RF Systems Engineer (Antenna and Ground Stations)
AST SpaceMobile
· Dallas, Texas, United States
· Nov 10, 2026
AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet – on land, at sea and in flight. Position Overview We are seeking an entry-level RF Systems Engineer to support antenna and ground station systems through design, integration, testing, and field deployment. This 100% on-site role is based in Dallas, Texas, or Arlington, Virginia, and requires up to 50% travel. Relevant internship or co-op experience is required, and exposure to Q/V-band or other millimeter-wave systems is preferred.
Responsibilities:
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Support RF system analysis for antennas and ground stations, including link budgets, gain-to-noise-temperature ratio (G/T), and effective isotropic radiated power (EIRP) calculations.
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Assist with installation, integration, and testing of RF equipment, including antennas, feeds, low-noise amplifiers (LNAs), high-power amplifiers (HPAs), and converters.
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Perform RF measurements using spectrum analyzers, network analyzers, signal generators, and power meters, and record and review the results.
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Prepare test plans, procedures, and reports, and maintain accurate system documentation.
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Coordinate with suppliers regarding deliveries, test results, and open technical issues under the guidance of senior engineers.
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Travel to ground station sites and supplier facilities to support field work and acceptance testing.
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Learn and apply team practices for design, testing, documentation, and configuration management.
Requirements:
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Bachelor's degree in Electrical Engineering, RF Engineering, Physics, or a related field.
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One or more relevant internships or co-op assignments involving RF systems, antennas, active or passive RF components, satellites, or ground stations.
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Working knowledge of RF fundamentals, including transmission lines, antennas, link budgets, noise analysis, and gain analysis.
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Hands-on familiarity with RF test equipment, including spectrum analyzers, network analyzers, signal generators, and power meters.
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Ability and willingness to work 100% on-site in Dallas, Texas, or Arlington, Virginia.
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Willingness to relocate to Dallas or Arlington and travel up to 50%.
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Coursework, projects, or internship experience involving Q/V-band systems, approximately 37 to 52 GHz, or other millimeter-wave systems.
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Experience with antenna measurements or satellite ground terminal projects, including university or student programs.
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Familiarity with MATLAB or other electromagnetic, RF, or link-analysis software.
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Exposure to coordinating with suppliers or vendors during an internship or technical project.
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Knowledge of or familiarity with Ansys HFSS modeling.
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Ability to collaborate with senior engineers, suppliers, field teams, and cross-functional partners.
Apply Now
- Company
- AST SpaceMobile
- Location
-
Dallas, Texas, United States
More jobs in Dallas - Job Type
- Full-time
- Category
- RF / Microwave
- Posted
- Nov 10, 2026
- Source
- Original posting ↗