Lead Radar Instrument Engineer
- Salary
- $175,000 - $263,000
- Level
- Lead
- Work type
- Hybrid · Long Beach
Not stated in the posting: visa.
Open. First seen 28 October 2026.
About the role
Relativity Space's standard text
At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.
Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time.
Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting.
Join us.
About the Team:
The Interplanetary Sciences Program was established to expand access to scientific exploration across our solar system. Its mission is to make planetary research faster, more affordable, and more capable than ever before by rethinking how science missions are designed, built, and operated. The program aims to enable scientists to send instruments to distant worlds without decades of development or prohibitive costs.
By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens participation, and inspires the next generation of explorers.
About the Role:
You'll be the technical lead and responsible engineer for a wideband UHF shallow radar sounder for a Mars orbiter mission, owning the instrument from design through spacecraft integration, calibration, and commissioning.
The instrument operates in two modes: a sounder mode that measures subsurface layer reflections and a radiometer mode that measures the temperature of subsurface layers over a wide footprint.
This is a hybrid role: you will personally execute significant portions of the design and analysis while providing technical leadership, working closely with our science partners as their primary engineering counterpart. You will co-design the instrument against science objectives and develop the flight hardware and processing implementations.
- Own the system design for the radar electronics, signal processing chain, and antenna system at the vehicle level for both sounder and radiometer modes, including instrument performance, power, and mass budgets, link budgets, and SNR/penetration-depth analyses
- Lead waveform trade studies in collaboration with the science partners, implement the waveforms and baseline algorithms they develop, and co-design with the science team to ensure the instrument meets science adequacy and mission science objectives
- Lead the hardware development, including prototype development and validation at the brass board level ahead of flight designs
- Define the instrument calibration scheme for both radar and radiometer modes
- Coordinate hardware development across RF, digital, power, and mechanical disciplines, along with firmware and software development
- Lead instrument qualification and acceptance testing, integration into the spacecraft, and terrestrial analog flight testing, including test integration and post-flight data review
- Perform spectrum licensing and frequency coordination for instrument operation and testing and support instrument calibration and on-orbit commissioning
About You:
- 7+ years of experience in electrical hardware development, such as software defined radios, radar transceivers, or sophisticated digital processors
- Demonstrated ability to develop and manage radar system performance budgets
- Experience with analysis and modeling of radar returns and radar performance
- Experience implementing radio or radar transceivers as software-defined radios
- Field testing, flight testing, or spaceflight experience with radio or radar transceivers
- Deep expertise in one or more of the following:
- Implementation of signal processing chains in FPGA and/or GPU processing
- Design of mixed-signal and digital PCBs, such as software-defined radios or board-level FPGA designs
- RF circuit design, including power amplifiers, low-noise amplifiers, and filters
- Antenna design and verification
Nice to haves but not required:
- Experience with microwave radiometry or radiometer instrument design
- Familiarity with planetary or terrestrial radars (e.g., SHARAD, MARSIS, RIMFAX, ice-penetrating radar)
- Hands-on experience with AMD/Xilinx RFSoC or Zynq UltraScale+ platforms
- Experience with spectrum licensing and frequency coordination for experimental or space systems
- Experience with polarimetric radar and full-polarimetry calibration
- Experience taking RF payloads through PDR/CDR, qualification, and spacecraft integration
At Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.
Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.
Hiring Range:
Relativity Space's standard text
$175,000—$263,000 USD
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
If you need a reasonable accommodation, please contact us at accommodations@relativityspace.com.
Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.
What this role asks for
Particular to this role
Embedded Systems · FPGA · PCB Design
Rare in Relativity Space's other 275 open postings.
66% of this description is written for the role. The rest is Relativity Space's standard text, folded away below.
Compared with Relativity Space's other open jobs.
The team: Interplanetary HIRES STEADILY
This role is one of 21 open in Interplanetary. 3 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Embedded Systems (7 of 21), PCB Design (4 of 21), Python (3 of 21), FEA (2 of 21), GD&T (2 of 21), MATLAB (2 of 21), SolidWorks (2 of 21)
OTHER ROLES ON THIS TEAM
- Spacecraft Responsible Engineer posted Oct 19
- Staff Assembly, Integration & Test (AIT) Engineer posted Sep 30
- Senior Controls Engineer, Optical Beam Pointing posted Sep 24
- Senior Mission Design and Navigation Engineer posted Sep 15
- Software Engineer, Operations posted Sep 10
- Staff HITL Engineer posted Sep 2
- Senior Electrical Engineer posted Sep 2
- Staff Electrical Engineer posted Sep 2
- Staff Avionics Mechanical Engineer posted Sep 2
- Senior Avionics Mechanical Engineer posted Sep 2
- Staff Avionics Hardware Engineer posted Sep 2
- Senior Avionics Hardware Engineer posted Sep 2
- Staff Integration and Test Responsible Engineer posted Aug 10
- Staff Software Engineer, Storage Platform posted Jun 10
- High Performance Compute Responsible Engineer posted Jun 10
- Staff Optical Communications Engineer posted Jun 2
- Senior Optical Communications Engineer posted Jun 2
- Staff Structures Engineer posted Mar 16
- Senior Structures Engineer posted Mar 16
- Senior RF Engineer posted Feb 4
From the team and dates on Relativity Space's own job board.
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