Full Description

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 Overview We are seeking a Senior Systems Integration and Test Engineer to join AST SpaceMobile’s defense program. This role is responsible for hands-on integration of complex hardware and software components and execution of system-level testing. The engineer will ensure that subsystems function together as expected in various environments, including labs, anechoic chambers, and over-the-air (OTA) satellite testing. The ideal candidate has a strong background in bringing complex systems to life and verifying their performance against rigorous requirements. Key Responsibilities Develop, document, and execute comprehensive integration and test plans for space-based RF and communications systems. Lead hands-on integration of hardware and software subsystems, troubleshooting issues at the interface and system level. Collaborate with hardware, software, and systems engineering teams to define interface requirements and resolve integration challenges. Execute system-level performance testing in lab, anechoic chamber, and OTA satellite environments. Analyze test data and translate results into clear reports, presentations, and recommendations for stakeholders. Contribute to the development of automated test scripts and procedures to improve efficiency and coverage. Mentor junior engineers on integration and test best practices, tools, and procedures. Support system verification, validation, and customer acceptance testing activities. Qualifications

Education

• Bachelor’s degree in engineering or a related field; master’s degree preferred.

Experience

• A minimum of 7+ years in systems integration and test, with proven experience in RF, SATCOM, radar, or wireless systems.

Preferred Qualifications

• Familiarity with phased array technologies and satellite communications.
• Active U.S. Security Clearance highly preferred.
• Soft Skills
• Strong interpersonal skills and ability to collaborate effectively within cross-functional teams.
• Excellent written and verbal communication skills for technical documentation and reporting.
• Meticulous attention to detail to ensure accuracy of all test results and documentation.
• Strong analytical and problem-solving skills for troubleshooting complex systems.
• Technology Stack

MATLAB, Python, LabVIEW. Familiarity with RF test instruments and automated test frameworks. Physical Requirements Ability to work in a standard office environment and use a computer for extended periods. Ability to work in lab and test environments, including anechoic chambers and OTA test sites. Occasional travel may be required for system-level testing and customer support. 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.