RF/Communication Systems Engineer

Astranis is on a mission to bridge the digital divide by connecting the four billion people worldwide who currently lack internet access. We're doing this by building the next generation of smaller, more cost-effective spacecraft to bring the world online. As a team, we’ve launched two satellites into orbit, signed ten commercial deals worth over $1 billion in revenue, raised over $500 million from top global investors, and recruited a team of over 300 world-class engineers. We all work out of our (legendary) San Francisco office, which was once used to build ships during the World Wars. Our satellites, which operate from geostationary orbit (GEO), weigh only 400 kg and utilize a proprietary software‑defined radio payload. Each satellite can connect over two million people, and we’re very excited for the impact we’ll soon have in the Philippines, Peru, Mexico, and more Backed by substantial funding and a passionate, collaborative team, we offer a rewarding work environment where you'll learn and make a significant impact, no matter where you are in your career. Apply and join us on our journey towards global connectivity RF/Communication Systems Engineer As a RF/Communication Systems Engineer at Astranis you will be responsible for the architecture, design, and modeling of our satellites' communication payloads. You will work closely with many other teams including but not limited to the antenna, SDR, RF, DSP, and mechanical teams in order to design the best possible radio systems. Own architectural trade studies, and establish system and unit level requirements analytically or via simulation Lead R&D efforts for new radio features / technologies / custom components Work closely with many design teams, including RF, Antenna, digital hardware, FPGA, mechanical, thermal Communications‑related signal processing algorithm design and test Assist in recruiting, interviewing, and hiring additional teammates to our rapidly‑growing team. Requirements Bachelor of Science degree in electrical engineering or equivalent 3+ years of experience Strong technical communication skills (oral and written) Strong fundamentals in "signals and systems" and digital communications Familiar with hardware components and their associated impairments / limitations Comfortable working in the lab, testing radio hardware, using signal generator, signal analyzer, network analyzer, oscilloscope, etc Proven ability to triage and debug issues discovered in testing Comfortable developing software (Python, and some C/C++) Fast to learn new tools and workflows A passion for working in a fast‑paced environment and constantly learning Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria. Bonus Familiarity with satellite radio systems (ground segment and/or space segment) RF system design and budgeting Radio characterization test planning, automation and execution Comfortable with software, especially Python, git, GNU Radio Fixed point implementation of signal processing algorithms Familiarity with multi‑rate signal processing techniques (polyphase filters, resamplers, etc) Multi‑antenna systems (beamforming, null‑steering) Direct sequence spread spectrum (DSSS) modem design Familiarity with satellite waveforms and modems (DVB‑S2/x, DVB‑RCS2) What we offer: All our positions offer a compensation package that includes equity and robust benefits. Base pay is a single component of Astranis's total rewards package, which may also include equity in the form of incentive stock options, high‑quality company‑subsidized healthcare, disability and life insurance benefits, flexible PTO, 401(K) retirement, and free on‑site catered meals. Base Salary $120,000 — $165,000 USD U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required (To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3)). 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. #J-18808-Ljbffr