> Markdown version of [/jobs/ext/4012468-nprincipal-software-engineer](https://www.wearedevelopers.com/jobs/ext/4012468-nprincipal-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). --- # nPrincipal Software Engineer - **Company:** Nabout Leidos - **Location:** United States - **Experience:** Expert - **Salary:** $131,300.0 - $237,350.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Agile Methodology, Amazon Web Services, Amazon S3, Microsoft Azure, Bash Shell, DevOps, Junit, Python (Programming Language), Software Engineering, Scripting, Google Cloud, Performance Monitor, Software Version Control, Katalon Studio - **Published:** October 29, 2026 - **Apply:** https://jobs.military.com/career/381242/principal-software-engineer-maryland-md-bethesda ## About the Role * In-depth use and experience in common Agile practices, service-orientated environments, and development practices\n * In-depth experience with Java, Spring, C2S and the software development lifecycle, delivering within DevOps toolsets/practices\n * Direct experience utilizing software testing performance tools, such as Junit/Katalon and scripting languages, such as Python and Bash, while working in an Agile development environment\n * In-depth experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) and leveraging cloud data services (ex: S3, RDS, EFS)\n * In-depth experience using version control systems and issue/problem tracking systems\n * Bachelor's degree with 12+ years of prior relevant experience or Master's with 10+ years of relevant experience.\n * To be considered must have an active TS/SCI with polygraph security clearance\n