RF & Control Systems 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 Overview

We are seeking a specialized RF & Control Systems Engineer to design, develop, and validate the tracking algorithms and control systems for our satellite and ground station antennas.

Key Responsibilities:

• Collaborate with antenna vendors to define control interfaces and validate tracking performance.

• Design and simulate antenna control loops and tracking algorithms using tools like MATLAB/Simulink.

• Develop and test embedded software/firmware for Antenna Control Units (ACUs).

• Support the integration and testing of the complete tracking system in the lab and in the field.

Qualifications

Education:

Master’s degree in electrical, mechatronics, or computer engineering.

Experience:

A minimum of 3 to 5 plus years in control systems or embedded software development for RF applications.

Preferred Qualifications:

• Experience with real-time operating systems (RTOS).

• Familiarity with satellite tracking techniques (e.g., monopulse, step-track).

Soft Skills:

• Adaptability & Resilience

• Proactive Problem-Solving

• High-Impact Communication

• Collaborative & Mission-Focused

• Commitment & Drive.

Technology Stack:

• Matlab, Simulink

• Python

• Linux

• Windows, Microsoft Office Suite

Physical Requirements

• Ability to work in a standard office environment and use a computer for extended periods.

• This is a location-flexible position. The role requires the ability and willingness to travel internationally to support key project milestones, vendor engagements, and on-site integration activities as needed.

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.