Sr Principal Software Engineer - DevOps

Overview

Northrop Grumman Aeronautics Systems has an opening for a Sr Principal Software Engineer - DevOps to join our team of qualified, diverse individuals. This position will be located onsite in Melbourne, Florida.

Responsibilities

This is a vital position in support of critical software design and development. Candidate will be responsible for leading a diverse skillset software engineering team to refactor existing monolithic codebase into micro-service compliant architecture.

• 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

Qualifications

Basic Qualifications

• Bachelor’s Degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and at least 8 years’ relevant experience, or STEM Master’s degree with 6 years’ relevant experience, or a STEM PhD with 4 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)

Preferred Qualifications

• Demonstrated success refactoring monolithic applications into micro-service architectures
• DoD 8570/8140 IAT Level II or higher (e.g., Security+ with 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

Benefits

We offer flexible work arrangements, learning opportunities, exposure to a wide variety of projects and customers, and a collaborative team environment. Our Total Rewards Program includes a comprehensive benefits package such as health, dental and vision coverage, life and disability insurance, and flexible spending accounts.

Restrictions and Additional Information

Relocation assistance may be available. Clearance: Secret. Travel: Yes, up to 10% of the time.

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