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Research and Development Engineer (CFD)

Modern Technology Solutions

Dayton, OH · Posted October 27, 2026

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About the job

Modern Technology Solutions, Inc. (MTSI) is hiring a Research and Development Engineer (CFD) in Dayton, OH. This position requires an active TS/SCI clearance.

Responsibilities: • Apply deep technical knowledge of hypersonic aerothermodynamics and related modeling techniques to model, simulate, and analyze hypersonic systems. • Work in a dynamic R&D environment where innovation and collaboration are highly valued. • Use high-fidelity computational fluid dynamics CFD modeling applications.

Required Qualifications: • Bachelor’s degree in Aeronautical Engineering, Mechanical Engineering, Physics, or Mathematics. • Minimum of 4 years of relevant experience in DoW or IC programs. • Strong knowledge of hypersonic aerothermodynamic phenomenology. • Proficiency in using high-fidelity computational fluid dynamics CFD modeling applications. • Proven ability to manage multiple projects and prioritize effectively in a fast-paced R&D environment. • Strong communication skills capable of conveying complex technical concepts to both technical and non-technical stakeholders. • Teamwork skills with the ability to collaborate effectively across disciplines and departments, while also being self-sufficient when needed.

Desired Qualifications: • Master’s degree in Aeronautical Engineering, Mechanical Engineering, Physics, or Mathematics with coursework and/or research in the fields of hypersonic, physical gas dynamics, or numerical methods. • 6+ years of relevant experience in the field. • Advanced experience in GEOINT processing research and development. • Extensive experience with academic, government, or commercial CFD tools and workflows. • Expertise in modeling and simulating advanced foreign weapon systems' aerodynamic performance and signatures.

Clearance Requirements: • Must be a U.S. Citizen. • Active TS/SCI clearance

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