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Relativity Space

Develops 3D-printed reusable rockets for launches

Senior Avionics Hardware Engineer - RF

AvionicsConfirmed live in the last 24 hours
Full-timeLong Beach, CA, USAIn-person

About the Job

Requirements

  • A bachelor's degree in Electrical Engineering, Computer Engineering, or a related field is required.
  • At least 5 years of experience in electronics designed for harsh environments and mission-critical applications such as launch vehicles, spacecraft, aircraft, or robotics is required.
  • Experience with hardware bring-up, validation, debugging, and data analysis is required.
  • Experience working with cross-functional teams, including GNC, mechanical, electrical, and software teams, to develop integrated electronics solutions is required.
  • A deep understanding of RF system fundamentals, including impedance matching, transmission line theory, link budget analysis, RF propagation effects, and antenna theory covering gain, beamwidth, polarization, and radiation patterns, is required.

Responsibilities

  • Own the development, test, and integration of GPS-based navigation system avionics used within the Terran R launch vehicle.
  • Work with cross-functional partner teams across the company and conduct architectural trades.
  • Develop acceptance and qualification test plans.
  • Be responsible for critical sensory infrastructure that enables landing, recovery, and reuse of the vehicle booster stage.
  • Provide technical guidance across the vehicle's RF architecture, including telemetry downlinks, command uplinks, and antenna system deployment.
  • Mentor hardware engineers on RF design fundamentals, review design analyses, and support architectural trades.
  • Collaborate across systems to ensure RF systems work cohesively from design through operations.

Desired Qualifications

  • In-depth knowledge of GNSS receiver systems, including PVT calculation, satellite tracking and acquisition, error sources, and RF front-end architecture.
  • Understanding of RF communication systems, including modulation schemes (FSK, PSK, OQPSK, SOQPSK), channel coding, and bit error rate analysis.
  • Experience combining data from navigation sensors such as GPS, IMU, magnetometers, altimeters, and LiDAR to achieve robust and accurate navigation solutions.
  • Experience with high-speed serial interfaces such as SPI, PCIe, and Ethernet; memory interfaces; and design for SoCs, microcontrollers, and microprocessors.

About the Company

Relativity Space

Develops 3D-printed reusable rockets for launches

Relativity Space designs and launches rockets that are largely built with 3D-printed parts. Its core product line includes the Terran R, a medium-to-heavy lift rocket designed to be reusable and capable of delivering payloads to LEO and GTO. The company works by using advanced additive manufacturing to print most rocket structures and components in-house, reducing parts, complexity, and production time, and then offers launch services to customers who want to put satellites or other payloads into space. Unlike many peers, Relativity Space relies on a predominantly 3D-printed, vertically integrated approach with its own proprietary designs and manufacturing processes, aiming to streamline production and cut costs. The goal is to make access to space cheaper and more reliable by building a scalable, in-house manufacturing platform and a reusable rocket fleet that can deploy payloads on demand.

Company size
1,001-5,000
Company stage
Growth Equity (Venture Capital)
Total funding
$2.2B
Headquarters
Long Beach, CA
Founded
2016

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