Posted Oct 26, 2026

Junior Software Engineer

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This employer is a research and engineering services firm supporting government defense initiatives. They are currently seeking a Junior Modeling and Simulation (M&S) Software Developer to contribute to the development and analysis of real-time simulation systems. The Role Design, develop, and maintain real-time software simulation models using C++ and FORTRAN. Integrate existing fire control and system-level code bases into comprehensive simulation environments. Develop pre- and post-processing tools using Python and MATLAB to analyze simulation data. Support the execution and debugging of simulations across various laboratory and test range venues. Track and resolve software issues, bugs, and new capability requirements. What You'll Need Bachelor’s degree in computer science, engineering, or a related field, or equivalent professional experience. Proficiency in C++, FORTRAN, Ada, Python, or MATLAB. Strong analytical, problem-solving, and communication skills. U.S. Citizenship and the ability to obtain and maintain an active secret security clearance. What's On Offer Competitive salary Comprehensive benefits package including medical, dental, vision, and life insurance. Participation in an employee-owned corporate structure with 401(k) matching. Paid time off, holiday leave, and educational assistance programs. Apply via Haystack today!