Communications/DSP Intern

6 days ago

San Francisco, United States Astranis Full time

Communications/DSP Intern (Spring 2026) Astranis builds advanced satellites for high orbits, expanding humanity's reach into the solar system. Today, Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globelarge enterprises, sovereign governments, and the US military. With five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization. Astranis has raised over $750 million from some of the world's best investors, from Andreessen Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA. Role Design signal processing for custom software defined radio hardware (ex. channelization, equalization, PA linearization, gain control, carrier synchronization, symbol mapping, framing, channel coding/FEC, etc) Work closely with FPGA developers to implement and test the signal processing on radio hardware Model the end-to-end radio system from earth to space, and back. Drive radio architecture trade studies, run link budgets, optimize the radio system for maximum performance for dozens of markets and use cases around the world Requirements A passion for working in a fast-paced environment and constantly learning Strong fundamentals in "signals and systems" (basic transforms, filters, aliasing, analysis in both continuous and discrete domains, interpolation, decimation, etc) Strong fundamentals in digital communications (modulation, coding, synchronization, fading, doppler, multiple access, channel capacity, etc) Familiar with software development (some experience writing software for DSP, MCU, and/or FPGA, experience in one or more scripting languages) Familiar with analog concepts (amplifiers, analog filters, gain and delay variation, reflections, compression, etc) Experience working with signal generator, signal analyzer, network analyzer, oscilloscope, etc US Citizenship or Green Card Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria. Bonus Experience with software defined radios Experience with Python Experience with GNU Radio Experience with FPGA development (and/or embedded C) Base Hourly Pay $29 - $29 USD U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required Our mission and our products are meant to connect the world and everyone in it, regardless of gender, race, creed, or any other distinction. We believe in a diverse and inclusive workplace, and we encourage all people to join our team and bring their unique perspective to help make us stronger.

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