RF Systems Engineer (Antenna and Ground Stations)

AST SpaceMobile
Dallas, TX
On-site

Who this role is best for

Aimed at entry-level RF engineering candidates with hands-on experience who are comfortable with on-site work and field travel.

Best fit for

  • Entry-level RF engineers with internship experience in satellite or ground station systems
    — “Relevant internship or co-op experience is required”
  • Candidates with a background in RF fundamentals and test equipment usage
    — “Working knowledge of RF fundamentals, including transmission lines, antennas, link budgets, noise analysis, and gain analysis”
  • Individuals who can adapt to on-site, hands-on engineering environments and field travel
    — “Ability and willingness to work 100% on-site in Dallas, Texas, or Arlington, Virginia”

Things to consider

  • The role requires 100% on-site presence and up to 50% travel, limiting remote flexibility
    — “This 100% on-site role is based in Dallas, Texas, or Arlington, Virginia, and requires up to 50% travel”
  • No relocation allowance is provided, which may affect candidates needing to move
    — “No relocation allowance is provided”

How to stand out

  • Highlight experience with RF test equipment and link budget calculations in your resume
    — “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”
  • Emphasize any prior work with millimeter-wave systems or Q/V-band in your application
    — “Exposure to Q/V-band or other millimeter-wave systems is preferred”
  • Showcase your ability to coordinate with suppliers or vendors during technical projects
    — “Coordinate with suppliers regarding deliveries, test results, and open technical issues under the guidance of senior engineers”
  • Demonstrate attention to detail in documentation and reporting from past roles
    — “Attention to detail when preparing calculations, test records, reports, and configuration documentation”
  • Mention familiarity with MATLAB or Ansys HFSS in your resume or interview responses
    — “Familiarity with MATLAB or other electromagnetic, RF, or link-analysis software”
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • Supporting RF system design and testing
  • Performing accurate RF measurements
  • Maintaining system documentation
Typical background
Electrical EngineeringRF EngineeringPhysics

Skills & requirements

Required

RF System AnalysisAntenna And Ground Station SystemsRF MeasurementsTest Plans And ProceduresRF Test EquipmentLink BudgetsG/T CalculationsEIRP CalculationsCollaboration With Senior EngineersField Work And Acceptance Testing

Preferred

Q/v-band SystemsAntenna MeasurementsSatellite Ground Terminal ProjectsMatlabAnsys HFSS Modeling

Stack & domain

RF System AnalysisLink BudgetsG/TEIRPRF EquipmentSpectrum AnalyzersNetwork AnalyzersSignal GeneratorsPower MetersMatlabAnsys HFSSCommunicationProblem-solvingCollaborationAttention To DetailAdaptabilitySatelliteGround StationMillimeter-wave Systems

About the role

Original posting from AST SpaceMobile

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. 

Key Responsibilities 

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.

Assist with installation, integration, and testing of RF equipment, including antennas, feeds, low-noise amplifiers (LNAs), high-power amplifiers (HPAs), and converters.

Perform RF measurements using spectrum analyzers, network analyzers, signal generators, and power meters, and record and review the results.

Prepare test plans, procedures, and reports, and maintain accurate system documentation.

Coordinate with suppliers regarding deliveries, test results, and open technical issues under the guidance of senior engineers.

Travel to ground station sites and supplier facilities to support field work and acceptance testing.

Learn and apply team practices for design, testing, documentation, and configuration management.

Qualifications 

Education 

Bachelor's degree in Electrical Engineering, RF Engineering, Physics, or a related field. 

Experience 

One or more relevant internships or co-op assignments involving RF systems, antennas, active or passive RF components, satellites, or ground stations.

Working knowledge of RF fundamentals, including transmission lines, antennas, link budgets, noise analysis, and gain analysis.

Hands-on familiarity with RF test equipment, including spectrum analyzers, network analyzers, signal generators, and power meters.

Ability and willingness to work 100% on-site in Dallas, Texas, or Arlington, Virginia.

Willingness to relocate to Dallas or Arlington and travel up to 50%.

Preferred Qualifications 

Coursework, projects, or internship experience involving Q/V-band systems, approximately 37 to 52 GHz, or other millimeter-wave systems.

Experience with antenna measurements or satellite ground terminal projects, including university or student programs.

Familiarity with MATLAB or other electromagnetic, RF, or link-analysis software.

Exposure to coordinating with suppliers or vendors during an internship or technical project.

Knowledge of or familiarity with Ansys HFSS modeling.

Soft Skills 

Clear written and verbal communication skills.

Strong analytical, organizational, and problem-solving skills.

Ability to collaborate with senior engineers, suppliers, field teams, and cross-functional partners.

Attention to detail when preparing calculations, test records, reports, and configuration documentation.

Adaptability and readiness to support frequent field travel and hands-on work.

Technology Stack 

RF test equipment: spectrum analyzers, vector network analyzers, signal generators, and power meters.

RF and system analysis: link budgets, G/T calculations, EIRP calculations, and noise and gain analysis.

Simulation and modeling: MATLAB and Ansys HFSS preferred.

RF hardware: antennas, feeds, LNAs, HPAs, converters, and satellite ground station equipment.

Physical Requirements 

Ability to work in on-site engineering, laboratory, supplier, and ground station environments.

Ability to set up, operate, and support the installation of RF test equipment, antennas, cables, fixtures, and related hardware.

Ability to travel up to 50%, primarily to ground station sites and supplier facilities.

Ability to follow applicable site, laboratory, environmental, health, and safety procedures.

Compensation and Benefits 

Competitive salary range of $90,000 to $97,000.

Competitive benefits package.

No relocation allowance is provided.

Benefits & Perks

At AST, we value our employees and offer a comprehensive benefits package designed to support your health, financial well-being, and work-life balance.

Medical, Dental, and Vision Insurance

401(k) Retirement Plan with Company Match

Company-Paid Short-Term Disability (STD) and Long-Term Disability (LTD) Insurance

Company-Paid Life and Accidental Death & Dismemberment (AD&D) Insurance

Health Savings Account (HSA) and Flexible Spending Account (FSA) Options

Employee Assistance Program (EAP)

Voluntary Supplemental Benefits

Paid Time Off (PTO) and Company Holidays

Career Growth and Development Opportunities

This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. 

AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Source: AST SpaceMobile careers

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