Sentinel - Principal/Sr. Principal Systems Engineer - 15101* with Security Clearance
Northrop Grumman
Huntsville, AL
* Work with both technical teams and stakeholders to develop and mature architecture content of large programs design.
* Help develop and incorporate the appropriate requirements for the system and ensure that they are properly represented in the model.
* Develop systems architecture using Cameo Enterprise Architecture (behavioral, structural, analytical).
* Contribute to system requirements development, management, and analysis.
* Develop unifying model techniques, procedures, and processes (for model development, tool integration, and team integration). Basic Qualifications: * Both Levels : Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years and be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs. * Sr. Principal Systems Engineer : Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) with 8 years of experience; or master's degree with 6 years of experience; or PhD with 4 years of experience
* 2+ years of experience with requirements management/analysis/allocations
* 2+ years of experience with Model-Based Engineering / Model-Based Systems Engineering (MBE/MBSE) practices, languages and/or tools such as Cameo, Rhapsody or MagicDRAW
* 2+ years of experience with one or more of the following: C2, physical security, cybersecurity, communications systems, facility design, military aerospace development
* Principal Systems Engineer : Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM) with 5 years of experience; or master's degree with 3 years of experience; or PhD with 1 year of experience.
* 1+ years of experience with requirements management/analysis/allocations
* 1+ years of experience with Model-Based Engineering / Model-Based Systems Engineering (MBE/MBSE) practices, languages and/or tools such as Cameo, Rhapsody or MagicDRAW
* 1+ years of experience with one or more of the following: C2, physical security, cybersecurity, communications systems, facility design, military aerospace development Preferred Qualifications: * Active DoD Top Secret Clearance
* Understanding of the Systems Engineering V-Model
* Experience with requirements management tools such as DOORS
* Experience in SysML or UPDM modeling languages
* Proficiency with the DoDAF, UAF, or other modeling frameworks
* Experience modeling with Cameo Enterprise Architecture, MagicDraw (No Magic, Inc.) or other architecture modeling tools
* Experience using tools to model large systems with multiple developers
* Experience in Software and/or Hardware design
* Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents
* Experience in the military aerospace development environment
* Experience with weapon systems
* Experience exporting documentation out of a model-based environment
* Experience with Agile Development
* Experience with ICBM weapon system sustainment engineering and integration
* Experience with complex system development on large programs As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including: * Medical, Dental & Vision coverage
* 401k
* Educational Assistance
* Life Insurance
* Employee Assistance Programs & Work/Life Solutions
* Paid Time Off
* Health & Wellness Resources
* Employee Discounts This position's standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. #SentinelSystems #HSVJune2025 Salary Range: $105,400.00 - $165,500.00Salary Range 2: $131,000.00 - $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
About the Company
Northrop Grumman
Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines.
© 2020 Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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. U.S. Citizenship is required for most positions. For our complete EEO/AA and Pay Transparency statement, please visit www.northropgrumman.com/EEO