Software Engineer, Mid-Level

About the role

SimTech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking a Software Engineer, Mid-Level to join our dynamic and diverse team in Huntsville, AL. This is an upcoming opening with opportunities for growth and professional development. SimTech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more. The Software Engineer, Mid-Level is responsible for developing, integrating, testing, and validating software applications. This role supports the design and implementation of scalable, high-performance solutions, including advanced mathematical and analytical algorithms, while ensuring code quality, data integrity, and maintainability.

Responsibilities

• Provide software development for C++ and Python in the areas of model and tool development, integration, execution, test, analysis and V&V.
• Design and implement complex software in C++, CUDA, and Python as defined from an architectural definition, ensuring efficiency, scalability, and maintainability.
• Maintain data integrity and optimize code for distributive and/or parallel processing.
• Implement advanced mathematical and analytical solutions required for calculations, transformations, and processes defined by specifications.
• Apply expertise in software engineering to support design, development, testing, and deployment of assets.
• Evaluate objectives and assignments, select appropriate engineering and programming techniques, and demonstrate sound judgment in adapting solutions.
• Other Responsibilities As Assigned.

Qualifications

• Bachelor of Science Degree or Graduate Science Degree in Computer Science, Computer Engineering, Math, Physics or Engineering.
• Minimum of 5 years of professional experience in software development, software design, and Modeling & Simulation (M&S) environments.
• 3-5 years demonstrated relevant experience and development with C++, Python, and real-time graphics processor unit (GPU) programming experience.
• Experience with GPU programming and parallel processing technologies, including CUDA.
• Demonstrated experience developing, integrating, testing, and validating software applications and tools.
• Experience implementing complex mathematical algorithms, analytical models, and data processing solutions.
• Proficiency working in Linux-based development environments.
• Experience with software configuration management, version control systems, and collaborative development processes.
• Strong understanding of software architecture, object-oriented design principles, and software development life cycle (SDLC) methodologies.
• Experience supporting Department of Defense (DoD), Missile Defense Agency (MDA), aerospace, or defense-related programs.
• Experience developing high-performance computing (HPC) applications and optimizing software for distributed and parallel processing environments.
• Strong analytical, problem-solving, and troubleshooting skills.
• Excellent written and verbal communication skills with the ability to work effectively in multidisciplinary teams.
• U.S. Citizenship with Active Secret Security clearance and ability to maintain the designated security clearance level is required.

Physical description

• Employees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment.
• Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework.
• May function in a specialized laboratory/testing environment using electronic testing equipment, computer software, and complex systems.
• May move and test equipment of various weights.
• Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear.
• May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work.

About SimTech, Inc.

SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions. The company has been recognized as a "Best Place to Work" in 2020 and 2021, and as a "Best Place for Working Parents" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce. SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence—join our team today! To learn more about our exceptional team and employee benefits, contact SimTech HR or visit www.simtechinc.com for more information.