Senior RF Test & Integration Engineer - Space Systems

AST SpaceMobile; Midland (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

AST SpaceMobile is seeking a Senior RF Integration & Test Engineer to own the complete RF test lifecycle for satellite TT&C and GNSS subsystems. The role spans RF development lab work to spacecraft integration cleanroom, coordinating automated test software and flight hardware testing from validation to environmental qualification.

You will lead end-to-end ground compatibility testing, validate system CONOPS, and support satellite commissioning through In-Orbit Testing, with travel to support

Qualifications

• 5+ years of hands-on RF subsystem testing in aerospace or satellite environments.
• Proven experience with ground station compatibility testing and IOT operations.
• Experience validating software CONOPS for satellite payloads and TT&C systems.

Responsibilities

• Define, author, and execute detailed RF test procedures supporting spacecraft development, integration, and production.
• Validate satellite-level test procedures and automated scripts within the RF development lab prior to execution on flight hardware in the cleanroom.
• Lead end-to-end “test as you fly” ground compatibility testing to ensure seamless RF communication between spacecraft radios and TT&C ground stations.
• Support the development and validation of system CONOPS and mission use cases through flatsat testing and integrated RF system validation.
• Provide mission support during satellite commissioning by leading RF data analysis during In-Orbit Testing (IOT).
• Plan and execute RF testing during environmental qualification and acceptance test campaigns including TVAC, vibration, and EMI/EMC testing.
• Perform advanced RF characterization measurements including EIRP, G/T, phase noise, group delay, P1dB, and passive intermodulation.
• Operate and maintain RF metrology equipment including vector network analyzers, spectrum analyzers, signal generators, and power meters.
• Oversee operation, calibration, and architectural evolution of RF Electrical Ground Support Equipment (EGSE).
• Act as the primary on-site troubleshooting authority for automated RF test systems and related infrastructure.

Skills

RF testing

Ground testing

Python scripting

Team collaboration

Education

Electrical Engineering degree

Tools

MATLAB

Python

Linux

Docker

Job description

AST SpaceMobile is seeking a Senior RF Integration & Test Engineer to own the complete RF test lifecycle for satellite TT&C and GNSS subsystems. The role spans RF development lab work to spacecraft integration cleanroom, coordinating automated test software and flight hardware testing from validation to environmental qualification.

You will lead end-to-end ground compatibility testing, validate system CONOPS, and support satellite commissioning through In-Orbit Testing, with travel to support