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Staff Communication Systems Modeling & Simulation

CesiumAstro - Austin, TX, USA - In-office - posted 2026-09-29

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CesiumAstro is seeking a Staff Communication Systems Modeling & Simulation Engineer to lead the design and development of communications system architectures for satellites, UAVs, launch vehicles, and other space and airborne platforms. In this role, you will lead system modeling, link analysis, performance evaluation, trade studies, and simulation across multiple development programs. You will develop communications system architectures and technical solutions that satisfy product, customer, performance, interoperability, and system requirements. You will leverage a digital modeling and simulation ecosystem to model communication system architecture in support of architecture trade studies, new business efforts, and requirement development. Key responsibilities include: - Leading the design and development of communications system architectures, interfaces, subsystems, and performance models - Guiding system modeling, link analysis, performance evaluation, trade studies, simulation, and system integration across programs - Developing streamlined, repeatable modeling and simulation processes and identifying opportunities for workflow automation and reuse - Conducting verification, validation, testing, simulation, integration, and troubleshooting activities - Resolving complex communications systems and system integration issues through analysis of simulation results and test data - Leading collaboration with systems, software, RF, electrical, mechanical, integration and test, quality, and program teams - Preparing technical documentation, interface control documentation, verification reports, and engineering change documentation - Leading design reviews, technical investigations, customer technical discussions, and verification activities - Evaluating communications systems engineering methods and identifying improvement opportunities - Promoting consistent application of engineering standards, company procedures, and systems engineering best practices - Guiding continuous improvement initiatives that strengthen system performance and technical execution QUIREMENTS: - Bachelor's degree in systems engineering, aerospace engineering, electrical engineering, computer engineering, or related engineering field with 8–12 years of related experience; OR Master's degree with 6–8 years of related experience; OR PhD with 3–5 years of related experience in systems engineering, system architecture, requirements management, configuration management, systems integration, or related discipline - Advanced knowledge of communications systems, systems engineering principles, system architecture, requirements development, and interface management - Proficiency in systems modeling, link analysis, performance evaluation, simulation tools, trade studies, and engineering analysis methods - In-depth knowledge of digital communications, RF fundamentals, networking concepts, signal processing, interface development, interoperability, and system integration - Understanding of systems engineering processes, verification methodologies, engineering documentation, requirements management, technical standards, and model validation - Proficiency with Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams) - Experience with engineering analysis and modeling tools such as MATLAB, Simulink, STK, Python, or equivalent - Experience with engineering documentation, requirements management, and collaboration tools such as DOORS, Jira, Confluence, or equivalent - Must be a U.S. citizen, lawful permanent resident, conditional resident, asylee, or refugee, or eligible to obtain required authorizations from the U.S. Department of State

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