AFSIM Developer

Solutions Through Innovative Technologies, Inc. (STI-TEC) specializes in the delivery of professional business and information management services. STI-TEC offers government and commercial clients a comprehensive portfolio of services that identify, manage, distribute and improve business processes related to entities' most valued resource, information. As a fast-growing solutions provider, established in 2000, total customer satisfaction has remained the cornerstone of our business. Our business model focuses on integrity, loyalty, and trust.

Position Overview

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.
Essential Job Function

• 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.

Minimum Qualifications

• 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).
• Active Secret

Desired Qualifications

• 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

• Position is primarily on-site at government or contractor facilities in the Beavercreek/Dayton, OH area, with limited telework as authorized by the customer.
• Occasional travel (up to ~10%) to customer sites, test locations, or program reviews may be required.

If you share the mission of delivering secure, high-fidelity simulations that directly support U.S. warfighters and decision-makers, this role offers the opportunity to contribute as a key technical member of an integrated government-contractor team
STI-TEC offers a competitive benefits package including:

• Medical, dental, and vision coverage
• Life insurance
• Short term/long term disability coverage
• Retirement savings - 401(k)
• Paid time off (PTO)
• Holiday leave
• Alternate work schedules (depending on work site)
• Flexible spending account options

Whether you're an experienced professional, a veteran, a former military or civilian federal employee, or a recent graduate, STI-TEC has a career opportunity for you. Applicants selected may be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information.
STI-TEC is an equal opportunity employer and values diversity. Employment is decided on the basis of qualifications, merit, and business need. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation.
This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation and training.
If you need assistance or an accommodation due to a disability, you may contact us at or you may call us at 1+918.583.9900.