Sr. RAN Software Engineer (Starlink Mobile)
About The Position
SpaceX is developing a satellite-to-mobile network to deliver ubiquitous cellular connectivity worldwide through the Starlink constellation. We are partnering with mobile network operators globally to provide direct-to-cell service, extending coverage to billions of existing cellular devices. Starlink Mobile was designed to connect the unconnected, and this new product will greatly expand that mission by extending coverage to billions of existing cellular devices. Applications include connecting hikers in national parks, emergency responders, rural communities, remote sensors, and people in emergency situations. As a Sr. Software RAN Engineer on the Starlink Mobile program, you will lead the validation and optimization of the 4G/5G RAN software protocol stack. This role requires strong software engineering skills to build scalable test automation frameworks and work directly with other software developers to triage and resolve complex 4G/5G protocol stack software issues.
Requirements
- Bachelor’s degree in a STEM discipline
- 5+ years of Python/C/C++ coding experience
- 5+ years of experience developing, executing, and managing automated LTE/5G-NR test cases (including test planning and results tracking)
- Experience with user equipment (UE) log analysis and associated software tools (QXDM/XCAL)
- Experience developing test automation frameworks or CI/CD pipelines
Nice To Haves
- In-depth knowledge of 3GPP specifications and R17+ RAN features
- Strong understanding of LTE and 5G-NR protocols with hands-on experience resolving software issues at the PHY, MAC, and RRC layers
- Experience supporting products through the full release cycle including commercial deployment
- Strong skills in debugging and performance optimization; exceptional analytical skills and engineering fundamentals
Responsibilities
- Lead the design, development, and maintenance of CI/CD test automation 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 resolves issues and drive feature improvements
- Build software tools and data pipelines to analyze RAN performance and optimize eNB/gNB parameters to improve network KPIs
- Manage and prioritize network issues while collaborating closely with development teams to drive resolution
- Troubleshoot and maintain RAN lab infrastructure in collaboration with partner teams
Benefits
- Comprehensive medical, vision, and dental coverage
- Access to a 401(k) retirement plan
- Short and long-term disability insurance
- Life insurance
- Paid parental leave
- Various other discounts and perks
- 3 weeks of paid vacation
- 10 or more paid holidays per year
- Paid sick leave
- Long-term incentives, in the form of company stock or long-term cash awards
- Potential discretionary bonuses
- Employee Stock Purchase Plan
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What This Job Offers
Job Type
Full-time
Career Level
Senior
