Sr. Principal Software Engineer
Northrop Grumman4 days ago
Redondo Beach, CA, USAStaff+
Base Salary
$123k - $213k/yr
Responsibilities
- Lead development activities across the application lifecycle for secure, scalable, and maintainable manufacturing and operations applications.
- Sustain and modernize legacy .NET Framework applications, including migration to .NET Core.
- Develop, test, deploy, troubleshoot, and sustain web applications using ASP.NET Core and C#.
- Design, optimize, and support SQL Server databases, queries, stored procedures, and performance improvements.
- Collaborate with business partners, product owners, analysts, engineers, cybersecurity, infrastructure, and program teams to define and deliver technical solutions.
- Lead or participate in code reviews, requirements analysis, defect resolution, performance improvement, sprint planning, backlog refinement, and technical estimation.
- Promote software engineering standards and secure development practices.
- Mentor junior and mid-level developers and contribute to modernization, integration, and continuous improvement initiatives.
Requirements
- Bachelor’s degree in a STEM discipline plus 8 years of engineering or technical experience, or a master’s degree in a STEM discipline plus 6 years of engineering or technical experience.
- Experience developing and supporting web applications with C# and ASP.NET Core.
- Experience with SQL Server database development, queries, stored procedures, and performance tuning.
- Experience working in an Agile software development environment and leading technical efforts, software tasks, or small development teams.
- Ability to translate business or operational needs into software solutions.
- Ability to obtain and maintain a U.S. Government Top Secret clearance.
- Preferred experience includes manufacturing, operations, enterprise business applications, RESTful APIs, system integrations, service-oriented application design, front-end web technologies, Azure DevOps, automated testing, application modernization, Windows Server, IIS administration, Python frameworks such as Django and FastAPI, and OpenShift containers.
- Preferred candidates have experience in regulated, secure, or mission-critical environments and strong communication skills across technical and non-technical teams.
Benefits
- Primary level base salary range is $122,800.00-$213,400.00 annually, with potential overtime, shift differential, and discretionary bonus eligibility.
- Benefits include health insurance, life and disability insurance, a savings plan, company-paid holidays, and paid time off.
- Relocation assistance may be available.
- The role is based in Redondo Beach, California; Promontory, Utah; or Linthicum, Maryland, and requires approximately 10% travel.
- No clearance is required to start, but the position requires the ability to obtain and maintain a U.S. Government Top Secret clearance.
About Northrop Grumman
Northrop Grumman designs and manufactures aircraft, spacecraft, missile defense, C4ISR, and cyber systems for the U.S. government, NASA, and allied nations. The company operates primarily through long-term defense and space contracts, delivering products and services spanning autonomous systems, sensors, software, and sustainment. Founded in 1994 and headquartered in Falls Church, Virginia, it is a public company listed on the NYSE (ticker: NOC).