> Markdown version of [/jobs/ext/2615142-principal-software-engineer](https://www.wearedevelopers.com/jobs/ext/2615142-principal-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). --- # Principal Software Engineer - **Company:** MITRE Corporation - **Location:** McLean, VA, United States - **Experience:** Expert - **Salary:** $173,200.0 - $216,500.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Geographic Information Systems, Agile Methodology, Artificial Intelligence, Amazon Web Services, Big Data, Cloud Computing, Continuous Delivery, Continuous Integration, Data Files, DevOps, Distributed Data Store, Github, Gradle, Python (Programming Language), Real Time Simulation, Scientific Computating, Software Engineering, TypeScript, Apache Spark, Kubernetes, Information Technology, Modeling and Simulation, Golang, Programming Languages - **Published:** August 14, 2026 - **Apply:** https://dejobs.org/x/x/3E67027C95AC48C9A83D711F72E765CA/job/ ## About the Role * Typically requires a minimum of 10 years of related experience with a Bachelor's degree (Computer Science, Data Science, or other physical science/engineering fields); or 3 years and a Master's degree; or a PhD with relevant experience who can immediately contribute at this job step; or an equivalent combination of related education and work experience. * Proficiency in high-level programming languages such as Java, Python, Go, and Typescript. * Experience and/or proficiency in software engineering, big data analytics, cloud computing, and continuous integration/continuous delivery technologies (e.g., AWS, GitHub, Gradle, Spark, Kubernetes). * Experience delivering and supporting production software applications using Agile and DevOps methodologies and tools. * Demonstrated aviation domain expertise (data, models, and/or operations) and a track record of delivering impactful mission outcomes against complex sponsor challenges. * Strong verbal and written communication skills. * Creative problem solver able to operate effectively amid ambiguity. * Ability to collaborate effectively with teammates, technical partners, and stakeholders. * Must be eligible to obtain and maintain a FAA Suitability. Per the U.S. Government's eligibility requirements, you must be a U.S Citizen to be considered for FAA Suitability. * This position requires a minimum of 50% hybrid on-site., * Active FAA Suitability. * Broad exposure across multiple aviation domains, such as airspace and air traffic management, flight operations, aeronautical and geospatial data, or modeling and simulation. * Hands-on experience applying agentic AI tooling to the software development lifecycle (AI-assisted coding, review, testing, or agent-based workflows) with sound judgment about quality and security. * Strong understanding and expertise in one or more of CIT's enterprise capabilities (e.g., Transportation Data Platform, Collaborative Research Environment, Fast & Real-time Simulation capabilities). * Understanding of aviation concepts and FAA data sets/systems that are central to many CIT work areas. * Experience designing and operating distributed data systems and cloud platforms. * Experience with geospatial or scientific computation supporting analytical or modeling workloads. 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