Northrop Grumman is currently looking for an experienced Modeling & Simulation Systems Engineer 4 with a background in C++. The Modeling & Simulation Systems Engineer will work with our C++ based simulations of the missiles to verify weapon system requirements.
This position is required to be full-time, on-site in the Northridge, CA location. No remote/telework arrangement is available for this position. Applicants must have an active US Government DoD Secret security clearance with ability to get cleared for SAP.
The Modeling & Simulation (M&S) Systems Engineer 4 leads the definition, development, and sustainment of advanced modeling and simulation capabilities that support system design, verification, and mission analysis for defense programs. This role combines deep technical expertise in systems engineering and M&S with product ownership responsibilities, ensuring that simulation tools and environments deliver measurable value to internal stakeholders, customers, and program leadership.
Key Responsibilities
Modeling & Simulation Engineering
- Develop, integrate, and validate models and simulations supporting various weapons systems
- Extensive testing of the simulations themselves to verify their suitability for weapon systems requirements verification.
- Assist in development of weapon systems requirements verifications, develop 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.
- Ensure traceability from system requirements to models, test cases, and analysis results.
Technical Leadership & Integration
- Leadership abilities and experience to be able to backfill into Product Owner and/or Scrum Master roles should the situation require it
- Interface with customers to clarify requirements, provide status, and positively represent both the team and NG as a company
- Lead technical reviews of modeling approaches, assumptions, limitations, and results; present findings to internal and external stakeholders.
- Mentor junior engineers in modeling techniques, tool usage, and disciplined systems engineering practices.
Process, Governance & Compliance
- Support M&S related DevOps pipelines and toolsets
- Establish and maintain documentation for models, interfaces, and simulation frameworks in accordance with defense-industry and customer expectations.
- Support configuration control and version management for M&S baselines across multiple programs.
- Ensure compliance with cybersecurity, export control, and data-handling requirements for models and simulation environments.
- Contribute to continuous improvement of M&S processes, toolchains, and workflows.
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.
- Experience with leadership of cross functional teams
- 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 and building analysis tools.
- Experience applying principles of dynamics/kinematics to analysis or software development.
- Experience in Jenkins or other DevOps tools
- Current US Government DoW Secret security clearance with ability to be cleared for Special Access Program (SAP) clearance
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
#LI-MA1
Primary Level Salary Range: $142,200.00 - $213,400.00The 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.Skills Required
- BS in aerospace engineering, physics, software engineering, systems engineering, or related field with 8 years experience OR MS with 6 years experience
- Proficiency developing or troubleshooting C or C++ applications on Windows (preferably Linux)
- Significant experience with MATLAB or Python for data analysis or building analysis tools
- Experience applying principles of dynamics/kinematics applicable to missile systems or sensor modeling
- Experience in at least one: requirements development and verification; Jenkins/DevOps tools; AFSIM and/or JSE; Hardware-In-The-Loop systems; or embedded software development
- Current U.S. Government DoW Secret security clearance (active) and U.S. Citizenship
- Ability to work on-site in Northridge, CA (no remote/telework)
- Willingness/ability to travel (~10%)
- Experience with make files or CMake
- Experience running Monte Carlo simulations
- Experience working with an HPC system
- Familiarity with EVMS or charge account management
- Experience as a Scrum Master or Product Owner
- Experience estimating/planning budget and schedule, tracking to plan (preferably agile)
- Familiarity with SysML, preferably with CAMEO
Northrop Grumman Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Northrop Grumman and has not been reviewed or approved by Northrop Grumman.
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Retirement Support — 401(k) matching is considered strong, with additional defined-benefit coverage for certain cohorts and options like catch-up contributions. Retirement programs are repeatedly highlighted as a core strength of the total rewards.
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Leave & Time Off Breadth — PTO, company-paid holidays, and compressed work schedules (such as 9/80) provide meaningful time away and flexibility. These scheduling options are cited as a major quality-of-life benefit across many locations.
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Parental & Family Support — Paid parental leave alongside caregiver leave, adoption assistance, and back-up care supports a range of family needs. These programs have been expanded recently, signaling continued investment in family support.
Northrop Grumman Insights
What We Do
We are a close-knit community of big thinkers collaborating to keep the world safe. Our passion, creativity and expertise bring next-level technology solutions to life in autonomous systems, cyber, C4ISR, strike, space, and logistics and modernization for our customers around the globe. On the Northrop Grumman team, you’ll join our pursuit of excellence immersed in a dynamic culture of innovation and respect. Your unique perspective will help achieve our shared vision for the future of global security. Every step of the way, you'll be supported by world-class training, employee resource groups and a comprehensive benefits package that enables greater health and happiness for you and your family. Worldwide and across disciplines, we’re challenging what’s possible for technology to protect people and places from undersea to outer space and into cyberspace. And we see the impact of our performance every day. We are Northrop Grumman, and we work on what matters—now, you too can make a difference. Explore opportunities in engineering, IT, manufacturing, business management, cybersecurity and more with us. Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action Employer.









