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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Principal Software Engineer - **Company:** Northrop Grumman - **Location:** Clearfield, UT, United States - **Experience:** Expert - **Salary:** $122,800.0 - $184,200.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Software Applications, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Databases, Design of User Interfaces, Monitoring of Systems, Python (Programming Language), Software Engineering, Software Requirements Analysis, Software Systems, SQL Stored Procedures, SQL Databases, Systems Integration, Technical Data Management Systems, Backend, Git, Front End Software Development, Hardware Infrastructure, Restful APIs, Software Version Control, Jenkins, Programming Languages - **Published:** September 19, 2026 - **Apply:** https://www.careerjet.com/job/us96d1e3c6e96e0ab1be58edb053e271e3/eaa ## About the Role * Bachelor's degree with 8 years of relevant experience, Master's degree with 6 years of relevant experience, or PhD with 4 years of relevant experience; an additional 4 years of experience may be considered in lieu of a degree. * Experience with a variety of programming languages, including C#, JavaScript, and Python. * Full stack development experience, including both frontend and backend solutions. * Experience with hardware-software integration. * Experience with Structured Query Language (SQL), including developing queries, stored procedures, and functions. * Experience working with software version control systems (e.g., Git). * Ability to obtain a DoD Secret clearance. * U.S. citizenship is required. Preferred Qualifications: * Active DoD Secret clearance. * Demonstrated ability to interpret and maintain existing code, including legacy applications (sustainment/maintenance). * Experience with CI/CD pipelines such as Jenkins, Azure DevOps, or equivalent. * Experience with C/C++. * Experience with server-side development (e.g., RESTful APIs, services). * Experience with GUI design and user experience (UX) best practices. * Experience developing technical documentation, including software version descriptions and user/administration guides. ## Description Northrop Grumman Defense Systems is seeking a Sr. Principal Software Engineer. This position is located in Clearfield, UT and supports the ICBM Sustainment Team. What you'll get to do: * Participate in the full software development life cycle, including requirements definition, design, implementation, qualification, and delivery of software products to our customers. * Deploy software applications to production environments; monitor system performance; identify and implement improvements; maintain existing software applications and systems; and respond to and resolve production issues in a timely manner. * Maintain existing software and environments in accordance with disciplined engineering practices, sustaining applications, databases, and interfaces in compliance with MIL-STD-31000C, Technical Data Packages, and applicable AF/DoD standards. * Facilitate the creation and maintenance of mission critical software solutions actively used by a government customer. * Help define and implement automated test strategies (unit, integration, and regression where applicable). * Work independently as a self starter, demonstrating initiative and the ability to complete tasking with minimal oversight. * Integrate software capabilities with hardware components in a complex, mission critical environment. ## Related Videos - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Road to MLOps: How Verivox Transitioned to AWS](https://www.wearedevelopers.com/videos/1050-the-road-to-mlops-how-verivox-transitioned-to-aws) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)