Intern Java Back End Developer Jobs in Bloomington, IN

*Applicants must posses a Secret Clearance for consideration - higher clearance level can be held* Zachary Piper Solutions is currently seeking an AFSIM Developer to support advanced modeling and simulation efforts for the U.S. Navy based in Crane, Indiana . This position is a full time role that will be onsite. This position is critical in advancing mission-ready simulation capabilities, ensuring high-fidelity modeling and integration of multi-domain operations. As an AFSIM Developer, you will play a pivotal role in developing, integrating, and enhancing simulation frameworks to support strategic deterrence, electromagnetic spectrum operations (EMSO), and next-generation defense capabilities. Key Responsibilities: * Develop, customize, and integrate models within the AFSIM framework. * Design and implement simulation capabilities using Python, C/C++, and MATLAB. * Build and maintain threat models, flight path models, and Electronic Warfare (EW) effects within simulation environments. * Support Electromagnetic Spectrum Operations (EMSO) and strategic deterrence modeling initiatives. * Perform model integration, testing, validation, and verification (VV&T) activities. * Collaborate with Navy warfare centers, national laboratories, and industry partners to deliver advanced M&S solutions. * Contribute to rapid prototyping and development of next-generation simulation capabilities. * Work closely with multidisciplinary teams to integrate simulation frameworks into mission-focused environments. * Apply strong software engineering practices to ensure scalable and maintainable solutions. Qualifications: * Active Secret Clearance, TS/SCI preferred * Hands-on experience developing within AFSIM or similar modeling and simulation environments. * Strong programming skills in Python, C/C++, and/or MATLAB. * Experience with M&S tools such as AFSIM, STK, NGTS, or Builder. * Background in software development, systems engineering, and model integration. * Experience with model validation, verification, and testing. Preferred Qualifications: * Active TS/SCI clearance. * Experience supporting EMSO, Electronic Warfare (EW), or Nuclear Triad modeling efforts. * Knowledge of threat modeling, mission-level simulation, and flight path development. * Experience with rapid prototyping in advanced defense R&D environments. * Prior experience supporting DoD laboratories, warfare centers, or military simulation programs. Compensation: * $150,000 - $200,000 * Depending on experience * * Relocation Bonus * PTO, Paid Holidays, Health, Dental, Vision, 401K This job posting opens on 7/2/26 and will remain open for at least 30 days from the posting date #LI-CB1 #LI-ONSITE Keywords: software engineer, Software developer, python, java, javascript, go, kubernetes, data, data transformation, top secret, top secret clearance, security clearance, computer science, bachelors degree, linux, Virginia, herndon, application, application deployment, front end, back end, angular, devsecops, kubernetes, frontend, backend, full stack, COTS, off the shelf, XML, Linux, Windows, COTS, FOSS, SDLC, Mission Systems, Government Software, Enterprise Applications, Secure Systems, Systems Integration, Application Development, Defense, Intelligence Community, AFSIM, Modeling & Simulation, M&S, Python, C++, MATLAB, Electronic Warfare, EW, EMSO, STK, NGTS, Builder, Flight Path Modeling, Threat Modeling, Simulation Integration, Model Validation, Verification & Validation (VV&T), Defense Systems, DoD, Navy Programs, Multi-Domain Operations, Software Engineering, Systems Engineering, Rapid Prototyping, Simulation Frameworks, Strategic Deterrence