> Markdown version of [/jobs/ext/3806361-software-engineer](https://www.wearedevelopers.com/jobs/ext/3806361-software-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). --- # Software Engineer - **Company:** Quadrant, Inc. - **Location:** Germantown, MD, United States - **Experience:** Expert - **Salary:** $115,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JIRA, Unit Testing, Bash Shell, Command-Line Interface, Code Review, Computer Programming, Linux, Issue Tracking Systems, Inter-Process Communication, Python (Programming Language), Network Troubleshooting, Automation of Marketing, Message Passing Interface, Regression Testing, Software Engineering, Software Systems, TCP/IP, Scripting, Software Verification, Git, Event Driven Architecture, Integration Tests, Software Version Control - **Published:** October 17, 2026 - **Apply:** https://www.careerjet.com/job/usd98bd4103fcca8b3d6cce8b56006e1ca/eaa ## About the Role Must be able to obtain a public trust clearance 7+ years of proven software development experience. Strong programming experience in C/C++, and Java with strong software design skills. Experience with Linux, and inter-process communication protocols such as TCP/IP and multicast. Familiarity with command line and scripting languages such as Bash and Python. Demonstrated experience with real-time or distributed software systems, including inter-process communication, message passing, and event-driven architectures. Prior experience with FAA ATC automation systems, including ERAM, STARS, URET, or equivalent en route / terminal automation platforms. Experience developing embedded simulation, test, or training systems for safety-critical or mission-critical government programs. Experience with source control and ticketing systems, preferably Git and Jira. Ability to work independently and collaboratively within a team. Strong communication and collaboration skills. Bachelor's required in IT or Cyber ## Description We are seeking a talented Senior Software Engineer with 7 or more years of experience to join our product team supporting a high-fidelity approach and en route air traffic control simulator that is the choice of leading air navigation service providers, military organizations, and universities worldwide. What You'll Do: Design, develop, test and maintain new capabilities in our core simulation product and user interfaces. Develop and maintain simulation interfaces to operational Air Traffic Management System subsystems and components ensuring tight conformance with customer-defined interface specifications. Integrate new features and troubleshoot system issues to ensure optimal performance and functionality. Support software verification and validation (V&V) activities, including unit testing, integration testing. Collaborate with customer engineers during software baseline releases, regression testing cycles, and Software Problem Report resolution to ensure simulation fidelity is maintained with each new release. Assess customer requirements for feasibility, providing estimates and schedule inputs as needed. Translate customer requirements into effective software solutions across multiple applications. Communicate complex technical concepts to diverse audiences. Collaborate with colleagues and clients in North America and Europe. Participate in code reviews and contribute to the continuous improvement of development processes. Contribute innovative ideas to enhance our product roadmap and work with various teams to realize these. Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. "Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act".