Senior RF Engineer

Overview

As a Senior RF Engineer at Spire, you will design and optimize RF subsystems for next‑generation satellite communications, navigation, or RF monitoring systems. You will work with cross‑functional teams to translate requirements into robust RF solutions used on spaceborne platforms. The role emphasizes hands‑on design, testing and space qualification, in a fast‑moving, innovative environment. You will help shape high‑frequency, high‑power RF architectures and enable reliable, space‑grade performance.

Pay / Benefits

• Name Your Satellite Program (NYSP)
• Launch Attendance
• Generous Time Off Policy
• Education Assistance Program
• Employee Stock Purchase Program (ESPP)
• Family Leave

Responsibilities

• Contribute to the design and development of RF subsystems for satellite communication, navigation or RF monitoring systems
• Component selection and circuit-level design using PCB software (Altium) and simulations (CST, ADS)
• Manage RF modules through production and test
• Lead RF testing, validation and space qualification efforts
• Develop test plans and operational procedures
• Provide technical consultancy to software engineering, payloads, satellite operations and manufacturing teams

Key requirements

• 5+ years of working experience in design, development and testing of RF systems
• Hands-on RF simulation, design and manufacturing experience and fault-finding during test
• PCB schematic capture and layout for RF circuits
• Experience with laboratory or field RF testing with equipment such as Network Analyzer, Signal Analyzer and Signal Generator
• Measuring performance of passive and active circuits to back up system requirements (phase noise, compression points, chain losses)
• Tuning of RF circuits for optimal performance
• Proficiency in simulation tools (ADS, CST, HFSS, MATLAB)
• Strong problem-solving skills and team collaboration
• Proficiency in scripting languages and testing tools (Python)

• strong analytical and problem‑solving skills
• ability to work in a fast-changing, innovative environment
• clear communication skills
• High-frequency RF systems (Ku-band, Ka-band)
• End-to-end RF system analysis, simulation, optimization
• Frequency spectrum management knowledge

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