Senior Principal Software Systems Engineer

Northrop Grumman

Senior Principal Software Systems Engineer at Northrop Grumman, working on the Sentinel program. Responsible for software systems engineering with a focus on safety and design integration.

Posted 5/28/2026full-timeRoy • Alabama, Colorado, Utah • 🇺🇸 United StatesSenior💰 $118,600 - $196,700 per yearWebsite

About the role

Key responsibilities & impact

Support the Sentinel program.
Work with revolutionary systems impacting people's lives.
Team up to invent the future while adhering to safety and engineering best practices.
Collaborate with cross-functional teams.

Requirements

What you’ll need

8 Years with Bachelor’s in related field of study, 6 Years with Masters, 4 Years with PhD or 4 additional years in lieu of a degree
US Citizenship with Active DoD Secret clearance with a reinvestigation date occurring in the last 6 years.
Ability to obtain Special Program Access (SAP).
Ability to team plan, execute, and manage the technical scope, and support leadership planning.
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
Experience integrating multiple engineering specialties and stakeholders across multiple Integrated Product Teams and Suppliers
Experience leading requirements, design, and integration of complex systems
Minimum 2 years Model-Based Systems Engineering (MBSE) experience
Able to create plans and standards for architecture, requirements, and design that can address selection process that accounts for providing safe, fault tolerant, and deterministic operation for critical functions.
Able to create system, hardware and software verification plans to address complete functional validation as described by the software requirements specification

Benefits

Comp & perks

Medical, Dental & Vision coverage
401k
Educational Assistance
Life Insurance
Employee Assistance Programs & Work/Life Solutions
Paid Time Off
Health & Wellness Resources
Employee Discounts

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Applicant Tracking System Keywords

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Hard Skills & Tools

software engineeringsystem designsoftware requirementstestAgileScrumSafety Critical Functional Thread Analysis (SCFTA)Model-Based Systems Engineering (MBSE)architecture planningverification plans

Soft Skills

team planningexecution managementleadership planningcollaboration

Certifications

DoD Secret clearanceSpecial Program Access (SAP)USAF Nuclear Surety (AFMAN91-119)Cyber Certification