MBSE Systems Engineer (Level 3 or 4)

Company: Northrop Grumman
Location: San Antonio
Posted on: April 4, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI 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. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We’re looking for innovators, who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry thought-leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. We are seeking a highly skilled and motivated Principal Cyber Systems Engineer to join our dynamic engineering team. This role involves serving as a Model-Based Systems Engineer (MBSE) on a team dedicated to the development of a new cloud hybrid solution operating in a multi-level security environment. The position requires expertise in Systems Engineering with an emphasis in Cybersecurity, with a focus on both Continental United States (CONUS) and Outside Continental United States (OCONUS) operations. The qualified applicant will become part of Northrop Grumman’s Mission Systems support team in San Antonio, TX . Please be aware that this position will be contingent upon capturing program award, obtaining customer funding, and holding final clearances prior to start date. * What you'll get to do: Collaborate with the lead engineer to design and implement modeling frameworks for SD-WAN solutions within a cloud environment. Conduct risk assessments and develop strategies for secure data transmission and storage in a multi-level security setting. Utilize MBSE methodologies to capture and analyze system requirements, functionality, and performance. Enable simulation concept creating virtual representations (models) of real-world networks to study behavior, predict performance, and test designs in a virtual environment. Engage in systems integration and testing to ensure compliance with cybersecurity standards. Support the documentation of engineering processes, models, and security protocols. Assist in the creation and execution of operational plans for both CONUS and OCONUS deployments. Communicate effectively with cross-functional teams, stakeholders, and regulatory bodies to convey technical information and project status. Stay current with emerging cybersecurity trends, technologies, and best practices. This position is contingent upon Funding and Contract Award. This position can be filled at the Principal or Sr. Principal Engineer level. Basic Qualifications for Principal Cyber Systems Engineer: Bachelor’s degree in related STEM discipline with 5 years of experience; Master’s degree related in STEM discipline with 3 years of experience; PhD in related STEM discipline with 1 year of experience in Electrical Engineering, Systems Engineering, Software Engineering, Computer Engineering, Physics, Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree. U.S. Citizenship required A current/active DoD Top Secret w/ SCI eligibility Ability to obtain and maintain Special Access Program (SAP) clearance Strong understanding of Model-Based Systems Engineering principles and tools. DoD 8140 certification at IAT Level II or higher (Security, etc.) is required Basic Qualifications for Senior Principal Cyber Systems Engineer: Bachelor’s degree in related STEM discipline with 9 years of experience; Master’s degree related in STEM discipline with 7 years of experience; PhD in related STEM discipline with 4 year of experience in Electrical Engineering, Systems Engineering, Software Engineering, Computer Engineering, Physics, Mathematics or related technical fields; an additional 4 years of experience may be considered in lieu of a degree. U.S. Citizenship required A current/active DoD Top Secret w/ SCI eligibility Ability to obtain and maintain Special Access Program (SAP) clearance Strong understanding of Model-Based Systems Engineering principles and tools. DoD 8140 certification at IAT Level II or higher (Security, etc.) is required Preferred Qualifications for both: Candidate must have good communication skills, strong interpersonal skills, and demonstrated ability to present complex technical concepts to non-technical stakeholders Familiarity with cloud hybrid systems (AWS, Azure, Google, or similar) Knowledge of network security protocols, tools, and technologies. Familiarity with multi-level security (MLS) frameworks and compliance requirements. Demonstrated ability to work collaboratively in a team environment. Comfortable working in an Agile Development environment. Strong analytical and troubleshooting skills to identify and resolve issues Ability to work in a fast-paced and dynamic environment. Flexibility to adapt to changing project requirements and milestones. Modeling and simulation tools experience Cameo, MATLAB, Capital, Simics, or QualNet Understanding of Digital Twin environments to run simulations and predict future outcomes. This position offers an exciting opportunity to contribute to innovative technology in a critical security domain. If you have the expertise and passion for advancing cybersecurity solutions within a collaborative team environment, we encourage you to apply. Primary Level Salary Range: $110,000.00 - $165,000.00 Secondary Level Salary Range: $137,000.00 - $206,000.00 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, Cedar Park , MBSE Systems Engineer (Level 3 or 4), Engineering , San Antonio, Texas