Northrop Grumman

Systems Modeling and Simulation Engineer (Principal or Senior Principal)

Northrop Grumman$114K — $213K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's or Master's degree in STEM field for Principal/Senior Principal level with respective years of experience
  • Active U.S. Government Secret Clearance or higher, with background investigation
  • Ability to obtain and maintain Special Access Program (SAP) clearance
  • Strong proficiency in C#, C++, or Java in a Windows environment
  • Experience with .NET runtime, CLR internals, garbage collection, and performance optimization

Responsibilities

  • Design and implement software using C#/.NET with full life cycle design and testing
  • Analyze algorithms and data structures to solve complex problems
  • Profile, tune, and optimize high-performance code including memory usage
  • Build and maintain desktop applications using WPF and MVVM, extending to Blazor
  • Design reusable UI libraries for both WPF and Blazor
  • Implement common application design patterns and efficient data exchange methods
  • Create and maintain technical documentation for diverse stakeholders

Benefits

  • Relocation assistance may be available
  • Eligibility for overtime and discretionary bonuses
  • Comprehensive health insurance coverage
  • Life and disability insurance plans
  • Paid time off (PTO) including company paid holidays
Full Job Description
RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the TimeDescription

Northrop Grumman Aeronautics Systems has an opening for a Principal or Senior Principal Systems Modeling & Simulation Engineer to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is located in Rancho Bernardo, CA, or El Segundo, CA.

In this role you will support Operations Analysis and should consider yourself a self-starter with a familiarity working in an Integrated Product Team (IPT) construct. Some qualities and experience you will be expected to have include:
  • A Strong grasp of agile software development methodologies
  • A Proficiency with Object Oriented languages (C#, C++, Java, etc.) and Windows based development
  • Demonstrated expertise in the .NET runtime, CLR internals, garbage collection, and JIT compilation
  • A Proven ability to write highly optimized, performant code and conduct profiling/tuning
  • An expert use of Visual Studio (debugging, refactoring, performance analysis)
  • Previous experience building WPF applications using the MVVM pattern; familiarity with MVVM implementation in Blazor
  • The ability to design re usable UI libraries that span WPF and Blazor
  • A familiarity with CRUD, DTO, and gRPC service patterns
  • Significant experience with version control tools (Bitbucket, GitHub, GitLab, Git, TFS) and CI/CD pipelines.
  • A good knowledge of secure coding standards and relevant defense compliance (NIST, DoD).
  • Strong problem solving skills; capacity to work independently while adhering to strict timelines.


Roles and Responsibilities include to:
  • Utilize full life cycle design, implementation, and unit testing of software using C# / .NET (including CLR, garbage collection, JIT compilation).
  • Leverage core computer science fundamentals-algorithms, data structures, and complexity analysis-to solve logical and mathematical problems.
  • Develop, profile, and tune high performance, optimized code; conduct runtime analysis and memory usage profiling.
  • Build and maintain desktop applications with WPF and the MVVM pattern; extend MVVM concepts to modern UI frameworks such as Blazor while preserving a consistent architecture across platforms.
  • Design and publish re usable UI component libraries that work in both WPF and Blazor environments.
  • Implement common application patterns (CRUD, DTO design, gRPC services) to enable efficient data exchange.
  • Use Visual Studio at an expert level (debugging, refactoring, performance profiling, navigating large solutions).
  • Follow secure coding practices and defense related compliance standards (e.g., NIST, DoD).
  • Create and maintain technical documentation; translate design decisions for both technical and non technical stakeholders.
  • Reverse engineer existing code bases to understand architecture and locate critical logic.
  • Operate within CI/CD pipelines (Git/TFS, Azure DevOps, etc.) and collaborate in version controlled, team based environments.


You will be required to work full-time, on-site at our facility. There is no remote / hybrid / telework available for this position. Travel up to 25% may be required.

This role can be filled at either the Principal or Senior Principal Level based on the qualifications below.

Basic Qualifications:
  • Principal Systems Engineer: Must have a Bachelor of Science degree in a STEM field and 5 years of relevant military / professional experience, OR a Master of Science degree in a STEM field 3 years of relevant military / professional experience, OR a PhD and 1 year of relevant military / professional experience
  • Senior Principal Systems Engineer: Must have a Bachelor of Science degree in a STEM field and 8 years of relevant military / professional experience, OR a Master of Science degree in a STEM field and 6 years of relevant military / professional experience, OR a PhD and 4 years of relevant military / professional experience
  • Must have an active U.S. Government Secret Clearance or higher (with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation)
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance within a reasonable amount of time as determined by business needs.


Preferred Qualifications
  • Current applicable Special Access Program (SAP) clearance.
  • Current active U.S. Government Top Secret Clearance
  • Experience in at least one of the following domains:
  • o Mission planning applications
  • o Systems performance monitoring and analysis
  • o Modeling or simulation of radars, missiles, aircraft, or satellites
  • Proven ability to develop and integrate prototype and pre production software for rapid hands on testing.
  • Experience creating physics based models and simulations using OOP.
  • Hands on work with Service Oriented Architectures and systems integration projects.
  • Demonstrated success in a rapid prototyping team environment.
  • Experience with system of systems modeling tools (AFSIM, Suppressor, Brawler).
  • Advanced proficiency with CommunityToolkit.Mvvm / MVVMToolkit
  • Strong communication, interpersonal, and leadership skills, including project/analysis lead experience.


Primary Level Salary Range: $114,000.00 - $171,000.00

Secondary Level Salary Range: $142,200.00 - $213,400.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

About Northrop Grumman

Northrop Grumman is a security company that provides systems, products, and solutions in aerospace, electronics, information systems, shipbuilding, and technical services to government and commercial customers. They design, develop, and build everything from aircraft and spacecraft to cyber security systems. The company is involved in a wide range of defense and technology projects, including the development of aircraft, space systems, cybersecurity solutions, and advanced electronics.

Northrop Grumman Careers

Join the elite team at Northrop Grumman, a leading global security company providing innovative systems, products, and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. There has never been a more exciting time to advance your career with Northrop Grumman.

Work You’ll Do

At Northrop Grumman, your work will redefine the edges of technology and create a safer future. Our culture thrives on intellectual curiosity, cognitive diversity, and bringing your whole self to work. Our team is at the forefront of innovation, collaborating to make the impossible, possible.

Explore Job Opportunities and Growth

Whether you’re looking for an internship, an entry-level position, or a spot for seasoned professionals, Northrop Grumman offers a variety of career paths that encourage growth and development. Explore job opportunities that elevate your skills, and push your career to the next level.

Join Our Diverse and Inclusive Team

Diversity and inclusion are the foundations of our culture. Northrop Grumman is committed to building a diverse team that fosters an inclusive environment, where every team member is valued for their unique perspectives and contributions. We believe that diversity fuels innovation.

Professional Development and Benefits

Northrop Grumman is dedicated to your professional and personal growth. We offer unparalleled benefits, including comprehensive health coverage, generous time off, and family care resources. Additionally, we provide extensive leadership and diversity training to help you craft your career path.

Networking and Leadership

Enhance your career through our robust networking opportunities. Connect with leaders and peers within Northrop Grumman through various events, mentorship programs, and professional groups. Our leadership is deeply invested in nurturing talent and guiding team members through their career journey.

Innovation in Technology

Drive technological breakthroughs with a company at the cutting edge of innovation. Northrop Grumman is a place where you can work on projects that push the boundaries of what is possible.

How to Apply

Ready to join our team? Check out the open positions on our Careers page. Tailor your resume to highlight your relevant skills and experiences. Prepare for your interview with us by researching our projects and understanding our company’s mission and values.

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Northrop Grumman Jobs

Discover the impact you can make with a career at Northrop Grumman. We are actively hiring and looking for passionate, curious, and solution-driven team players. Search Northrop Grumman jobs today and find where your expertise is needed most. Join Northrop Grumman, and be part of a team that is dedicated to making a difference, not only within the company but in the world at large. Your journey to building a rewarding career starts here.
Learn more about Northrop Grumman
Size
88,000 employees
Market Cap
$82.7 billion
Industry
Net Income
$3.1 billion
Founded
1939
5 Year Trend
+7.6%
Revenue
$36.7 billion
NASDAQ

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