Modeling & Simulation Systems Engineer 3 or 4 (AHT)

Company: Northrop Grumman
Location: Northridge
Posted on: April 3, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman is currently looking for an experienced Modeling & Simulation Systems Engineer 3 or 4 with a background in C++ . The Modeling & Simulation Systems Engineer will work with our C++ based simulations of the AARGM-ER family of missiles to verify weapon system requirements. This will assist in developing weapon systems requirements verifications, scenarios to verify those requirements, analyzing the results using MATLAB or python tools, and digging into the C++ source code of the simulation to track down reasons for apparent requirements failures (Actual issue with the system itself, the system software, or the model representation in C++). The Modeling & Simulation Systems Engineer will also do extensive testing of the simulations themselves to verify their suitability for weapon systems requirements verification. Later tasks will vary between software-centric or analysis-centric. Basic Qualifications for a Modeling & Simulation Systems Engineer - (Level 03): BS degree in aerospace engineering, physics, software engineering, systems engineering, or a related field is required with 5 years of experience or an MS degree in areas above with 3 years of experience. Previous experience, and proficiency in developing or troubleshooting C or C++ applications on Windows, and preferably on Linux. Significant experience with either MATLAB or python, with demonstrable experience and skills in using these for data analysis or building analysis tools. Experience applying principles of dynamics/kinematics to analysis or software development. Experience should be specifically applicable to missile systems, though the experience can be in other areas. May consider experience with sensor modeling in liu of this. Experience in at least one of the following: 1 – requirements development and verification, including developing requirements, devising requirements verification methods, executing those verifications, and documenting the results; 2 - Jenkins or other DevOps tools; 3 - AFSIM and/or JSE; 4 - working with a Hardware-In-The-Loop system; or 5 - embedded software development Current US Government Secret level clearance with ability to be cleared for SAP (Special Access Program) Basic Qualifications for a Modeling & Simulation Systems Engineer - (Level 04): BS degree in aerospace engineering, physics, software engineering, systems engineering, or a related field is required with 8 years of experience or an MS degree in areas above with 6 years of experience. Previous experience, and proficiency in developing or troubleshooting C or C++ applications on Windows, and preferably on Linux. Significant experience with either MATLAB or python, with demonstrable experience and skills in using these for data analysis or building analysis tools. Experience applying principles of dynamics/kinematics to analysis or software development. Experience should be specifically applicable to missile systems, though the experience can be in other areas. Will also consider experience with sensor modeling in liu of this. Experience in at least one of the following: 1 – requirements development and verification, including developing requirements, devising requirements verification methods, executing those verifications, and documenting the results; 2 - Jenkins or other DevOps tools; 3 - AFSIM and/or JSE; 4 - working with a Hardware-In-The-Loop system; or 5 - embedded software development Current US Government Secret level clearance with ability to be cleared for SAP (Special Access Program Preferred Qualifications: Experience as a charge account manager, or other experience with EVMS Experience as a scrum master (beyond just running scrum meetings) or scrum product owner. Experience running Monte Carlo simulations Experience working with an HPC system Familiar with make files or CMAKE. Experience in estimating/planning budget and schedule, and in tracking to that plan. Specific experience in doing so via an agile paradigm. Experience with SysML, preferably with CAMEO * Living in Northridge offers a perfect combination of urban living with the beauty of nature. It is a short drive away from downtown Los Angeles, the Hollywood Hills, or the rest of the San Fernando Valley. Take advantage of your flexible work schedule to enjoy shopping at the local Northridge Fashion Center or spend time at the local Recreation Center as well as easy access to nearby protected natural areas such as the Chatsworth Reservoir, the Santa Susana Pass State Historic Park, Lake Balboa or within driving distance, spend a day at the beach or snow ski at our local mountains. With Cal State Northridge right in the heart of town, the area has an active college-town energy combined with family-friendly suburban charm. The stunning southern California climate makes for year-round easy living. With an average of 284 sunny days during the year, it is safe to say you’ll have plenty of time to enjoy your outdoor activities to the fullest. For more information, please click on this link below: Northrop Grumman in Northridge-California - Northrop Grumman LI-MA1 Primary Level Salary Range: $89,400.00 - $134,200.00 Secondary Level Salary Range: $110,300.00 - $165,500.00 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. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Keywords: Northrop Grumman, Carlsbad , Modeling & Simulation Systems Engineer 3 or 4 (AHT), IT / Software / Systems , Northridge, California