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Senior Principal Software Interface Lead

Northrop Grumman

$137,400 - $206,000
Sep 20, 2025
Annapolis Junction, MD, USA • El Segundo, CA, USA
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Northrop Grumman is seeking a Senior Principal SW Interface Lead to manage and document system-level interfaces, ensuring seamless integration between mature and emerging technologies within a highly-complex system.

Requirements

  • Demonstrated experience developing and managing physical, hardware, and software interfaces, specifical low-level protocols and API-based interfaces
  • Demonstrated experience developing and managing data interfaces
  • Experience developing and maintaining IDDs and ICDs, engaging and negotiating with internal and external stakeholders
  • Must have a strong understanding of Systems Engineering fundamentals through all SE phases
  • Familiarity with model based engineering (SysML)
  • Current active DoD Secret Clearance with the ability to obtain and maintain a TS/SCI w. Polygraph prior to start.
  • Experience and familiarity with some combination of: Infrastructure tools: Docker, Kubernetes, Cypress, Doxygen, Jupyter Notebooks, Visual Studio, Python, Node.js

Responsibilities

  • Identify and document System level interfaces, characteristics, and stakeholders.
  • Perform interface requirements analysis to ensure descriptions are complete and ICD and IDD documentation reflects consensus of design teams.
  • Interfaces between the segments of this highly-complex system that includes mature and emerging technologies.

Other

  • Relocation assistance may be available
  • TRAVEL: Yes, 10% of the Time
  • This position will serve on-site in the greater Baltimore, MD area OR Redondo Beach, CA
  • This position is contingent upon acquiring and maintaining the necessary US Government security clearance per customers’ requirements.
  • Excellent written and oral communication skills