Space Systems Modeling and Simulation Engineer

FTS International, LLC in Chantilly, VA seeks a Modeling, Simulation & Analysis Engineer to lead complex analytic studies shaping system designs and risk-informed trade decisions across the space domain. You will guide end-to-end Mod/Sim efforts for space, ground and cloud-based mission segments. Required TS/SCI with polygraph, a B.S. in a STEM engineering...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and...

Security Clearance: Active TS/SCI with CI Polygraph required Position The National Reconnaissance Office (NRO) is the U.S. Government agency in charge of designing, building, launching, and maintaining America’s intelligence satellites.Develop. Acquire. Launch. Operate. Apogee's ideal Space Mod & Sim Engineer will provide support to an Intelligence...

SAIC is seeking a Modeling & Simulation Analyst/Engineer to support a dynamic, long-term program for a US Government customer in the defense and intelligence space. The role involves independent and collaborative analysis, modeling and data evaluation to inform real-world missions and threat assessments.You will work with various datasets, apply STK and...

Job DescriptionJob DescriptionSecurity Clearance: Active TS/SCI with CI Polygraph requiredPositionThe National Reconnaissance Office (NRO) is the U.S. Government agency in charge of designing, building, launching, and maintaining America’s intelligence satellites.Develop. Acquire. Launch. Operate.Apogee's ideal Space Mod & Sim Engineer will provide support...

Job ID: 2613368Location: Chantilly, VA, USDate Posted: 2026-09-22Category: Engineering and SciencesSubcategory: Systems EngineerSchedule: Full-TimeShift: Day JobTravel: Yes - 10% of the timeMinimum Clearance Required: TS.SCI_wPolyClearance Level Must Be Able to Obtain: NonePotential for Remote Work: ORA_ON_SITE Description SAIC is looking for a Modeling and...

FTS International, LLC in Chantilly, VA seeks a Modeling, Simulation & Analysis Engineer to lead complex analytic studies shaping system designs and risk-informed trade decisions across the space domain. You will guide end-to-end Mod/Sim efforts for space, ground and cloud-based mission segments. Required TS/SCI with polygraph, a B.S.in a STEM engineering...

Job ID: 2616419Location: Chantilly, VA, USDate Posted: 2026-09-01Category: Engineering and SciencesSubcategory: Modeling/Sim EngrSchedule: Full-TimeShift: Day JobTravel: Yes - 10% of the timeMinimum Clearance Required: TS.SCI_wPolyClearance Level Must Be Able to Obtain: NonePotential for Remote Work: ORA_ON_SITE Description SAIC is seeking an Orbital...

Redwire is an innovative space and defense technology company driving advanced capabilities across the aerospace sector. We are looking for a leader who can contribute to concept of operations development, mission solution design, and strategic analysis for spacecraft programs supporting National Security Space. This includes work spanning space domain...