> Markdown version of [/jobs/ext/1752563-sr-principal-software-engineer-devops](https://www.wearedevelopers.com/jobs/ext/1752563-sr-principal-software-engineer-devops). 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). --- # Sr Principal Software Engineer - DevOps - **Company:** Northrop Grumman - **Location:** Melbourne, FL, United States - **Experience:** Expert - **Salary:** $122,800.0 - $184,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), .NET Framework, Active Directory, Application Programming Interfaces (APIs), Agile Methodology, C Sharp (Programming Language), C++ (Programming Language), Cloud Computing, CMake, Profiling, Computer Networks, Databases, Dynamic Host Configuration Protocol, DevOps, Domain Name System (DNS), Python (Programming Language), Microsoft Visual Studio, Networking Basics, Network Attached Storage (Server Appliance), Routing, Scrum Methodology, Rapid Prototyping Process, Software Engineering, Systems Integration, TCP/IP, Virtual Local Area Networks, Load Balancing, ReactJS, Blazor, Ios Frameworks, Firewalls (Computer Science), Git, AngularJS, Restful APIs, Domain Driven Design, Code Restructuring, Vulnerability Analysis, Web Api, Microservices - **Published:** July 17, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9038763/sr-principal-software-engineer-devops ## About the Role The individual we seek will be self-motivated, proactive, goal-oriented to help us grow our services, become even better at what we do and will possess the following qualifications. * Bachelor's Degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and at least years' relevant experience, or STEM Master's degree with years' relevant experience, or a STEM PHD with years' relevant experience. * Proven experience developing software with C#/.NET?Core; experience in at least one additional language (C/C++, Python, Java) is a plus. * Hands-on experience building full-stack applications, including UI frameworks (React, Angular, Blazor) and RESTful or gRPC services. * Proficiency with databases and APIs. * Solid understanding of networking concepts (TCP/IP, VLANs, firewalls, cloud networking) to diagnose connectivity issues. * Must have an active in scope government Secret security clearance (with a background investigation completed within the last 6 years). * Demonstrated success refactoring monolithic applications into micro-service architectures. * DoD 8570/8140 IAT Level II or higher (ex. Security+ w/CE) * Experience working in Agile/Scrum environments and leading sprint planning or retrospectives. * Familiarity with development tooling such as Git, CMake, Visual Studio, and Visual Studio Code. * Experience with performance profiling, automated testing frameworks, and security scanning tools. * Background in hardware-software integration or rapid prototyping projects. * Proven ability to work both independently and as a mentor/leader within a team. * Excellent written and verbal communication skills. ## Description * Design, develop, and maintain full-stack C#/.NET applications, including backend APIs and user-facing UI Blazor * Refactor existing monolithic codebases into micro-service architectures using domain-driven design principles. * Implement and manage core infrastructure services (e.g., DNS, DHCP, NAS, and Active Directory) * Understand and troubleshoot networking fundamentals (VLANs, firewalls, routing, load-balancing) that affect service connectivity and collaborate with network engineers as needed. * Participate in Agile ceremonies, mentor junior developers, and promote best-practice coding , DevOps and Software Engineering standards. ## Related Videos - [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) - [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours) - [Blazor Unleashed: The Future of .NET Web Development](https://www.wearedevelopers.com/videos/1564-blazor-unleashed-the-future-of-net-web-development) - [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) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)