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Sr. Principal Systems Engineer – External Interface Engineer – Top Secret Clearance Required (Space/Satellite Systems)

Requisition ID: R10112740

  • CategoryCategory: Engineering
  • LocationLocation: Dulles, VA, USA
  • Citizenship RequirementsCitizenship Required: United States Citizenship
  • Security Clearance TypeClearance Type: Top Secret
  • TelecommuteTelecommute: No- Teleworking not available for this position
  • ShiftShift: 1st Shift (United States of America)
  • Travel RequirementsTravel Required: Yes, 10% of the Time
  • Relocation AssistanceRelocation Assistance: Relocation assistance may be available
  • Number of Positions AvailablePositions Available: 1

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.

This Systems Engineer role is located in Dulles, VA supporting our National Security Space Systems programs that include technical roles at the mission, segment, and component levels. They span the entire program life cycle from early concept studies, design development, system integration/test, launch and early operations, mission operations/sustainment, and system disposal. Programs range from small feasibility studies to medium-sized on-orbit technology demonstrations and large-scale national systems.

Successful candidates for this position will work in a technical role for a space program in the Space Systems Sector. This systems engineering position will support a ground-based service-oriented architecture intended to service next-generation space capability. The responsibilities of this role include:

  • CONOPS and mission analysis

  • Systems architecture development that optimizes ground system design, space vehicle design, and mission success

  • Requirements management

  • Interface management and interface control documentation

  • Systems-level integration and test for a ground system

  • Verification and validation of requirements

  • Resource logistics planning and execution

The ideal candidate for this position will have equal parts technical competency, forward-thinking ideas, and a focus on execution. This position requires a functional understanding of ground system networking, private cloud deployments, data and messaging busses, software deployment, and hardware deployment. This position requires frequent organized and solutions-oriented interaction with external entities who are contributing elements of the integrated ground segment.

Basic Qualifications:

  • B.S in Science, Technology, Engineering, Math (STEM) or related discipline and 9 years of experience or a M.S. in STEM or related discipline and 7 years of experience

  • Must have U.S. Citizenship with a current or active Top Secret clearance with SCI eligibility

  • Prior experience with ground systems

  • Knowledge of space-to-ground and mission architecture development

  • Understanding of Agile software development practices, including the Scaled Agile Framework (SAFe)

  • Experience in requirements development, management, and verification

  • Experience in developing and managing Interface Control Documents (ICDs)

  • Demonstrated communication and technical writing skills

Preferred Qualifications:

  • Prior experience with a space systems development program

  • Experience with spacecraft mission operations

  • Experience in Model Based Systems Engineering and Cameo Systems Modeler or Cameo Systems Architect


Salary Range: $129,700 USD - $194,500 USD

Employees may be eligible for 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 health and safety of our employees and their families is a top priority. The company encourages employees to remain up-to-date on their COVID-19 vaccinations. U.S. Northrop Grumman employees may be required, in the future, to be vaccinated or have an approved disability/medical or religious accommodation, pursuant to future court decisions and/or government action on the currently stayed federal contractor vaccine mandate under Executive Order 14042

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. For our complete EEO/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

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What's great about
Northrop Grumman

  1. Be part of a culture that thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work.
  2. Use your skills to build and deliver innovative tech solutions that protect the world and shape a better future.
  3. Enjoy benefits like work-life balance, education assistance and paid time off.

Did you know?

Northrop Grumman leads the industry team for NASA’s James Webb Space Telescope, the largest, most complex and powerful space telescope ever built. Launched in December 2021, the telescope incorporates innovative design, advanced technology, and groundbreaking engineering, and will fundamentally alter our understanding of the universe.