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Sr. Software Engineer - Network

Sr. Software Engineer - Network

Software Development

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.


As a Sr. Software Engineer on our Networking team, you will contribute to the team responsible for the design of a low latency, high capacity broadband network.  You will be responsible for the complete lifecycle of the software you create, including development, testing and support. 

The success of SpaceX’s satellite internet business depends on the quality of the software that you and the network team produces.  That includes reliability, fault tolerance, throughput, security and user experience. 

You are the engineer that other engineers can count on; you are technical; you attack every problem with enthusiasm; you remove hurdles.  You are a self-starter, team player, and have the hunger to venture into unknown areas and code and make the system work. 


  • Develop highly reliable software for our low latency, high capacity satellite-based global Software Defined Wireless Network
  • Develop highly available, fault-tolerant network software implementation that operates for long periods of time with minimal maintenance at scale
  • Co-develop reliable interfaces to external hardware including RF and network equipment
  • Develop simulations modules and unit tests for a variety of systems and environments
  • Interface with other software teams to build a common infrastructure and development process


  • Bachelors of Science degree in computer science, engineering, math, or science discipline
  • 6+ years of experience with modern networking protocols, their application and traffic types: TCP/IPv4/IPv6, gaming, voice, video, broadcast, on-demand streaming, etc.
  • 6+ years of using C++ or similar Object-Oriented language in shipping products


  • 3+ years designing and shipping large scale distributed systems
  • Extensive knowledge of software define networks, network topologies, routing algorithms, modeling, simulation, router design, queueing, resource arbitration, and packet prioritization, security including the effects on latency and bandwidth through the network
  • Experience with security issues associated with distributed systems and large-scale consumer internet services
  • Demonstrated ability to deliver a product from concept to production, ability to work in a dynamic environment that includes working with changing needs and requirements, work in a highly cross-functional leadership role
  • Excellent communication skills both written and verbal
  • Familiarity with RF systems and software defined radios


  • Must be willing to work extended hours and weekends as needed.


  • To conform to U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about 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 notify the Human Resources Department at (310) 363-6000.

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