Senior RF Engineer at Spire Global

Spire Global is a space-to-cloud analytics company that owns and operates the largest multi-purpose constellation of satellites. Its proprietary data and algorithms provide the most advanced maritime, aviation, and weather tracking in the world. In addition to its constellation, Spire’s data infrastructure includes a global ground station network and 24/7 operations that provide real-time global coverage of every point on Earth.

Are you passionate about space? Do you want to be part of a fast-paced, high functioning team that knows how to work hard and play hard? Is RF satellite communications your passion? Spire Global is seeking an experienced RF Monitoring System Engineer.

Your key responsibility is to drive the design, development, and deployment of RF-base satellite subsystems including software-defined radios, radio front-ends (up to Ka/Ku-band), antenna systems and associated signal processing and software control elements. You will contribute to the ground and in-orbit testing and subsystem evaluation campaigns.


Evaluate mission requirements and drive top-level RF system architecture 

Component selection and circuit level design and simulation where required; including transceivers and antennas.

Management of RF modules through production & test.

RF module test and fault-find at bench level, environmental level (EMC and thermal vacuum testing) and spacecraft level.

Lead the verification process for testing new and existing systems.

Develop systems documentation, test plans, and operational procedures.

Production of high-quality engineering documentation, typically written reports or design documents suitable for internal and external design reviews.

Setting up systems for in-orbit support and operational monitoring for subsystems


Basic link budget design and analysis

Software-Defined Radio (e.g. GNU Radio, USRP, DSP)

RF signal design techniques (e.g. modulation, encoding)

RF Hardware design experience in radio frontend and/or antenna design, in frequencies >10GHz.

Knowledge of the physical, link and network layers for wireless communication modules

Ability to make trade-offs between cost, complexity, and capabilities

Leading a communications product through the development phases from requirements definition through operations and sustainment.

Experience with RF test equipment such as spectrum analyzers, VNAs etc., ideally including working with shielded and anechoic chambers.

3+ years of experience required 

Strong candidates will also possess skills in one or more of the following:

Embedded and DSP programming (C/C++, microcontrollers, DSP)

Experience with satellite communication systems, including environmental and component reliability requirements

Communicating with cross-functional team of Engineers and Business Development

Experience with PLM systems and revision control management

Knowledge of industry regulatory requirements and licensing

RF modem design and implementation (QPSK, APSK, 16APSK, QAM)

FPGA Design/ Programming (Verilog, VHDL)

Spire is Global and our success draws upon the diverse viewpoints, skills and experiences of our employees. We are proud to be an equal opportunity employer and are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or veteran status.