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Principal/Sr. Principal Systems Engineer

Yesterday Dulles, VA

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: 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.Expand your horizons, advance your career, and contribute to a secure future for generations. Northrop Grumman's Space Sector invites you to bring your pioneering spirit to our collaborative teams. As a Principal Systems Engineer or Sr. Principal Systems Engineer located in Dulles, VA or El Segundo, CA, you'll be a linchpin in missions of paramount importance, defining the art of the possible from day one. This position is 100% onsite and cannot accommodate telecommute work.
This role focuses on advancing space systems through comprehensive systems engineering efforts. The Principal/Sr. Principal Systems Engineer will contribute to architecture trade studies, system design analysis, and performance modeling through advanced simulations. In this capacity, you will define and manage requirements, develop segment interfaces, and leverage cutting-edge technologies in system design.
This position will work a 9/80 schedule, with every other Friday off.
In this job, you will:

Defining system architectures, conducting trade studies, and developing specifications.
Allocating and validating requirements and contributing to payload performance analysis.
Designing modeling and simulation tools for system-level performance evaluation.
Leading payload hardware development for space and ground systems integration.
Managing performance, hardware, and integration processes.
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 U.S. Government DoD Top-Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access
Ground systems design (tasking, planning, C2)

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Experience with spacecraft system design
Experience with system engineering processes
Experience designing, integrating, testing and operating ground and space systems
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 U.S. Government DoD Top-Secret security clearance at time of application, current and within scope, with the ability to obtain and maintain SCI approval/access
Ground systems design (tasking, planning, C2)
Experience with spacecraft system design
Experience with system engineering processes
Experience designing, integrating, testing and operating ground and space systems
Preferred Qualifications:

Experience with RF and optical phenomenology
Candidates have completed relevant coursework in space system life-cycle
Experience with initial acquisition, checkout, disposal, and sensors
Experience with RF signals
Curious about all the exciting developments with the Northrop Grumman Space Sector? Click the link below:*
https://www.northropgrumman.com/space
Primary Level Salary Range: $114,000.00 - $171,000.00Secondary Level Salary Range: $142,200.00 - $213,400.00The 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.

Client-provided location(s): Dulles, VA
Job ID: NorthropGrumman-R10223746
Employment Type: OTHER
Posted: 2026-02-25T19:53:52

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • HSA
    • HSA With Employer Contribution
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Four-Day Work Week
  • Office Life and Perks

    • Commuter Benefits Program
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Sabbatical
    • Leave of Absence
  • Financial and Retirement

    • 401(K)
    • 401(K) With Company Matching
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Tuition Reimbursement
    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Leadership Training Program
    • Associate or Rotational Training Program
  • Diversity and Inclusion

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