San Fransisco, California, United States
$120-165k
Full Time
a month ago
Job description
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.
Role:
- 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)
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