Spacex
Spacex~1mo ago
$200,000 – $285,000/yr

Principal RF Software Engineer (Starshield)

United StatesHawthornelead
Software EngineerSoftware Engineering
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Quick Summary

Key Responsibilities

Drive program-level decisions on RF system designs Research novel solutions for unique large-scale satellite RF systems Design, build, validate,

Technical Tools
Software EngineerSoftware Engineering

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.

Starshield leverages SpaceX’s Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and commercial use, Starshield is designed for government use, with an initial focus on earth observation, communications, and hosted payloads. As a RF software engineer on the Starshield team, you will be working on advanced development programs in support of US National Security. You will work with a team of RF engineers, DSP engineers, software engineers, hardware engineers and end users to design and build RF capabilities for proliferated communications and remote sensing in low earth orbit. You will work in a highly collaborative and fast-paced environment, where we are exploring unsolved problems and applying the SpaceX mindset of iterating rapidly to go from design and demo to operational capability at lightning pace.

Responsibilities

~1 min read
  • Drive program-level decisions on RF system designs
  • Research novel solutions for unique large-scale satellite RF systems
  • Design, build, validate, and automate RF test benches for full characterization of custom RF designs, often involving vector network analyzers (VNA), vector signal generators (VSG), vector signal analyzers (VSA), spectrum analyzers, load pulls, RF power meters, high-speed oscilloscopes, and other common lab equipment
  • Design and build modular, scalable RF test infrastructure and test automation sequences in Python and C++ to support design validation, qualification, and production
  • Work in close collaboration with hardware, FPGA, DSP, and software engineers to design and validate RF systems
  • Create electromagnetic simulation models of hardware to design and evaluate performance

Requirements

~1 min read
  • Bachelor’s degree in electrical engineering or other engineering discipline
  • 8+ years of professional development experience in C/C++ or Python
  • Experience with radio test equipment such as spectrum analyzers, vector signal analyzers, vector signal generators, and network analyzers
  • RF experience with antennas or communication systems

Requirements

~1 min read
  • Master's degree in electrical engineering or other engineering discipline
  • Experience with testing both active and passive RF devices such as filters, amplifiers, mixers, and upconverters/downconverters
  • Experience with common RF concepts such as gain, linearity, P1dB, ACLR, EVM, PAE, S-parameters, and input/output matching
  • Experience with software design principles, software architecture, design patterns, and unit/integration testing methodology
  • Experience with environmental test methodologies and equipment such as thermal chambers and temperature forcing systems
  • Experience troubleshooting interactions between software and hardware such as network devices and lab instrumentation
  • Experience using Windows and Linux operating systems 
  • Experience with configuration management and version control software

Requirements

~1 min read
  • Ability to obtain and maintain Active Top Secret or Top Secret SCI clearance
  • Active Top Secret or Top Secret SCI clearance preferred. Must be willing to pursue a clearance if not already cleared. Note that an active clearance may provide the opportunity for you to work on sensitive SpaceX missions. If so, you will be subject to pre-employment drug and random drug and alcohol testing.
  • Must be willing to work extended hours and weekends as needed

Requirements

~1 min read
  • 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

Location & Eligibility

Where is the job
Hawthorne, United States
On-site at the office
Who can apply
US
Listed under
United States

Listing Details

First seen
March 25, 2026
Last seen
April 27, 2026

Posting Health

Days active
32
Repost count
0
Trust Level
42%
Scored at
April 27, 2026

Signal breakdown

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SpaceX is a leader in aerospace manufacturing and space transport services, founded to make life multiplanetary.

Employees
3k+
Founded
2002
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SpacexPrincipal RF Software Engineer (Starshield)$200k–$285k