Principal Systems Engineer

Northrop Grumman

Systems Engineer at Northrop Grumman supporting Sentinel program, responsible for Model-Based Systems Engineering and coordination with engineering teams.

Posted 5/30/2026full-timeRoy • Alabama, Utah • 🇺🇸 United StatesLead💰 $79,300 - $131,400 per yearWebsite

About the role

Key responsibilities & impact

Model-Based Systems Engineering (MBSE), development of requirements and multiple system engineering models
Coordination & collaboration with the System Engineering and Command & Launch Segment System Engineering Teams
Supporting system, segment, element and unit level trade studies
Definition of high-level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower-level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation
Supporting a team of engineers to create, mature and present comprehensive and cohesive technical charts representative of the appropriate level of maturation for any given milestone meeting and demonstrating team readiness in relation to achieving the milestone entrance and exit criteria
Identifying required contractual deliverables and non-contractual documentation and driving corresponding updates to closure
Coordinating and collaborating with diverse engineering design teams to assist in managing the technical baseline

Requirements

What you’ll need

Bachelor of Science degree in STEM discipline and 2 years of experience; 0 years with master’s degree
Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years
Must be able to be successfully screened for Enhanced Security Clearances
1+ year of experience developing or reviewing requirements within DOORS or similar tool
1+ year of experience in ICBM OR complex aerospace/defense systems
Bachelor’s degree in STEM with 5 years’ experience; 3 years’ experience with a Masters’ degree in STEM; or 1 years’ experience with a PhD
2 years of experience developing or reviewing requirements within DOORS or similar tool
2 years of experience in ICBM OR complex aerospace/defense systems
Understanding of the Systems Engineering V-Model
Experience with requirements management tools such as DOORS
Experience in SysML or UPDM modeling languages
Proficiency with the DoDAF, UAF, or other modeling frameworks
Experience modeling with Cameo Enterprise Architecture, MagicDraw or other architecture modeling tools
Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents
Experience in Software and/or Hardware design
Experience in the military aerospace development environment
Experience with weapon systems
Experience exporting documentation out of a model-based environment
Experience with Agile Development
Experience with ICBM weapon system sustainment engineering and integration
Experience with complex system development on large programs

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Model-Based Systems Engineering (MBSE)requirements developmentDOORSSysMLUPDMDoDAFUAFCameo Enterprise ArchitectureMagicDrawAgile Development

Soft Skills

coordinationcollaborationtechnical communicationteam supportanalysisproblem-solvingdocumentationmilestone managementcontractual deliverables managementtechnical baseline management

Certifications

Bachelor of Science degree in STEMDoD Secret ClearanceEnhanced Security Clearances