New

Jr. Modeling and Simulation Software Engineer

Modern Technology Solutions, Inc.
401(k)
United States, Alabama, Huntsville
Dec 23, 2025
MTSI is seeking a highly motivated Modeling & Simulation SW Developer to support the Missile Defense Agency (MDA) in assessing the capabilities of the Missile Defense System (MDS). This critical role will involve working in a distributed Hardware-In-the-Loop (HWIL) simulation environment, contributing to Continuous Developmental Integration (CDI) activities, MDS Ground Test (GT) events, and MDS Flight Test support. Our team is at the forefront of software assurance and cloud modernization for Model & Simulation (M&S) systems. We partner closely with MDA Azure Cloud initiatives to containerize critical software while ensuring security, performance, and scalability. Code verification, development, & prototype development - ensuring software quality, security, and maintainability. Code reviews for framework and supporting M&S software. Baseline qualification testing - validating operating system patches, network updates, and hardware changes before enterprise deployment. Cloud and containerization leadership - enabling the transition of M&S frameworks and element software into modern, containerized environments. Supporting advanced development through a high-side AI server cluster for code development, analysis, and documentation. Key Responsibilities The Software Developer will design, develop, and deploy AI-driven automation solutions, primarily using C++, within a HWIL simulation environment. This includes: Perform code verification, review, and analysis for frameworks and supporting M&S software. Lead and execute prototype development to validate new features and technologies. Conduct baseline qualification testing for OS, network, and hardware updates prior to enterprise rollout. Design and implement containerized solutions for M&S and Tactical applications and supporting infrastructure. Collaborate with cross-functional teams to integrate software into MDA's Azure cloud ecosystem. Leverage and maintain a high-side AI server cluster to support development, testing, and analysis efforts. Required Qualifications Bachelor's degree (BS) in Computer Science, Software Engineering, or a related field from an accredited university Active Secret Clearance 0-3 years of experience with containers (Docker/Podman) and container orchestration platforms (Kubernetes, OpenShift, K3s, etc.). Proven ability to work across development, testing, and infrastructure domains. Strong knowledge of software verification, testing practices, and modern DevSecOps environments. Desired Skills Experience with Azure Cloud or other enterprise cloud environments. Active Top Secret Clearance Familiarity with high-side or secure network environments. Knowledge of AI/ML frameworks (e.g., TensorFlow, PyTorch) for development or analysis workflows. Proficiency with CI/CD pipelines and modern DevOps tools. #LI-AS1 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.