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C++ Software Developer

ManTechArlington, VAMay 11th, 2026
MANTECH seeks a motivated, career and customer-oriented C++ Software Developer to join our team in Arlington, VA. This is a full-time, onsite position.In this role, you will be integral to the core simulation development for the US Air Force's critical Airfield Damage - Assessment & Resiliency Modeling (AD-ARM) suite. This sophisticated Modeling & Simulation software plays a vital role in providing analysis and decision-making support to the Secretary of the Air Force and other key stakeholders. As a member of our Modeling & Simulation software development team, the C++ software developer assists with future development and enhancements to existing USAF Modeling & Simulation software. You will work collaboratively with the internal technical team to perform maintenance on existing source code, assist with responding to customer issues with software, and suggest solutions for software modifications or enhancements. You will participates in the development of software user manuals and technical documentation. Work closely with other technical staff to learn and understand our software products and customer’s analysis domain and assist technical and analytic staff with running the software.Responsibilities Include But Are Not Limited ToParticipate in Agile development methodologies using a variety of software development tools and techniques to include Visual Studio IDE, UML design tools, and database management tools. Specific duties include:Maintain and enhance existing C++ applicationsDesign, develop, and unit test new software components and functionality to meet customer requirementsWork closely with members of the internal simulation development team to keep GUI in sync with inputs and outputs of the core simulationAnalyze reported issues and assist with debugging and developing fixesAssist with preparation of system documentation (e.g., design documents, interface design documents, and user manuals)Follow established software engineering processes and proceduresMust be able to work independently and show initiative, but also communicate status and problems to other team members and supervisorsMinimum QualificationsBachelor’s degree in Computer Science or related field and 3+ years of related experience, or an Associate’s degree and 5+ years of related experienceMinimum of 3 years of software design and development experience using modern C++ with strong emphasis on object-oriented analysis and designExperienced in SQL database programming including SQL statements to query, update, insert, and delete specific data elementsExperience with distributed source code management systems such as Git or MercurialExperience with supporting full software lifecycle, including analysis, design, implementation, testing, deployment, and maintenancePreferred QualificationsCurrent Top-Secret clearanceExperience with SQLite database engine and optimization techniquesExperience with Python scripting languageExperience with cross-platform C++ development on Windows and LinuxExperience with data visualization techniques and GIS technologiesExperience in modeling & simulation of modern combat aircraft, other ground-based and airborne systems, airbase defense systems, and weapons employment in engagement, mission, or campaign level simulationsCommunicate well with other team members and balance shifting priorities to meet deadlinesClearance RequirementsMust be a US Citizen.Current and active Secret security clearance with the ability to obtain and maintain a Top-Secret/SCI clearance.Physical RequirementsMust be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers.