage
- Retirement benefits
- Discounted products and free services
- Educational expense reimbursement (tuition)
- Discretionary bonuses or commission payments and relocation eligibility
- Apple shareholder opportunities through stock programs
Last updated Oct 9, 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
More open roles at Apple
- Senior UI Software Engineer, Cocoa3d agoCupertino, CA · Software and Services
- AIML - Machine Learning Engineer, Visual Intelligence Technology3d agoHybrid (Cupertino/Santa Clara/SSeattle area (3 work locations)) · Visual Intelligence Technology
- Physical Design Methodology CAD Engineer3d agoHybrid (Sunnyvale, California), Hybrid (Austin, Texas) +3 more · Hardware Technology CAD team / Silicon Technologies group
- Sr. ML Optimization Engineer, ASE Efficiency3d agoHybrid (San Diego, CA) · Software and Services
- Sr. ML Optimization Engineer, ASE Efficiency3d agoHybrid (Seattle, WA) · Software and Services