Principal System Engineer - Payload

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 an experienced and highly innovative Principal Systems Engineer – Payload to lead the design and development of advanced end-to-end wireless systems within a complex telecommunications environment. This role is responsible for defining system architecture across both space and ground segments, ensuring performance, scalability, and reliability throughout the full product lifecycle.

Key Responsibilities:

Lead the design and development of end-to-end wireless system architectures across multiple domains

Define and manage complex system requirements in collaboration with cross-functional engineering and R\&D teams

Conduct technical trade studies and drive key architectural decisions across multidisciplinary programs

Own system requirements throughout the full lifecycle, including design, verification, validation, and qualification

Develop and optimize system architectures incorporating advanced signal processing and performance-enhancing techniques

Define system control processes, operational workflows, and telemetry strategies to ensure reliability and performance

Collaborate with engineering teams to translate research concepts into scalable, production-ready solutions

Support system integration, testing, and validation efforts, including development of test cases and performance analysis

Contribute to new product introduction and manufacturing readiness by supporting system-level optimization efforts

Drive continuous improvement and scalability of system capabilities across evolving product generations

Qualifications

Education:

Bachelor’s degree in Electrical Engineering or a related technical discipline

Experience:

A minimum of 5+ yearsof experience in wireless systems engineering, including design, integration, and testing

Experience defining system-level requirements across hardware, software, and firmware components

Hands-on experience with system architecture design and validation in complex engineering environments

Proven experience leading technical initiatives or engineering teams

Strong understanding of system integration, testing, and lifecycle management

Preferred Qualifications:

Advanced knowledge of wireless communication systems and technologies (e.g., MIMO, beamforming, channel estimation)

Experience with digital signal processing techniques and performance optimization methods

Familiarity with modern wireless standards (e.g., 4G/5G, Wi-Fi, or similar technologies)

Experience developing or supporting complex communications systems in highly technical industries

Strong background in system modeling, simulation, or performance analysis

Demonstrated ability to innovate and contribute to emerging technologies

Soft Skills:

Strong interpersonal and leadership skills with the ability to influence cross-functional teams

Excellent written and verbal communication skills

Proven ability to collaborate effectively within multidisciplinary environments

Strong analytical thinking and problem-solving capabilities

Ability to manage multiple priorities in a fast-paced, dynamic environment

Meticulous attention to detail to ensure accuracy of system designs and deliverables

Innovative mindset with a passion for continuous improvement and technical excellence

Technology Stack:

System modeling and simulation tools (e.g., MATLAB, Simulink, or equivalent)

Wireless communication and signal processing tools

Test and validation platforms (lab instrumentation, automated test systems)

Software development tools for system-level integration (various languages and environments)

Data analysis and visualization tools

Standard office productivity tools (e.g., Microsoft Office Suite)

Physical Requirements

Ability to work in a standard office and laboratory environment

Ability to sit and use a computer for extended periods

Ability to support hands-on lab testing, integration, and validation activities as needed

Occasional travel may be required based on project or business needs

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.