RAN Validation Engineer (Starlink Mobile)
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. The Starlink Mobile program is developing a satellite-to-mobile network to deliver ubiquitous cellular connectivity worldwide through the Starlink constellation, partnering with mobile network operators globally to provide direct-to-cell service and extend coverage to billions of existing cellular devices.
About the role
As a RAN Validation Engineer on the Starlink Mobile program, you will be responsible for validating and optimizing the 4G/5G RAN software protocol stack. This includes developing automated test cases for feature validation, performing lab and field testing, analyzing and optimizing network performance, and collaborating with developers to resolve complex issues.
Responsibilities
- Develop and maintain automated test cases and frameworks for eNB/gNB feature validation, including functional, performance, interoperability, and regression testing
- Analyze UE and eNB/gNB logs to debug and root-cause RAN issues, and collaborate with developers to drive fixes
- Lead UE log collection and field testing to support eNB/gNB feature development
- Build software tools and database queries to analyze RAN performance and tune eNB/gNB parameters to optimize KPIs
- Manage and prioritize network issues and work with developers to resolve them
- Troubleshoot and maintain RAN lab infrastructure in collaboration with partner teams
Requirements
- Bachelor’s degree in a STEM discipline
- Experience with RAN parameter configuration, optimization, and performance analysis
- Experience with Python for test automation and data analysis, along with experience in Linux and code repositories (Git)
- Experience developing, executing, and managing LTE/5G-NR test cases (including test planning and results tracking)
- Willing to work extended hours and weekends when needed
Preferred Skills and Experience
- 2+ years of experience with eNB/gNB and/or modem validation
- 2+ years of lab and/or field experience in new product introduction or product certification
- Strong understanding of LTE and 5G-NR protocols with hands-on experience debugging issues at the PHY, MAC, and RRC layers
- Experience with UE log analysis and associated software tools (QXDM/XCAL)
- Experience with RAN lab equipment, including testbed setup and RF troubleshooting
- In-depth knowledge of 3GPP specifications and R17+ RAN features
- Strong skills in debugging and performance optimization; exceptional analytical skills and engineering fundamentals
Benefits
- Comprehensive medical, vision, and dental coverage
- 401(k) retirement plan
- Short and long-term disability insurance
- Life insurance
- Paid parental leave
- Employee Stock Purchase Plan with stock discount
- 3 weeks of paid vacation
- 10 or more paid holidays per year
- Paid sick leave pursuant to company policy
- Various discounts and perks
- Long-term incentives in the form of company stock or long-term cash awards
- Potential discretionary bonuses
Pay
Pay Range:
- Level 1: $135,000.00 - $175,000.00
- Level 2: $155,000.00 - $210,000.00
Your actual level and base salary will be determined on a case-by-case basis and may vary based on job-related knowledge, skills, education, and experience.
To conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, U.S. lawful permanent resident (green card holder), Refugee under 8 U.S.C.1157, or Asylee under 8 U.S.C.1158, or be eligible to obtain the required authorizations from the U.S. Department of State.