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Systems External Interface Lead Engineer (Satellite/Space Systems)

Requisition ID: R10066254

  • Category IconCategory: Engineering
  • Location IconLocation: Dulles, Virginia, United States of America
  • Citizenship IconCitizenship Required: United States Citizenship
  • Clearance IconClearance Type: None
  • Telecommute IconTelecommute: Yes-May consider hybrid teleworking for this position
  • Shift IconShift: 1st Shift (United States of America)
  • Travel IconTravel Required: Yes, 10% of the Time
  • Positions IconPositions 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.

Northrop Grumman Tactical Space Systems is seeking a Sr. Principal Systems Engineer. This position will be located in Dulles, VA and will support Tactical Space Systems Division in their development and deployment of satellite ground software to customer resources. You will be the External Interface Lead as well as a member of a thread team comprised of Systems Engineers.  In this External Interface Lead role you will be working with multiple internal and external customer communities to define details of external interfaces. Candidates in this role will be expected to be comfortable with frequent inter-organization and customer interaction and teaming. You will become familiar with the systems and their interactions to establish well defined and correct interfaces. As a Systems Engineering thread team member, you will support the full life-cycle of a system capability execution from definition, decomposition, implementation to verification.

What You’ll Get to Do:

  • Maintain the product’s external interface control document (ICD) (such as UCI and GMSEC)
  • Identify and define the messages exchanged between the software product and external systems
  • Facilitate the capability execution, supporting all aspects for a given capability to provide continuity across the whole life cycle of the capability to include the refinement and acceptance of a capability, system design and software feature decomposition, and software scrum team support
  • Support capability I&T and verification activities
  • Maintain MBSE model content associated with your thread, including but not limited to ensuring the model is kept up-to-date with the system baseline as interfaces change (e.g. protobuf messages), components are added/removed, etc. and new capabilities are implemented into the software
  • Develop a deep of understanding of their thread team’s focus area and how the program supports each capability allocated to their thread
  • Know the “how we fit in” for their thread within both Raptor and the larger enterprise, when applicable
  • Raise schedule delays and problems as they occur, to get blockers and impediments removed as quickly as possible

Basic Qualifications:

  • BS degree in Engineering, Science or related technical field and at least 9 years of applicable experience, an MS Degree and 7 years of applicable experience, or a PhD Degree and 4 years of applicable experience
  • Either a working knowledge of systems engineering principles and processes; experience operating SVs or working knowledge/experience in aerospace engineering
  • Demonstrated experience quickly learning new concepts and approaches
  • Demonstrated proficiency in analytical thinking and problem-solving skills and Systems thinking mindset
  • Must have US Citizenship with the ability to obtain and maintain Security Clearance

Preferred Qualifications:

  • Active or current TS/SCI clearance
  • Experience with requirements analysis, definition, and decomposition
  • Experience with interface standards such as UCIor GMSEC
  • Expericence with OMS systems and architecture compliance
  • Familiarity with tools for doing XML schema analysis and verification, such as XMLSpy
  • Familiarity with Google Protbuf messages
  • Familiarity with space ground software and operations
  • Experience with DOORS, Confluence, and JIRA
  • Experience with Agile development
  • Familiarity and/or experience with Model-Based Systems Engineering languages (SysML/UML), concepts and tools (e.g., Cameo)
  • Differentiating characteristics include demonstrated leadership and teamwork capability, interpersonal communication skills and activities (professional/community/extracurricular) and an enthusiastic go getter attitude


Salary Range: $125,800 USD - $188,600 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.