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RAN VALIDATION ENGINEER (STARLINK MOBILE)

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 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 

BASIC QUALIFICATIONS: 

• Bachelor's degree in a STEM discipline 
• Strong understanding of LTE and 5G-NR protocols with hands-on experience debugging issues at the PHY, MAC, and RRC layers 
• Experience with RAN parameter configuration, optimization, and performance analysis 
• Experience developing, executing, and managing LTE/5G-NR test cases (including test planning and results tracking) 
• Experience with UE log analysis and associated software tools (QXDM/XCAL) 
• Experience with RAN lab equipment, including testbed setup and RF troubleshooting 
• Strong proficiency in Python for test automation and data analysis, along with experience in Linux and code repositories (Git)  

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 
• In-depth knowledge of 3GPP specifications and R17+ RAN features 
• Experience with RAN lab equipment, including testbed setup and RF troubleshooting 
• Strong skills in debugging and performance optimization; exceptional analytical skills and engineering fundamentals 

ADDITIONAL REQUIREMENTS: 

• Willing to work extended hours and weekends when needed

COMPENSATION AND BENEFITS:    

Pay range:    
Communications integration Engineer/Level I: $135,000.00 - $155,000.00/per year    
Communications Integration Engineer/Level II: $155,000.00 - $185,000.00/per year    

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k)-retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.