New

Modeling & Simulation (M&S) Engineer - Senior

Modern Technology Solutions, Inc.
401(k)
United States, Nevada, Nellis Air Force Base
Oct 23, 2026
Modern Technology Solutions, Inc. (MTSI) is seeking a Multi-Domain Modeling and Simulation (M&S) Engineer for the USAFWC Exercise support at Nellis AFB, NV. This individual will be responsible for work in a multitasking, quick-paced, dynamic environment supporting USAF Warfare Center Large Force Exercises, Operational Test and Tactics Development.Candidate will support planning and execution of Chairman, Joint Chief of Staff (CJCS), Combatant Command (COCOM), and Major Command (MAJCOM)-level exercises and events. A Multi-Domain M&S Engineer evaluates complex defense architectures across air, land, sea, space, and cyber domains using advanced software tools like AFSIM (Advanced Framework for Simulation Integration and Modeling), STK (Systems Tool Kit), and Satellite Orbit Analysis Program (SOAP).Primary responsibility is to develop multi-domain system models using AFSIM and evaluate their behavior for mission-level decision support, shape military strategies, and innovate solutions. Roles & Responsibilities: Scenario Development: * Develop models of multi-domain systems and software in mission-level simulations using AFSIM * Create advanced models of air, ground, maritime, and space systems; conduct model evaluation and validation * Build realistic threat trajectories, target behaviors, and engagement scenarios for missile warning, tracking, and defense systems * Tool & Script Creation: * Write assessment and analysis scripts using programming languages like Python, MATLAB, C++ or JAVA * Apply object-oriented programming to maximize M&S environment scalability and extensibility * Document model development processes, results, and best practices for knowledge sharing * Stay updated with the latest AFSIM advancements Architecture Evaluation: * Analyze simulation results to communicate system and software effectiveness in real-world contexts * Run simulations to analyze sensor performance, weapon capabilities, and mission-level outcomes to support military force design Stakeholder Communication: * Collaborate with subject matter experts (SMEs), software engineers, and analysts to maximize Operational Analysis productivity * Assist in creating technical documentation and presentations for stakeholders * Translate technical simulation data into clear, decision-quality briefs for senior defense leaders * Work independently and collaborate effectively within a team environment Desired Skills and Experience: * 5 to 10+ years working with defense systems, aerospace engineering, or military operations analysis * 7+ years of experience in modeling, simulation, and analysis, preferably using AFSIM * Deep understanding of military operations at mission/campaign level; DoD program experience * Experience with multi-domain scenario development, friendly (US and Coalition) and enemy Order of Battle, and ingestion/digitization of scenarios into M&S systems Technical Skills: * Hands-on proficiency with M&S frameworks (AFSIM, STK, or SOAP) and data analysis scripts (Python, MATLAB) * Expertise in modeling military systems and their behaviors across multiple domains Education Requirements: Associate's Degree with 9+ years of experience, or Bachelors Degree with 7+ years of experience, or Masters Degree with 5+ years of experience. STEM degree preferred. Travel Requirements: Routine travel is expected. Candidates should anticipate one week per quarter.Non-traditional work hours may be required. Expectation is that work will be performed onsite. Clearance Requirements: Current Top Secret (TS) Security Clearance with SCI eligibility and the ability to obtain access to Special Access Required (SAR) Programs and Special Technical Operations (STO) required. U.S. Citizenship is required. #LI-RR1 #MTSIjobs #mtsi #onsite 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.