> Markdown version of [/jobs/ext/4485289-systems-engineer](https://www.wearedevelopers.com/jobs/ext/4485289-systems-engineer). 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). --- # Systems Engineer - **Company:** Aptima Inc. - **Location:** Dayton, OH, United States - **Experience:** Starter - **Salary:** $115,000.0 - $135,000.0 - **Contract:** Internship / Graduate position - **Skills:** Microsoft Windows, Systems Engineering, Computer Networks, System Configuration, Linux, Distributed Simulation, Simulation Software, Software Engineering, Systems Integration, Windows Desktop, Information Technology, Modeling and Simulation, Integration Frameworks - **Published:** October 18, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88658485/1 ## About the Role * 100% on-site at the Dayton, OH customer location. * 0-2 years of experience in modeling & simulation, software engineering, computer systems, networking, or related technical fields (internships or coursework welcome). * Basic understanding of networking concepts and protocols. * Familiarity with Windows and/or Linux operating systems. * Interest in learning simulation frameworks and M&S integration tools. * Strong problem-solving mindset and willingness to ask questions and learn on the job. * Good documentation habits and attention to detail. * Ability to work both independently and as part of a team. * Must be able to obtain a U.S. Security Clearance. Desired Certifications * DoD 8140 IAT Level II compliance (e.g., Security+) preferred or ability to obtain within a reasonable timeframe. ## Description * As a Systems Engineer supporting simulation-based training system integration, you will help advance Aptima's mission by assisting in the development and sustainment of technical solutions within a government-owned modeling and simulation (M&S) environment. You will work alongside experienced engineers to install, configure, and test systems that enable immersive training and mission rehearsal. * You will gain hands-on experience by supporting prototyping, integration, and troubleshooting activities across a diverse M&S ecosystem. Whether helping connect simulators to a distributed simulation environment, supporting technical evaluations, or preparing systems for training events, your work will directly contribute to operator training and readiness. * This role is ideal for early-career engineers eager to grow their technical skills, collaborate with multidisciplinary teams, and work with cutting-edge simulation technologies., * Assist with installing, configuring, and maintaining simulation system stacks according to current technical baselines. * Help integrate simulators and tools using common networking standards and protocols such as GRID or DIS. * Support integration of simulation frameworks and tools (e.g., AFSIM, NGTS, or similar systems) under the guidance of senior team members. * Help maintain simulator readiness by following established system configurations and documenting updates or changes. * Work with mission partners to support demonstrations, dry runs, and training events. * Provide entry-level troubleshooting support across Windows and Linux systems, networks, and simulation tools. * Assist team members during hardware setup, system updates, and facility modifications.