Principal Engineer Systems / Senior Principal Engineer Systems

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes 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 Aeronautics Systems has an opening for a Principal Engineer Systems / Sr. Principal Engineer Systems to join our team of qualified, diverse individuals within our Systems Engineering organization. This role is located in Melbourne, FL. **This role may be filled at the Principal OR Senior Principal level based on the qualifications listed, below** In this role, the successful candidate will participate in the definition, design, integration, and verification of complex systems-of-systems architecture by leveraging Model-Based Systems Engineering (MBSE) experience. The successful candidate will apply MBSE principles and tools to create and manage rigorous, reusable system models that drive requirements traceability, architecture development, and impact analysis across the product lifecycle. This role partners closely with cross-functional teams—including hardware, software, firmware, test, and program management—to ensure that system designs meet performance, cost, schedule, and risk objectives. The individual will support the application of commercial technologies to operational military use cases, including advanced communications, machine learning, and future wireless technologies in support of advanced battle management capabilities. The qualified candidate must thrive in a fast-paced, team environment, be comfortable multi-tasking and reprioritizing daily, contribute to whitepapers and proposals, develop PowerPoint presentation content, and self-learn with minimal direction. Key Responsibilities: Define and maintain MBSE process standards and best practices, and champion MBSE adoption across engineering teams. Develop and refine system architectures and models using SysML or equivalent tools to capture system behavior, interfaces, and performance. Perform trade studies, architecture assessments, and model-based simulations to support design decisions. Manage requirements by capturing, decomposing, allocating, and tracing them throughout the model lifecycle, ensuring traceability to verification and validation. Generate design specifications and coordinate integration activities to ensure consistency and manage changes. Derive test cases and procedures from model requirements and support verification and validation through model-based analysis. Maintain model repositories, apply version control, and manage configuration of model artifacts. Facilitate design reviews, produce clear documentation and presentations, and communicate complex system concepts to stakeholders. Identify opportunities for automation, implement tooling enhancements, and evaluate emerging MBSE technologies for adoption We offer flexible work arrangements, 9/80 work schedule with every other Friday off, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. We are looking for self-motivated, proactive, and goal-oriented people to help us grow our services and become even better at what we do. Basic Qualifications (Principal): Must have a Bachelor of Science degree in a STEM (Science, Technology, Engineering, or Math) discipline AND 5 years of related professional/military experience, OR a Master of Science degree in a STEM discipline AND 3 years of related professional/military experience, OR a STEM Ph.D. AND 1 year of related professional/military experience. Must have an active US Government Secret clearance (with a background investigation within the past 6 years or 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 Must have the ability to work independently and identify solutions to complex problems. Must have experience with Model-Based Systems Engineering (MBSE) techniques and tools within the Systems Engineering life cycle. Must have the ability to work across multiple engineering disciplines. Must have excellent oral and written communication skills and strong interpersonal skills. Basic Qualifications (Senior Principal): Must have a Bachelor of Science degree in a STEM (Science, Technology, Engineering, or Math) discipline AND 8 years of related professional/military experience, OR a Master of Science degree in a STEM discipline AND 6 years of related professional/military experience, OR a STEM Ph.D. AND 4 year of related professional/military experience. Must have an active US Government Secret clearance (with a background investigation within the past 6 years or 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 Must have the ability to work independently and identify solutions to complex problems. Must have experience with Model-Based Systems Engineering (MBSE) techniques and tools within the Systems Engineering life cycle. Must have the ability to work across multiple engineering disciplines. Must have excellent oral and written communication skills and strong interpersonal skills. Preferred Qualifications: Current Top Secret Clearance Experience applying commercial products to military applications. Primary Level Salary Range: $98,400.00 - $147,600.00 Secondary Level Salary Range: $122,800.00 - $184,200.00 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 U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions. Existing Applicants: Need to update your contact information or email address? Once logged in, click on Candidate Home in the upper right corner and scroll to the bottom of that screen to see buttons for: Update Contact information to update your legal name, address, and phone number Edit Account Settings to edit your email address We are a pioneering company. With careers across all areas: air, cyber, land, sea and space – our 90,000 employees work as one to defend and define the future. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will give you every opportunity to do your best work. Working together with people from many backgrounds, personal passions and disciplines, we share a drive to push the boundaries of science, technology and engineering to meet the ever evolving needs of our customers worldwide.