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Senior Principal Software Systems Engineer - Sentinel Program

Northrop Grumman

$100,300 - $196,700
Sep 25, 2025
Colorado Springs, CO, USA • Huntsville, AL, USA
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Northrop Grumman is seeking a Sr. Principal Software Systems Engineer to support the Sentinel program, pushing 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 with USAF Nuclear Surety (AFMAN91-119) and/or Cyber Certification
  • Minimum 2 years Model-Based Systems Engineering (MBSE) experience
  • Experience with the Atlassian Tool Suite including Jira and Confluence
  • Proficient with DOORS, Cameo with the ability to write and decompose system requirements

Responsibilities

  • Team plan, execute, and manage the technical scope, and support leadership planning
  • Perform Safety Critical Functional Thread Analysis (SCFTA)
  • Design for and write requirements for Safety Critical Functions
  • Integrate multiple engineering specialties and stakeholders across multiple Integrated Product Teams and Suppliers
  • Lead requirements, design, and integration of complex systems
  • Create plans and standards for architecture, requirements, and design
  • Create system, hardware and software verification plans to address complete functional validation

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)
  • Bachelor's degree or higher in Science, Technology, Engineering, and Mathematics (STEM)
  • Travel: Yes, 10% of the Time
  • Relocation assistance may be available