> Markdown version of [/jobs/ext/2732482-afsim-developer-csslp](https://www.wearedevelopers.com/jobs/ext/2732482-afsim-developer-csslp). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AFSIM Developer (CSSLP) - **Company:** VTG Defense - **Location:** Beavercreek, OH, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Automation of Tests, C++ (Programming Language), Configuration Management, Static Program Analysis, Code Review, Computer Engineering, Continuous Integration, Linux, Python (Programming Language), Lua (Scripting Language), Object-Oriented Software Development, Secure Coding, Software Engineering, Systems Integration, Software Vulnerability Management, Data Processing, Scripting, Flexi (Photoshop Plugin), Cisco Discovery Protocol, Software Security, Test Scripts, Git Flow, Information Technology, Devsecops - **Published:** September 5, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/86402500/1 ## About the Role * Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Physics, Mathematics, or related technical discipline. * 3-5+ years of professional software development experience, including C++ and object-oriented design on Windows or Linux. * 2+ years of direct experience developing, integrating, or applying AFSIM in support of DoD or IC programs (e.g., scenario development, plugin development, operational analysis). * Active Certified Secure Software Lifecycle Professional (CSSLP) certification recognized under DoD 8140/8570. * Experience applying secure coding practices, vulnerability mitigation, and software assurance concepts across the software development lifecycle. * Familiarity with DoD cybersecurity and risk management processes (e.g., RMF, DoDD 8140/8570 role-based certification requirements). * Ability to obtain and maintain a DoD Secret clearance; current active Secret or higher strongly preferred. Desired Qualifications * Active Secret or Top Secret/SCI clearance. * Experience supporting Air Force Life Cycle Management Center (AFLCMC), Air Force Research Laboratory (AFRL), or other acquisition and S&T organizations in the Dayton/Beavercreek area. * Experience with MS&A of air, space, or multi-domain operations, electronic warfare, or command and control systems. * Experience with Python or other scripting languages for data processing, automation, and tool integration. * Familiarity with DevSecOps practices, Git-based workflows, and modern CI/CD tools used in DoD environments. * Prior experience working as a government contractor on cost-type or CPFF contracts, including adherence to CDRLs and program processes. Work Environment and Travel ## Description Seeking an experienced Advanced Framework for Simulation, Integration and Modeling (AFSIM) Developer to provide Modeling, Simulation, and Analysis (MS&A) support to U.S. Department of Defense programs. The selected candidate will design, develop, integrate, and sustain AFSIM-based capabilities while applying secure software lifecycle practices validated by an active CSSLP certification in support of DoD 8140/8570 requirements. What will you do? * Design, develop, and integrate AFSIM models, components, and scenarios to support analysis of engagement-, mission-, and campaign-level concepts for government customers. * Implement secure software lifecycle practices (requirements, design, implementation, testing, deployment, maintenance) consistent with CSSLP domains and DoD cybersecurity policies. * Develop and maintain C++-based AFSIM plug-ins, simulation entities, behaviors, and interfaces to external tools and data sources. * Apply scripting (e.g., AFSIM's script environment, Python/Lua where appropriate) to configure scenarios, behaviors, and batch runs for government analysis tasks. * Conduct code reviews, static analysis, and vulnerability remediation to ensure compliance with secure coding standards and program security requirements. * Support configuration management, CI/CD pipelines, and test automation for AFSIM capabilities delivered under government contracts. * Collaborate with government engineers, analysts, and other contractors to capture requirements, refine use cases, and translate them into verified, validated simulation capabilities. * Prepare and deliver technical documentation, test reports, user guides, and briefing materials in accordance with contract deliverable requirements (CDRLs). * Provide technical input to proposals, estimates, and design reviews for current and future MS&A task orders. 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