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Senior Staff Mechanical Engineer

CesiumAstro - Austin, TX, United States - In-office - posted 2026-10-19

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CesiumAstro develops advanced communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We are seeking a Senior Staff Mechanical Engineer to serve as a principal technical resource driving mechanical engineering excellence across multiple products and manufacturing programs. In this role, you will apply mechanical engineering principles to develop mechanical systems, structures, mechanisms, and assemblies. You will evaluate structural performance, thermal behavior, tolerance requirements, manufacturability, and mechanical interfaces to advance engineering methodologies. Key responsibilities include leading complex engineering analyses, structural evaluations, thermal assessments, design trade studies, and technical reviews to resolve challenging mechanical engineering issues. You will lead highly complex mechanical verification, qualification, validation, and testing activities supporting engineering and manufacturing objectives. You will evaluate engineering data, test results, inspection findings, and manufacturing information to develop solutions that improve mechanical system performance and reliability. You will guide root cause investigations, engineering changes, corrective actions, and design improvements supporting successful product development. As a primary technical resource, you will provide mechanical engineering guidance through design reviews, engineering investigations, manufacturing reviews, supplier evaluations, and complex technical problem resolution. You will mentor engineers, promote consistent mechanical engineering practices, and support continuous improvement initiatives. You will advance mechanical engineering methodologies, design practices, engineering standards, verification approaches, and analytical techniques across multiple programs. You will evaluate emerging technologies and manufacturing processes to identify improvement opportunities and lead initiatives that enhance product performance, manufacturability, reliability, quality, and engineering effectiveness. This is a full-time position offering company stock options and a comprehensive benefits package including health, dental, vision, HSA, FSA, life, disability, and retirement plans. REQUIREMENTS: - Bachelor's degree in mechanical engineering, aerospace engineering, civil engineering, industrial design, engineering technology, or related technical field with 12–15 years of related experience; OR Master's degree with 8–12 years of related experience; OR PhD with 5–8 years of related experience in mechanical engineering, structural analysis, stress analysis, CAD, product design, or related engineering discipline. - Substantial knowledge of mechanical engineering principles, machine design, structural analysis, mechanical systems, and product development methodologies. - Extensive experience designing mechanical components, assemblies, structures, mechanisms, and manufacturing solutions across multiple engineering programs. - Comprehensive understanding of engineering analysis, structural analysis, thermal analysis, tolerance analysis, GD&T, manufacturing processes, product verification, and system integration. - Ability to develop innovative solutions for highly complex mechanical engineering challenges while advancing technical capabilities. - Sound judgment in guiding technical decisions, mentoring engineers, and advancing mechanical engineering methodologies. - Proficiency with Microsoft Office Suite (Outlook, Word, Excel, PowerPoint, Teams). - Proficiency with mechanical design, CAD, simulation, and engineering analysis tools such as SolidWorks, Creo, ANSYS, MATLAB, or equivalent. - Experience with engineering documentation, PLM, ERP, and collaboration tools such as Windchill, SAP, Jira, 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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