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Principal Propulsion Engineer (Liquid Rocket Engine Assembly RE)

Venus Aerospace - Remote - Remote - posted 2026-10-13

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Venus Aerospace is seeking a Principal Propulsion Engineer to lead the design, analysis, manufacturing, and testing of liquid rocket engine assemblies and propulsion systems. This is a senior technical role with significant scope and mentorship responsibilities. Key Responsibilities: - Support design, analysis, manufacturing, and testing of propulsion piece parts and assemblies - Generate CAD models of components and engine systems - Conduct fluid network modeling, analysis, and design; identify and source COTS components for fluid systems - Generate P&IDs of engine systems - Develop and execute test plans; analyze test results - Apply systems engineering expertise to engine balancing, sizing, requirements definition, and cycle efficiency trading - Own the entire lifecycle of engine assemblies including combustor, thrust take-out structure, gimbal system, pump, hot gas turbine, and flow control devices - Mentor younger team members to build team capability - Use agile methodology to break down complex projects into actionable tasks The role requires deep expertise in aerospace propulsion systems, with hands-on experience in design, analysis, testing, and manufacturing. You will work on multidisciplinary teams and be responsible for translating P&IDs into fully detailed CAD models of complex engine assemblies. Requirements: - 10+ years of aerospace vehicle and engine systems engineering/design experience - Bachelor's degree in aerospace or mechanical engineering - Systems engineering and operational experience - Experience working on multidisciplinary project teams - Knowledge of standard aerospace materials for high mechanical and thermal load propulsion systems - Knowledge of aerospace fluid systems components and specifications - 5+ years of CAD experience, particularly with large assemblies - Experience with design and analysis tools such as NX, SolidWorks, ANSYS Mechanical, CFX, StarCCM+, Matlab, Python, GFSSP, or Microsoft Visio - Strong communication skills for hybrid work environment - Multi-disciplinary engineering background ideally spanning mechanical design, fluid systems, structural/thermal analysis, engine testing, hands-on propulsion assembly/testing, complex CAD modeling, and design for manufacturing Preferred Qualifications: - Master's or PhD in aerospace or mechanical engineering - Experience with RDREs or RDEs - Project management/leadership experience - Familiarity with Agile methods - Strong background in systems engineering for engine or PPMS systems - Engine and/or engine component testing experience - Familiarity with aerospace standards (SMC-S-016, NASA STD-5012, AIAA S-080A-2018) - Experience developing and standardizing design, analysis, and testing processes - Responsible engineer experience in hotfire testing of liquid rocket engine assemblies Note: This position requires ITAR compliance. Applicants must be U.S. citizens, lawful permanent residents, or eligible to obtain required authorizations from the U.S. Department of State.

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