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Sr. Modeling and Simulation Engineer (Systems Engineer. Senior)

Redwire Space
United States, Virginia, Chantilly
Jul 10, 2025
Join our team of innovators and get a chance to work alongside a team of talented, curious people that are passionate about designing and deploying solutions that are accelerating humanity's expansion into space. The talented innovators at Redwire - Chantilly, VA are looking to expand. The team is revolutionizing spaceflight and are currently developing missions with NASA, the Department of Defense, and commercial space companies. With many more exciting projects on the horizon our team could use your curiosity, passion, talent, and experience to help us "Build and Defend Above." We have a current opportunity for a Sr. Modeling and Simulation Engineer in Chantilly, VA, Jacksonville, FL, or Littleton, CO. In this role you will report to the Modeling and Simulation Principal Engineer and be part of a special applications group developing exquisite and cutting-edge missions. Responsibilities Collaborate with systems engineering on requirements development and V&V Rapidly assess systems or approaches in support of Business Development and proposal writing Leverage simulation to assess new design modalities in spaceflight Demonstrate and evangelize for simulation-driven design Validate simulation results and methodology with physical test Responsible for building digital prototypes Proactively interface with multi-disciplinary team members to optimize whole system designs that meet or exceed all technical, cost, and schedule requirements Apply engineering principles to ensure that designed components and systems meet all requirements. Generate technical documentation, reporting and presentations of design and analysis results. Design, plan, and deliver within milestones leveraging industry-standard tools to deliver mission needs Ideal Experience Bachelor's degree in Aerospace Engineering, Structural Engineering, Engineering Physics, or other related degree with 5 or more years of relevant experience Ability to independently learn and adapt to new tools on a regular basis Strong experience with industry-standard FEM tools like Abaqus, NASTRAN, or Ansys Mechanical Familiarity with thermal and fluid dynamics tools like Thermal Desktop, Ansys Fluent, Siemens Star CCM+, or OpenFoam Experience with diffuse flow/high-Kn simulation tools like NASA DAC, MONACO, or SPARTA Experience with space mission analysis tools like Redwire ACORN, Ansys STK, NASA GMAT, or FreeFlyer Competence in Matlab or Python and associated scientific libraries (NumPy, SciPy, Pandas etc) Experience with convex optimization and machine learning to drive design characterization and multi-objective optimization Ability to travel - an average of 10-15% travel may be required. US Citizenship Required, with the ability to obtain a DOD security clearance. Desired Skills 10 or more years' experience in space industry, including developing, deploying, and unit testing simulation workflows and best practices Systems/whole-picture thinking Experience with COMSOL or PTC MathCAD Experience with Ansys/Dynardo OptiSlang, iSight, or ModeFrontier The ability to teach and train other engineers interested in Modelling and Sim Self-motivated in applying engineering principles, concepts, and practices of mechanical / aerospace engineering to independently perform assignments. Experience with aerospace standards such as GSFC-STD-7000A (GEVS), NASA 5000 series, MMPDS, etc. Proficient with Microsoft Office 365 Strong attention to detail with advanced verbal and written communication skills Experienced with SolidWorks PDM and CAD Ability to reference in Design for Manufacture (DFM) principles when making design recommendations A growth mindset Grow with us as we innovate the next generation capabilities for a new era of space exploration! We offer a highly competitive benefits package along with a commitment to our core values of Integrity, Innovation, Impact, Inclusion, and Excellence. Don't meet every single requirement above? No worries. We want people who can grow, collaborate and build a stronger team. We strive to build a diverse and inclusive culture, so if you're excited about this job posting, we encourage you to apply. You may be just the right candidate for this or other roles. Redwire Space is an Equal Opportunity Employer; employment with Redwire Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status. All offers of employment at Redwire Space are contingent upon clear results of a thorough background check and your ability to provide proof of eligibility to work in the US. Note that some positions will also require US citizenship or ability to obtain a security clearance due to requirements of a classified program. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITARClick Here