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Senior Staff Mechanical Engineer

CesiumAstro - El Segundo, CA, United States - In-office - posted 2026-10-15

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CesiumAstro is seeking a Senior Staff Mechanical Engineer to lead the development and advancement of mechanical systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. This is a hands-on, technical leadership role within a dynamic, cross-functional environment. Key Responsibilities: - Apply mechanical engineering principles to develop mechanical systems, structures, mechanisms, and assemblies across multiple products and manufacturing programs. - Evaluate structural performance, thermal behavior, tolerance requirements, manufacturability, and mechanical interfaces to advance engineering methodologies. - Lead complex engineering analyses, structural evaluations, thermal assessments, design trade studies, and technical reviews to resolve challenging mechanical engineering issues. - Lead highly complex mechanical verification, qualification, validation, and testing activities supporting engineering and manufacturing objectives. - Analyze engineering data, test results, inspection findings, and product performance to develop solutions that improve mechanical system performance and reliability. - Guide root cause investigations, engineering changes, corrective actions, and design improvements supporting successful product development and manufacturing. - Serve as a primary technical resource for mechanical engineering across significant engineering and manufacturing initiatives. - Provide mechanical engineering guidance through design reviews, engineering investigations, manufacturing reviews, supplier evaluations, and complex technical problem resolution. - Mentor engineers and promote consistent mechanical engineering practices across the organization. - Advance mechanical engineering methodologies, design practices, engineering standards, verification approaches, and analytical techniques across multiple programs. - Evaluate mechanical engineering methods, design practices, manufacturing processes, and emerging technologies to identify improvement opportunities. - Lead initiatives that enhance product performance, manufacturability, reliability, quality, design efficiency, and engineering effectiveness. 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). - Experience with mechanical design, CAD, simulation, and engineering analysis tools such as SolidWorks, Creo, ANSYS, MATLAB, or equivalent applications. - Experience with engineering documentation, PLM, ERP, and collaboration tools such as Windchill, SAP, Jira, or equivalent applications. - 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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