Summary
Job Description
- Design and optimize wireless systems algorithms at the MAC and PHY layer for link adaptation, power control, timing advance, and doppler tracking.
- Design and simulate complex MAC layer scheduling algorithms that support joint scheduling of users across multiple beams subject to Quality of Service (QoS) and latency constraints.
- Analyze inter-cell and inter-beam interference on both uplink and downlink, identify issues on-orbit, and propose solutions through beam planning optimizations, MAC layer scheduling improvements, or advanced signal processing techniques.
- Run link level simulations and system level simulations to compare performance of different algorithms at all layers of the protocol stack.
- Work directly with software engineers to implement algorithms and deploy to orbit.
- Qualify algorithm performance in production through aggregate KPI analysis, high rate per TTI telemetry, and UE log analysis.
- Develop high-fidelity models for wireless systems in non-terrestrial applications that leverage 3GPP defined protocols (4G/5G/6G).
- Bachelor’s degree in computer science, engineering, math, or STEM discipline and 1+ years of engineering experience (internship/project experience is acceptable); OR 5+ years of professional engineering experience, in lieu of a degree.
- Experience with MAC and PHY layer protocols and algorithms used in cellular base stations.
- Experience working with 3GPP protocols.
- Master's degree or PhD in wireless communication systems.
- Experience with system design or implementation of MAC and PHY algorithms for cellular systems.
- Prior experience debugging issues for a production wireless network deployed at scale.
- Prior experience with link level simulations that characterize physical layer decode performance under different channel models.
- Prior experience with system level simulation of a communication network modeling inter-cell and inter-user interference.
- Fluent in MATLAB and working knowledge of python and/or C/C++.
- Strong skills in debugging, performance optimization, and data analysis; exceptional analytical skills and engineering fundamentals.
- Excellent verbal and written communication skills.
- Ability to work effectively in a dynamic environment with changing needs and requirements.
- Willing to work extended hours and weekends when needed
Software Engineer/Level I: $135,000.00 - $155,000.00/per year
Software Engineer/Level II: $155,000.00 - $185,000.00/per year
ITAR REQUIREMENTS:
- To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to EEOCompliance@spacex.com.
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