Principal System Engineer - Payload

<div class="content-intro"><p>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.</p></div><p><strong>Position Overview</strong></p> <p>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.</p> <p><strong>Key Responsibilities:</strong></p> <ul> <li>Lead the design and development of end-to-end wireless system architectures across multiple domains</li> <li>Define and manage complex system requirements in collaboration with cross-functional engineering and R\&D teams</li> <li>Conduct technical trade studies and drive key architectural decisions across multidisciplinary programs</li> <li>Own system requirements throughout the full lifecycle, including design, verification, validation, and qualification</li> <li>Develop and optimize system architectures incorporating advanced signal processing and performance-enhancing techniques</li> <li>Define system control processes, operational workflows, and telemetry strategies to ensure reliability and performance</li> <li>Collaborate with engineering teams to translate research concepts into scalable, production-ready solutions</li> <li>Support system integration, testing, and validation efforts, including development of test cases and performance analysis</li> <li>Contribute to new product introduction and manufacturing readiness by supporting system-level optimization efforts</li> <li>Drive continuous improvement and scalability of system capabilities across evolving product generations</li> </ul> <p><strong>Qualifications</strong></p> <p><strong>Education:</strong></p> <p>Bachelor’s degree in Electrical Engineering or a related technical discipline</p> <p><strong>Experience:</strong></p> <ul> <li>A minimum of 5+ yearsof experience in wireless systems engineering, including design, integration, and testing</li> <li>Experience defining system-level requirements across hardware, software, and firmware components</li> <li>Hands-on experience with system architecture design and validation in complex engineering environments</li> <li>Proven experience leading technical initiatives or engineering teams</li> <li>Strong understanding of system integration, testing, and lifecycle management</li> </ul> <p><strong>Preferred Qualifications:</strong></p> <ul> <li>Advanced knowledge of wireless communication systems and technologies (e.g., MIMO, beamforming, channel estimation)</li> <li>Experience with digital signal processing techniques and performance optimization methods</li> <li>Familiarity with modern wireless standards (e.g., 4G/5G, Wi-Fi, or similar technologies)</li> <li>Experience developing or supporting complex communications systems in highly technical industries</li> <li>Strong background in system modeling, simulation, or performance analysis</li> <li>Demonstrated ability to inno