Senior Aerospace Modeling & Simulation Engineer

• Lead multiphysics M&S efforts including hypersonic flowfields, scramjet/ramjet propulsion, IR signature analysis, interceptor lethality, and aerothermal phenomena.
• Translate guidance from Program Managers or government technical leads into actionable engineering tasks and workflows.
• Manage and execute medium-large technical projects, ensuring efficient task coordination with available resources.
• Serve as technical lead for timecritical, highvisibility engineering tasks.
• Engage and support MTSI internal Senior Leaders, Technical Fellows/Directors, and Engineering Analysis team lead with technical expertise and business development.

• Develop, execute, and analyze highfidelity CFD, combustion, and aerothermal simulations using GOTS, COTS, and privately developed tools such as US3D, STARCCM+, Cantera, Pointwise, Kestrel, Fluent, ParaView, VisIt, or similar.
• Optics performance modeling, seeker/sensor performance evaluation, Zmax experience preferred.
• GNC modeling experience preferred.
• Apply advanced chemical kinetics, plasma physics, and highspeed propulsion modeling expertise to complex aerospace problems.
• Conduct operations analysis and mission engineering studies using tools such as AFSIM.
• Conduct campaign analysis studies using tools such as CFAM or STORM.

• Routinely engage with government technical representatives, teammates, and subcontractors.
• Clearly explain results, analysis methodologies, and technical approaches in both formal and informal settings.
• Serve as technical volume lead for proposals; assist with Pink/Red team reviews.

• Mentor junior engineers and contribute to Communities of Practice.
• Support or lead internal innovation projects and crossfunctional technical initiatives.
• Participate in conferences, workshops, and technical sessions as a presenter or chair.

• Demonstrated expertise in aerothermodynamics, hypersonics, combustion physics, highspeed propulsion, and CFD model development. (add GNC)
• Proficiency in multiple programming languages (e.g., Python, MATLAB, Fortran, C++, Bash, Java) and familiarity with modern M&S toolchains.
• Ability to independently break down complex problems, develop technical approaches, and assign tasks to others based on strengths.
• Strong technical writing, customer briefing, and communication skills.
• Experience leading or supporting business development activities.

• MS in Aerospace Engineering and 5+ years of relevant experience, or equivalent combination of education and experience.
• Experience working in defense industry roles.
• Active TS/SCI security clearance (highly preferred).
• Ability to work independently with guidance required only for the most complex situations.

• On-site at Alexandria, VA. Possibility of working remotely 1-2 days/week depending on contract work.

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  Interesting Work:
  
  
  
  Our co-workers support some of the most important and critical programs to our national defense and security.
  
  
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  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.
  
  
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  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.
  
  
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  Great Benefits - Most Full-Time Staff Are Eligible for:
  
  
  




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  Starting PTO accrual of 20 days PTO/year + 10 holidays/year
  
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  Flexible schedules
  
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  6% 401k match with immediate vesting up to $9k annually
  
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  Semi-annual bonus eligibility (July and December)
  
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  Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
  
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  Up to $10,000 in annual educational reimbursement
  
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  Other company funded benefits, like life and disability insurance
  
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  Optional zero deductible Blue Cross/Blue Shield health insurance plan
  




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  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