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Senior Principal Software Systems Engineer - Sentinel Program

Northrop Grumman

$118,600 - $196,700
Sep 24, 2025
Offutt AFB, NE, USA • Huntsville, AL, USA
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Northrop Grumman Defense Systems is seeking a Sr. Principal Software Systems Engineer to support the Sentinel program, which involves developing revolutionary systems that impact people's lives and push the boundaries of possible across land, sea, air, space, and cyberspace.

Requirements

  • Current understanding of software engineering best practices
  • Experience in software engineering, system design, software requirements, and test
  • Experience with Agile and working in a cross-functional Scrum team.
  • Experience performing Safety Critical Functional Thread Analysis (SCFTA)
  • Experience designing for and writing requirements for Safety Critical Functions
  • Experience with USAF Nuclear Surety (AFMAN91-119) and/or Cyber Certification
  • Minimum 2 years Model-Based Systems Engineering (MBSE) experience

Responsibilities

  • Ability to team plan, execute, and manage the technical scope, and support leadership planning.
  • Experience in software engineering, system design, software requirements, and test
  • Experience performing Safety Critical Functional Thread Analysis (SCFTA)
  • Experience designing for and writing requirements for Safety Critical Functions
  • Experience integrating multiple engineering specialties and stakeholders across multiple Integrated Product Teams and Suppliers
  • Experience leading requirements, design, and integration of complex systems
  • Able to create system, hardware and software verification plans to address complete functional validation as described by the software requirements specification

Other

  • US Citizenship with Active DoD Secret clearance with a reinvestigation date occurring in the last 6 years.
  • Ability to obtain Special Program Access (SAP).
  • RELOCATION ASSISTANCE: Relocation assistance may be available
  • TRAVEL: Yes, 10% of the Time
  • 8 Years with Bachelor’s in related field of study, 6 Years with Masters, 4 Years with PhD or 04 additional years in lieu of a degree.