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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Systems Engineer, Aircraft Simulation and Design Integration - **Company:** Mach, Inc - **Location:** Huntington Beach, CA, United States - **Salary:** $180,000.0 - $250,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, C++ (Programming Language), Computational Fluid Dynamics, Configuration Management, Hardware-In-The-Loop Simulation, Python (Programming Language), MATLAB, Microsoft Dynamics, Systems Modeling Language, Test Data, Modeling and Simulation - **Published:** August 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a06bdb24145e89e3 ## About the Role candidate combines strong technical depth in aircraft simulation with the leadership and communication skills needed to drive multidisciplinary design decisions., * Bachelor's degree in aerospace, mechanical, electrical, systems engineering, or a related discipline. * Significant experience developing or applying aircraft-level models and simulations. * Strong understanding of aircraft performance, flight mechanics, dynamics and multidisciplinary system interactions. * Experience integrating models from aerodynamics, structures, propulsion,electrical, controls, or thermal disciplines. * Proficiency with simulation and analysis tools such as MATLAB/Simulink, Python, C/C++, or equivalent platforms. * Experience conducting trade studies, parameter sweeps, sensitivity analyses, uncertainty quantification, or optimization. * Demonstrated ability to convert simulation results into actionable aircraft, design recommendations. * Experience with model verification, validation, test correlation, and configuration control. * Strong technical leadership and cross-functional communication skills., * Master's degree or Ph.D. in aerospace engineering, systems engineering, or a related field. * Experience with electric, hybrid-electric, autonomous, or advanced aircraft. * Knowledge of multidisciplinary design analysis and optimization methods. * Experience with hardware-in-the-loop, software-in-the-loop, or pilot-in-the-loop simulation. * Familiarity with model-based systems engineering and tools such as SysML. * Experience supporting aircraft certification, safety analysis, or flight-test programs. * Familiarity with CFD, finite-element analysis, propulsion-cycle modeling, electrical-network modeling, or reduced-order modeling. * Experience developing digital engineering frameworks or aircraft digital twins. ## Description We are seeking a Principal Systems Engineer to lead the use of modeling and, * Own the architecture, development, and validation of integrated aircraft simulations. * Use simulation to guide aircraft configuration, subsystem sizing, requirements, and design trade studies. * Integrate aerodynamic, structural, propulsion, electrical, mass-properties, controls, and mission-performance models. * Lead multidisciplinary design optimization and sensitivity analyses. * Quantify design margins, uncertainty, risk, and system-level impacts of proposed changes. * Define simulation fidelity requirements appropriate to each phase of development. * Establish model verification, validation, configuration-management, and documentation practices. * Correlate simulation results with component tests, ground tests, and flight-test data. * Develop representative mission profiles and evaluate aircraft performance across expected operating conditions. * Identify system interactions, integration risks, and performance constraints early in the design cycle. * Present recommendations and trade-offs to technical leadership and program stakeholders. * Mentor engineers and establish best practices for simulation-driven aircraft development. * Support requirements development, architecture reviews, design reviews, and certification activities. ## Related Videos - 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