Principal Systems Engineer, Architect

Northrop Grumman

. Model-Based Systems Engineering (MBSE), development of requirements and multiple system engineering models .

Posted 5/22/2026full-timeAlabama, Colorado, New York, 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
Tracking requirements through design, verification, integration, and operational validation
Identifying required contractual deliverables and non-contractual documentation and driving corresponding updates to closure
Coordinating and collaborating with diverse engineering design teams

Requirements

What you’ll need

Bachelor's degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university and 2 years of experience
MS with 0 years of experience
Must be a US Citizen with an active U.S. Government DoD Secret security clearance at time of application
Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time
2 years of experience developing or reviewing requirements within DOORS or similar tool
2 years of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems
BS degree in STEM with 5 Years of related systems engineering experience; 3 Years with Masters; 1 Year with PhD
Must be able to be successfully screened for Enhanced Security Clearances
Familiarity or experience with MagicDraw / Cameo EA
Familiarity or expertise in DOORS requirements management tool
Experience developing ICDs and defining interfaces in an MBSE environment
Experience working in an Agile team
Understanding of GN&C algorithms and flight critical software development
Working understanding of basic control system theory and vehicle management systems / guidance system design

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 developmentrequirements analysisverification methodsICBM systemsGN&C algorithmscontrol system theoryvehicle management systemsAgile methodologyinterface definition

Soft Skills

coordinationcollaborationcommunicationorganizational skillsproblem-solving

Certifications

Bachelor's degree in STEMMaster's degree in STEMU.S. Government DoD Secret security clearanceSpecial Access Program (SAP) approval