System Integration and Test Engineer

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.Position OverviewWe are seeking a System Integration and Test Engineer to support advanced communications and aerospace-related programs. This role is responsible for integrating complex hardware and software systems and executing comprehensive system-level testing to ensure performance, reliability, and compliance with technical requirements. The ideal candidate is hands-on, detail-oriented, and thrives in highly technical, cross-functional environments.Key Responsibilities:Plan and execute system integration and testing activities for advanced communications platformsPerform hands-on integration of hardware and software subsystems, identifying and resolving interface and performance issuesCollaborate with cross-functional engineering teams to define integration requirements and address technical challengesConduct system-level testing in controlled lab environments as well as field or over-the-air testing scenariosAnalyze test results and provide clear documentation, reports, and actionable recommendationsTrack and communicate integration progress and status updates to stakeholdersDevelop and maintain automated test scripts and procedures to improve testing efficiency and coverageSupport system verification, validation, and acceptance testing effortsQualificationsEducation:Bachelor’s in electrical or computer engineering with an emphasis in RF/microwave, communications systems, or telecommunications (M.S. a plus, not required)Coursework in RF/microwave circuit design, antenna theory, digital/analog communications, signal processing (DSP), and electromagneticsExperience:A minimum of 0–3 years of experience in communications or RF systemsPreferred Qualifications:RF/Communications or Telecommunications experienceHands-on experience with spectrum analyzers, signal generators, network analyzers, power metersExperience with arbitrary waveform generators and signal injection techniquesFamiliarity with modulation/demodulation schemes (QPSK, etc) and link budget analysisWorking knowledge of 4G LTE and 5G architectures including Core and RAN functionsExposure to telecom test equipment (Keysight, Anritsu, etc)Understanding of over-the-air (OTA) test methodologies and RF link characterizationLab based hardware integration (bench assembly, cabling, harnessing)Test procedure development, execution, and reportingRoot cause analysis and anomaly resolution/troubleshootingEligibility to obtain or maintain a security clearance (if required)Soft Skills:Strong interpersonal skills with the ability to collaborate across diverse engineering teamsProven ability to troubleshoot complex problems and think critically under pressureExcellent written and verbal communication skills for technical documentation and reportingMeticulous attention to detail to ensure accuracy in testing and reporting deliverablesStrong organizational and time management skills in fast-paced environmentsTechnology Stack:Programming and analysis tools such as Python, MATLAB, or similarTest and measurement equipment for system validationAutomation tools or scripting frameworks for test executionData analysis and reporting toolsGeneral engineering design and collaboration platformsPhysical RequirementsAbility to work in a standard office, lab, or testing environmentAbility to operate a computer and technical equipment for extended periodsMay require occasional lifting of light equipment or working in specialized test environmentsAdditional RequirementsDue to the nature of this role and applicable federal regulations, U.S. citizenship is required. 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.