Principal/Senior Principal Mission Engineer (AHT)
Northrop Grumman
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Dulles, VA · Posted October 2, 2026
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About the job
RELOCATION ASSISTANCE: Relocation assistance may be available
CLEARANCE REQUIRED FOR START: Yes
CLEARANCE TYPE: SCI
TRAVEL: No 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’s Space Sector is seeking a Principal/Sr. Principal Mission Engineer Level 3 or Level 4 to join our team in Dulles, VA.
Successful candidates for this position will work in a technical role for space and ground programs in Dulles, VA. This position offers the opportunity to work on exciting, cutting-edge programs and new mission areas in the following areas to support next generation space capabilities.
This position will work a 9/80 schedule, with every other Friday off.
Job responsibilities include, but are not limited to, the following:
CONOPS and Mission Analysis
Systems Level Integration and Test
Mission Modeling and Simulation
Verification and Validation
Resource Logistics and Execution
Mission Operations Support
Model Based Systems Engineering
This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company.
This position can be filled at either a Level 3 or Level 4.
Basic Qualifications for Level 3:
Bachelor’s degree with 5 years of professional experience or Master’s degree with 3 years of professional experience or PhD with 1 year of professional experience
Requires an active Top-Secret/Sensitive Compartmented Information (SCI) clearance at time of application
Experience with a space or ground system development program
Understanding of Systems Engineering principles and practices
Experience in requirements management, system architecture development, and CONOPs.
Basic Qualifications for Level 4:
Bachelor’s degree with 8 years of professional experience or Master’s degree with 6 years of professional experience or PhD with 4 years of professional experience
Requires an active Top-Secret/Sensitive Compartmented Information (SCI) clearance at time of application
Experience with a space or ground system development program
Understanding of Systems Engineering principles and practices
Experience in requirements management, system architecture development, and CONOPs.
Preferred Qualifications:
Experience presenting to customers
Experience working with a cross-discipline team
Experience in Space Superiority mission design, satellite ground software, distributed modeling & simulation
Understanding of system of system architecture designs the interplay between various national security customers and products
Mission system requirements, verification/validation planning, mission planning/execution, mission analysis, modeling/simulation, system trade studies
Proficiency in any modeling and simulation tools: Cameo, STK, Matlab, AFSIM, Python
Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:
https://www.northropgrumman.com/space
#SpaceEngJobs #SpaceSysEngJobs
#NoVASpace
#SPEnhancedERAP
Primary Level Salary Range: $114,000.00 - $171,000.00
Secondary Level Salary Range: $142,200.00 - $213,400.00
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.