Demo

GNC Engineer

Modern Technology Solutions, Inc. (MTSI)
Huntsville, AL Full Time
POSTED ON 3/15/2026
AVAILABLE BEFORE 4/28/2026
MTSI is seeking to hire a Principal Guidance & Navigation Controls Engineer to support high visibility, cutting-edge missile system programs and contribute to innovative solutions for national defense.

Key Responsibilities

  • Conduct performance analysis, design, integration, and testing of GNC systems for offensive and defensive missile systems.
  • Collaborate with engineers and developers to prototype and test weapon system concepts using legacy high-fidelity 6-DOF simulations in FORTRAN and C .
  • Provide detailed analytical products for emerging missile and weapon system concepts supporting DoD programs.
  • Lead and support ongoing missile programs and contribute to the development of corporate tool sets.
  • Deliver modeling, simulation, and analytical products of kinetic weapon system concepts for the Missile Defense Agency.

Required Qualifications

  • Bachelor’s degree and 9-15 years of experience in missile systems development, including ballistic and hypersonic missiles, tactical weapons, BMDS interceptors, kill vehicles, on-board algorithms, and related analysis.
  • Must have an Active Secret Clearance; U.S. citizenship required
  • Demonstrated capability in GNC system performance analysis and design.
  • Candidate should also have demonstrated ability to formulate and conduct analyses at the missile system and subsystem level to support requirements development and performance assessment.
  • Software development skills include but not limited to FORTRAN, C, C , Python, MATLAB
  • Experience integrating models from different coding languages
  • Experience with hypersonic advanced concepts and strategic missions

Experience With 6-DOF Simulation Models Of

  • Aerodynamics
  • Autopilots Design and Tuning
  • Guidance Algorithms
  • Navigation Systems & filters
  • Propulsion
  • Kalman Filters

Desired Qualifications

  • Master’s degree or PHD is preferred
  • 12-20 years of relevant experience



Salary.com Estimation for GNC Engineer in Huntsville, AL
$76,296 to $93,109
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