RF Test Engineer I - On-Site | Mentorship & Growth

AST & Science, LLC; Arlington (TX); On-site; USD 88,000 - 93,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) with company match

Disability insurance

Life insurance

HSA/FSA options

PTO & holidays

Career growth opportunities

Job summary

AST SpaceMobile is seeking an entry-level RF Test Engineer to join our Hardware Test team. You will design, execute, and automate RF test procedures for products and systems, working closely with senior RF engineers, hardware designers, suppliers, and production teams to ensure performance and compliance.

You will support regression testing, data recording and reporting, and calibration of RF test equipment in a hands-on lab environment on-site in Dallas/ Midland, TX or Arlington, VA, with

Qualifications

• Bachelor's degree in Electrical Engineering, RF/Microwave Engineering, or equivalent practical experience.
• Foundational understanding of RF and microwave theory including S-parameters, impedance matching, transmission lines, and modulation.
• Familiarity with RF test equipment (VNAs, spectrum analyzers, signal generators).
• Basic scripting or programming ability, preferably Python for test automation.
• Willingness to learn and work in a hands-on lab environment.
• Ability to work 100% on-site and relocate to Dallas/ Midl and Arlington within one month.

Responsibilities

• Set up and execute RF tests (S-parameters, gain, noise figure, power output, spectral purity, harmonics, intermodulation) using VNAs, spectrum analyzers, and power meters.
• Develop and maintain automated test scripts for RF characterization and production testing (Python, LabVIEW).
• Record, analyze, and document test data; identify anomalies or failures.
• Support debugging of RF hardware issues with design engineers.
• Build and maintain test fixtures and lab setups.
• Coordinate regulatory and compliance testing (FCC/CE).
• Maintain calibration schedules for RF test equipment.
• Prepare clear test reports and procedure documentation.
• Collaborate with RF design, firmware, production, and quality teams.

Skills

RF theory

S-parameters

Python

LabVIEW

Hands-on lab work

Education

Bachelor's degree in Electrical Engineering or related

Tools

VNAs

Spectrum analyzers

Signal generators

Power meters

SCPI/GPIB

Job description

AST SpaceMobile is seeking an entry-level RF Test Engineer to join our Hardware Test team. You will design, execute, and automate RF test procedures for products and systems, working closely with senior RF engineers, hardware designers, suppliers, and production teams to ensure performance and compliance.

You will support regression testing, data recording and reporting, and calibration of RF test equipment in a hands-on lab environment on-site in Dallas/ Midland, TX or Arlington, VA, with