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Communication Systems Engineer Modeling & Simulation II

CesiumAstro - Westminster, CO, United States - In-office - posted 2026-09-29

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CesiumAstro develops advanced communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We are seeking a Communication Systems Engineer, Modeling & Simulation II to join our engineering team in Westminster, CO. In this role, you will support the design, development, integration, and testing of communications systems across our product portfolio. You will apply systems engineering principles to develop communications solutions, improve system performance, and resolve communications systems challenges throughout the product lifecycle. Key responsibilities include: - Assist with design and development of communications system architectures, interfaces, subsystems, and performance models - Perform system modeling, link analysis, performance evaluation, trade studies, and simulation activities - Review system requirements, interface specifications, architecture documentation, and technical documentation - Leverage and contribute to a digital modeling and simulation ecosystem to support architecture trade studies, business efforts, and requirement development - Identify workflow automation opportunities to establish streamlined, repeatable modeling and simulation processes - Perform verification, validation, testing, simulation, integration, and troubleshooting activities - Analyze simulation results, system performance data, and test results to identify trends and recommend solutions - Support root cause investigations, engineering changes, system improvements, and corrective actions - Collaborate cross-functionally with systems, software, RF, electrical, mechanical, integration, test, quality, and program teams - Prepare technical documentation, interface control documentation, verification reports, and engineering change documentation - Participate in design reviews, technical investigations, customer support, system integration, and verification activities - Review communications systems engineering methods and identify improvement opportunities - Apply engineering standards, company procedures, and systems engineering best practices - Contribute to continuous improvement initiatives You will work in a dynamic, cross-functional environment with hands-on, interactive, and autonomous work opportunities. REQUIREMENTS: - Bachelor's degree in aerospace engineering, electrical engineering, systems engineering, computer engineering, or related engineering field with 2–5 years of related experience; OR Master's degree with 0–3 years of related experience in communications systems engineering, system architecture, RF systems, systems integration, or related engineering discipline - Working knowledge of communications systems, systems engineering principles, system architecture, requirements development, and interface management - Experience with systems modeling, link analysis, performance evaluation, simulation tools, and engineering analysis methods - Understanding of digital communications, RF fundamentals, networking concepts, signal processing, interface development, and system integration - Knowledge of systems engineering processes, verification methodologies, engineering documentation, technical standards, and requirements management - Familiarity with modeling and simulation, product development, configuration management, and multidisciplinary engineering collaboration - 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 applications - Experience with engineering documentation, requirements management, and collaboration tools such as DOORS, Jira, Confluence, or equivalent applications Note: Applicant 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 to comply with U.S. Government Space Technology Export Regulations.

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