GNC Systems Engineer — 6-DOF Modeling & Defense Tech

Modern Technology Solutions, Inc. (MTSI); Huntsville (AL); On-site; USD 105,000 - 160,000; Full time

Job summary

MTSI is seeking a motivated engineer with experience in Guidance, Navigation, and Control (GNC) systems and modeling & simulation. The candidate will support a team delivering modeling, simulation, and analytical products of kinetic weapon system concepts for the Missile Defense Agency.

This role offers the opportunity to work on exciting, high-visibility missile system programs and contribute to innovative solutions for national defense. U.S.

Qualifications

• U.S. citizenship and active secret clearance required.
• Bachelor's degree in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Physics, or a related technical field (MS preferred).
• 5+ years of hands-on experience in missile systems, aerospace engineering, or related modeling & simulation work.
• Familiarity with 6-DOF simulation models, including aerodynamics, guidance algorithms, navigation systems, and basic filtering techniques (e.g., Kalman filters).
• Some exposure to modeling and simulation tools, including FORTRAN, C++, MATLAB, and Python.
• Demonstrated ability to conduct system-level and subsystem-level analysis to support requirements development and performance assessment.
• Strong problem-solving, data analysis, and technical communication skills.

Responsibilities

• Conduct performance analysis and support design, integration, and testing of GNC systems for missile programs.
• Perform modeling and simulation tasks using 6-DOF simulations to evaluate system behavior and performance.
• Develop, modify, and run 6-DOF models to support GNC analysis.
• Collaborate with senior engineers to prototype, test, and refine concepts using legacy 6-DOF simulations in FORTRAN and C++.
• Develop analytical products, technical reports, and presentations for DoD programs.
• Assist with requirements analysis, scenario development, and tool improvements for ongoing missile programs.
• Maintain and enhance simulation fidelity by integrating models from diverse sources and languages.

Skills

6-DOF simulations

Kalman filtering

Data analysis

Technical communication

Problem solving

FORTRAN

C++

MATLAB

Python

Education

Bachelor's degree in Aerospace/Mechanical/Electrical Engineering or related field

MS preferred

Tools

FORTRAN

C++

MATLAB

Python

Job description

MTSI is seeking a motivated engineer with experience in Guidance, Navigation, and Control (GNC) systems and modeling & simulation. The candidate will support a team delivering modeling, simulation, and analytical products of kinetic weapon system concepts for the Missile Defense Agency.

This role offers the opportunity to work on exciting, high-visibility missile system programs and contribute to innovative solutions for national defense. U.S.