> Markdown version of [/jobs/ext/1816298-principal-systems-engineer-operations-analysis-modsim](https://www.wearedevelopers.com/jobs/ext/1816298-principal-systems-engineer-operations-analysis-modsim). 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). --- # Principal Systems Engineer - Operations Analysis/ModSim - **Company:** Northrop Grumman - **Location:** San Diego, CA, United States - **Salary:** $114,000.0 - $171,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Systems Engineering, Microsoft Azure, C Sharp (Programming Language), C++ (Programming Language), Github, Revision Control Systems, Python (Programming Language), MATLAB, Team Foundation Server, Object-Oriented Software Development, Rapid Prototyping Process, SAP (Applications), Simulink, Systems Architecture, Parallel Computation, Git, Modeling and Simulation, Bitbucket - **Published:** July 4, 2026 - **Apply:** https://dejobs.org/x/x/19B1BDD236354904AA757CC8C3F5B584/job/ ## About the Role * Candidate will be expected to have excellent written and verbal communication and strong interpersonal skills, with a collaborative, detail-oriented approach. * To be successful in the role you will need strong communication, interpersonal and leadership skills., * Must have a Bachelor of Science degree in a STEM (Science, Technology, Engineering, Math) field and 5 years of relevant military / professional experience, OR a Master of Science Degree in a STEM field and 3 years of relevant military / professional experience, OR a PhD in a STEM field and 1 year of relevant military / professional / academic experience. * Experience developing physics-based models and simulations using object oriented programming principles in MATLAB, Python, C++, or Java. * Experience with object oriented languages (C#, Java) and modeling/simulation of radars, missiles, Integrated Air Defense Systems (IADS), and/or air and space platforms. * Must have an active U.S. Government Top 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. * Active USG Top Secret or higher clearance (with a background investigation within the past 5 years or enrolled into Continuous Evaluation). * Demonstrated ability to work in a rapid prototyping environment. * Familiarity with Model Based Systems Engineering (MBSE) and system architecture integration. * Experience with version control tools such as Github or Bitbucket. * Familiarity with parallel computing system architecture. * Experience developing CI/CD pipelines (Git/TFS, Azure DevOps, etc.) and collaborate in version controlled, team based environments. * Operational Military Experience ## Description Northrop Grumman Aeronautics Systems is seeking a Principal Systems Engineer in Rancho Bernardo, CA or El Segundo, CA. The successful candidate will be assigned to develop and deliver systems engineering products. Essential Functions: * Support Operations Analysis and Modeling and Simulation (M&S) activities for Aeronautics Systems to inform trade studies, concepts of operations, and requirements. * Plan and execute studies (trade studies, sensitivity analyses, Monte Carlo), analyze results, and visualize findings to drive data-informed decisions. * Develop complex algorithms and scripts for use in mission simulation tools. * Develop, integrate, and maintain analytical models and simulation tools (e.g., MATLAB/Python/Simulink or similar) to evaluate system performance and mission effectiveness. * Develop and integrate physics-based RF algorithms with front-end GUI interfaces * Learn and understand Tactics, Techniques, and Procedures (TTPs) to support blue/red kill chains across multiple security environments, programs, architectures, and platforms. * Solicit input from various stakeholders, synthesize data, and communicate results to various levels of leadership. * Prepare clear technical documentation and concise briefings; present results to both technical and non-technical stakeholders. ## Related Videos - [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) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [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) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [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) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Software Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/194-software-developer-salary-in-germany-2023) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)