Research and Development Engineer (CFD)

Modern Technology Solutions, Inc.
401(k)
United States, Virginia, Springfield
Jan 01, 2026
Modern Technology Solutions Incorporated (MTSI) is seeking a motivated and skillful R&D Scientist/Engineer with expertise in hypersonic computational fluid dynamics (CFD) to support critical projects within the Department of Defense (DoD) and Intelligence Community (IC). The ideal candidate will have deep technical knowledge of hypersonic aerothermodynamics and related modeling techniques with a proven ability to model, simulate, and analyze hypersonic systems. This role offers an opportunity to work in a dynamic R&D environment where innovation and collaboration are highly valued. Required Qualifications: U.S. Citizen Master's Degree ( or Bachelor's degree with 4 years related experience) in Aeronautical Engineering, Mechanical Engineering, Physics, or Mathematics Minimum of 4 years of relevant experience in DoD or IC programs Active TS/SCI with willingness to complete a CI Polygraph Strong knowledge of hypersonic aerothermodynamic phenomenology Proficiency in using high-fidelity 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:* 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 6+ years of relevant experience in the field Master's degree in Aeronautical Engineering, Mechanical Engineering, Physics, or Mathematics with coursework and/or research in the fields of hypersonics, physical gas dynamics, or numerical methods Active TS/SCI clearance with CI Polygraph #LI-AC1 #LI-Onsite Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry. 100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year. Great Benefits - Most Full-Time Staff Are Eligible for: Starting PTO accrual of 20 days PTO/year + 10 holidays/year Flexible schedules 6% 401k match with immediate vesting up to $9k annually Semi-annual bonus eligibility (July and December) Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account Up to $10,000 in annual educational reimbursement Other company funded benefits, like life and disability insurance Optional zero deductible Blue Cross/Blue Shield health insurance plan Track Record of Success: We have grown every year since our founding in 1993. Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide. For more information about MTSI, please visit www.mtsi-va.com MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.