LeethubLeethub
JobsCompaniesBlog
Go to dashboard

Leethub

Curated tech jobs from FAANG and top companies worldwide.

Top Companies

  • Google Jobs
  • Meta Jobs
  • Amazon Jobs
  • Apple Jobs
  • Netflix Jobs
  • All Companies →

Job Categories

  • Software Engineering
  • Data, AI & Machine Learning
  • Product Management
  • Design & User Experience
  • Operations & Strategy
  • Remote Jobs
  • All Categories →

Browse by Type

  • Remote Jobs
  • Hybrid Jobs
  • Senior Positions
  • Entry Level
  • All Jobs →

Resources

  • Google Interview Guide
  • Salary Guide 2025
  • Salary Negotiation
  • LeetCode Study Plan
  • All Articles →

Company

  • Dashboard
  • Privacy Policy
  • Contact Us
© 2026 Leethub LLC. All rights reserved.
Home›Jobs›Apple›Cellular Systems Engineer - System-Level Simulations
Apple

About Apple

The personal technology company redefining user experience

🏢 Tech, Hardware👥 1001+ employees📅 Founded 1976📍 Cupertino, CA⭐ 4.2
B2CB2BHardwareSaaSTelecommunicationseCommerce

Key Highlights

  • Market cap of $3 trillion as of 2022
  • Over 1 billion active devices worldwide
  • Comprehensive medical plans including mental healthcare
  • Paid parental leave and gradual return-to-work program

Apple Inc. (NASDAQ: AAPL), headquartered in Cupertino, CA, is the world's most valuable company with a market capitalization of $3 trillion as of 2022. Known for its iconic products such as the iPhone, iPad, and Mac, Apple serves over 1 billion active devices globally. The company has a strong commi...

🎁 Benefits

Apple offers comprehensive medical plans covering physical and mental healthcare, paid parental leave, and a gradual return-to-work program. Employees...

🌟 Culture

Apple's culture emphasizes an obsessive focus on user experience and consumer privacy, setting it apart from competitors. The company promotes inclusi...

🌐 Website💼 LinkedIn𝕏 TwitterAll 4783 jobs →
Apple

Cellular Systems Engineer - System-Level Simulations

Apple • California, United States

Posted 2 months ago🏛️ On-SiteMid-LevelSystems engineer📍 San francisco
Apply Now →

Job Description

Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Dynamic, sensible people and inspiring, innovative technologies are the norm here. Join us to help deliver the next groundbreaking Apple product. Do you love working on challenges that no one has solved yet? Are you ready to join a team redefining hardware technology? We are searching for a dedicated engineer to join our exciting team of innovators. In this role, you will be a key member of the system engineering team working on the features and requirements of modem systems.

Description

You will take part in the pioneering work of designing and developing innovative cellular system-level simulation models and infrastructure, which will play a meaningful role in standardization as well as in defining future 5G and 6G cellular modem products.

Minimum Qualifications

BS and a minimum of 3 years relevant industry experience. Deep knowledge of communication system theory as well as Layer 1, 2 and 3 signal and protocol processing; In-depth knowledge of wireless communication systems with hands-on experience in 4G/5G PHY design, channel models, pre-silicon verification and critical metric testing; Experience with Matlab, C/C++ and/or Python including significant knowledge of algorithms and data structures, memory and runtime profiling as well as code optimization techniques; Solid knowledge of current cellular communication standards: 5G (NR) and 4G (LTE); Strong analytical and problem-solving skills (linear algebra, random processes, detection and estimation, debugging and fixing of defects).

Preferred Qualifications

MS in Computer Science or Electrical/Information Engineering with 7+ years of working experience or PhD in relevant field with 3+ years of working experience is preferred. Validated track-record in SW and link/system level simulator design in C/C++, including experience with simulator frameworks and configuration management; Work experience related to RAN1/RAN2/RAN4 standardization submissions is a plus; Experience utilizing AI/ML tools and techniques in wireless communication system design is a strong plus.

Responsibilities

Define and implement cellular 5G and 6G system-level models for PHY, MAC, RLC, PDCP, SDAP and RRC layers Design state-of-the art channel models for system-level applications including FR3 and ray-tracing channel models Design system-level test cases for feature verification, drive feature bring-up and issue resolution Design and implement innovative algorithms during the 3GPP standardization process (RAN1, RAN2, RAN4) for next generation cellular communication systems Perform simulation studies on system- and network level to assess the impact of new features and algorithms including end-to-end (PHY to Application), coexistence with WiFi/BT and cross-layer optimizations Contribute to simulation framework related topics, such as regression testing infrastructure, test coverage analysis, automation scripting, tool and library integration Closely collaborate with multi-functional customers on requirements, architecture, project plans and feature bring-up Develop and integrate AI/ML based modem algorithms, including design, training, integration and performance evaluation of AI-driven algorithms, while leveraging GenAI tools to enhance development efficiency and accelerate innovation cycles;

Eeo Content

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.

Interested in this role?

Apply now or save it for later. Get alerts for similar jobs at Apple.

Apply Now →Get Job Alerts