New

Senior GNC Engineer

Modern Technology Solutions, Inc.
401(k)
United States, Alabama, Huntsville
Sep 18, 2025
Senior Guidance, Navigation, and Control (GNC) Engineer MTSI is seeking engineers with experience in developing 6-Degree-Of-Freedom simulations with experience with Guidance, Navigation, and Control (GNC) algorithms. The candidate will join our team in Huntsville, AL delivering modeling, simulation, and analytical products of kinetic weapon system concepts for the Missile Defense Agency.This role offers the opportunity to work on 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. Required Qualifications: * Bachelor's degree and 5-8 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. Experiencewith 6-DOF simulation models of: oAerodynamics oAutopilots Design and Tuning oGuidance Algorithms oNavigation Systems & filters oPropulsion oKalman Filters 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 Desired Qualifications Master's degree or PHD is preferred 12-20 years of relevant experience Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. 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. 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. Great Benefits - Most Full-Time Staff Are Eligible for: Starting PTO accrual of 20 days PTO/year + 10 holidays/year Flexible schedules 6% 401k match with immediate vesting up to $9k annually Semi-annual bonus eligibility (July and December) Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account Up to $10,000 in annual educational reimbursement Other company funded benefits, like life and disability insurance Optional zero deductible Blue Cross/Blue Shield health insurance plan 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 MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.