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Sr Principal Engineer Systems Modeling Simulation

Colorado Springs, CO

Job Description

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SecretTRAVEL: 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 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 Space Systems is seeking a Senior Principal Modeling and Simulation Systems Engineer to join our team of qualified, diverse individuals. The qualified applicant will support a growing portfolio of programs and IRADs that focus on missile defense, space, and intelligence and will support various modeling, simulation, and analysis (MS&A) project teams in evaluating the mission performance of military systems.  
Domestic travel (up to 10%) may be required, dependent on program needs. This position will specifically focus on the development and analysis of models and simulations utilizing the Advanced Framework for Simulation, Integration, and Modeling (AFSIM) Framework.  
Basic Qualifications:

• 8 Years of relevant experience with Bachelors in Science in a STEM degree; 6 Years with Masters; 4 Years with PhD

• Active DoD Secret Clearance 

• Experience using Modeling, Simulation, and Analysis (MS&A) to inform the development of systems along the left side of the "Systems Engineering Vee" 


• Experience using Python, MATLAB, or related technologies to interpret complex data  


• Comfortable communicating technical information to technical and non-technical customers  


• Ability to work autonomously and collaboratively in a team setting 


• Excellent written and verbal communication skills 

• Experience mentoring and developing junior-level engineers 

Preferred Qualifications 

• Active DoD Top Secret Clearance 


• Master's degree in Systems Engineering 


• Experience using the Advanced Framework for Simulation, Integration, and Modeling (AFSIM)  


• Experience with Ansys ModelCenter 

• Experience with AFSIM


• Experience with SIMDIS 


• Ability to support development of systems engineering models utilizing SysML and Cameo  


• Experience using agile development methodologies  


• Model-Based Systems Engineering (MBSE) Graduate Certificate 


• INCOSE ASEP (or above) certification  


• Object Modeling Group (OMG) Certified Systems Modeling Professional (OCSMP) Model Builder Fundamental Certification 

What We Can Offer You: 
Northrop Grumman provides a comprehensive benefits package and a work environment that encourages your growth and supports the mutual success of our people and our company. Northrop Grumman benefits give you the flexibility and control to choose the benefits that make the most sense for you and your family. Your benefits will include the following: 

• Health Plan 


• Savings Plan 


• Paid Time Off 


• Education Assistance 


• Training and Development 


• Flexible Work Arrangements 


[https://benefits.northropgrumman.com/us/en2/BenefitsOverview/Pages/default.aspx](https://benefits.northropgrumman.com/us/en2/BenefitsOverview/Pages/default.aspx) 
#NGSpace
#COSpace
#NGFeaturedJobs
Primary Level Salary Range: $124,900.00 - $187,300.00The 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.PDN-a013b134-5a04-457a-93a1-61abf976d2f7
RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SecretTRAVEL: 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 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 Space Systems is seeking a Senior Principal Modeling and Simulation Systems Engineer to join our team of qualified, diverse individuals. The qualified applicant will support a growing portfolio of programs and IRADs that focus on missile defense, space, and intelligence and will support various modeling, simulation, and analysis (MS&A) project teams in evaluating the mission performance of military systems.  
Domestic travel (up to 10%) may be required, dependent on program needs. This position will specifically focus on the development and analysis of models and simulations utilizing the Advanced Framework for Simulation, Integration, and Modeling (AFSIM) Framework.  
Basic Qualifications:

• 8 Years of relevant experience with Bachelors in Science in a STEM degree; 6 Years with Masters; 4 Years with PhD

• Active DoD Secret Clearance 

• Experience using Modeling, Simulation, and Analysis (MS&A) to inform the development of systems along the left side of the "Systems Engineering Vee" 


• Experience using Python, MATLAB, or related technologies to interpret complex data  


• Comfortable communicating technical information to technical and non-technical customers  


• Ability to work autonomously and collaboratively in a team setting 


• Excellent written and verbal communication skills 

• Experience mentoring and developing junior-level engineers 

Preferred Qualifications 

• Active DoD Top Secret Clearance 


• Master's degree in Systems Engineering 


• Experience using the Advanced Framework for Simulation, Integration, and Modeling (AFSIM)  


• Experience with Ansys ModelCenter 

• Experience with AFSIM


• Experience with SIMDIS 


• Ability to support development of systems engineering models utilizing SysML and Cameo  


• Experience using agile development methodologies  


• Model-Based Systems Engineering (MBSE) Graduate Certificate 


• INCOSE ASEP (or above) certification  


• Object Modeling Group (OMG) Certified Systems Modeling Professional (OCSMP) Model Builder Fundamental Certification 

What We Can Offer You: 
Northrop Grumman provides a comprehensive benefits package and a work environment that encourages your growth and supports the mutual success of our people and our company. Northrop Grumman benefits give you the flexibility and control to choose the benefits that make the most sense for you and your family. Your benefits will include the following: 

• Health Plan 


• Savings Plan 


• Paid Time Off 


• Education Assistance 


• Training and Development 


• Flexible Work Arrangements 


[https://benefits.northropgrumman.com/us/en2/BenefitsOverview/Pages/default.aspx](https://benefits.northropgrumman.com/us/en2/BenefitsOverview/Pages/default.aspx) 
#NGSpace
#COSpace
#NGFeaturedJobs
Primary Level Salary Range: $124,900.00 - $187,300.00The 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.PDN-a013b134-5a04-457a-93a1-61abf976d2f7

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company. Our pioneering solutions equip out customers with the capabilities they need to connect and protect the world and push the boundaries of human exploration across the universe. Driven by a shared purpose to solve our customers’ toughest problems, our nearly 100,000 employees contribute to launching the technology of tomorrow, today.

© 2025 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.

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Sr Principal Engineer Systems Modeling Simulation
Northrop Grumman
Colorado Springs, CO
Oct 10, 2025
$124,900 - $187,300 a year
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