Posted:
9/15/2025, 7:02:58 AM
Location(s):
Colorado Springs, Colorado, United States ⋅ Colorado, United States
Experience Level(s):
Expert or higher ⋅ Senior
Field(s):
IT & Security
Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Northrop Grumman Defense Systems is seeking Principal / Sr. Principal Software Systems Engineer. This position will be located in Colorado Springs, Colorado or Huntsville, Alabama support the Sentinel program.
Position Benefits:
As a full-time employee of Northrop Grumman Space Systems, you are eligible for our robust benefits package including:
Medical, Dental & Vision coverage
401k
Educational Assistance
Life Insurance
Employee Assistance Programs & Work/Life Solutions
Paid Time Off
Health & Wellness Resources
Employee Discounts
This position’s standard work schedule is a 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. This role may offer a competitive relocation assistance package.
Basic Qualifications
Principal Software Engineer: 5 Years with Bachelor’s in related field of study, 3 Years with Masters, 1 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 integrating multiple engineering specialties and stakeholders across multiple Integrated Product Teams and Suppliers
Model-Based Systems Engineering (MBSE) experience
Experience leading the performance of technical tasks on schedule, at cost and achieving all requirements as technical lead
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. Critical functions are those functions that perform/support SCF/Critical signal trace threads.
Sr. Principal Software Engineer: 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. Critical functions are those functions that perform/support SCF/Critical signal trace threads.
Able to create system, hardware and software verification plans to address complete functional validation as described by the software requirements specification
Qualifications Would be Nice to Have:
• Bachelor's degree or higher in Science, Technology, Engineering, and Mathematics (STEM)
• Experience with the Atlassian Tool Suite including Jira and Confluence
• Proficient with DOORS, Cameo with the ability to write and decompose system requirements
• Ability to evaluate risks and tradeoffs and present solution options to management
• Detailed knowledge of the Command and Launch system and mission objectives
•OMG SysML Model Builder Fundamental Certification
•Experienced with verification planning and system buildup for Flight Tests
•Experienced using Model Based Product Line Engineering Concepts
#Sentinelsoftware
Website: https://northropgrumman.com/
Headquarter Location: Falls Church, Virginia, United States
Employee Count: 10001+
Year Founded: 1994
IPO Status: Public
Last Funding Type: Grant
Industries: Data Integration ⋅ Manufacturing ⋅ Remote Sensing ⋅ Security ⋅ Software