Principal Systems Engineer, Architect

Northrop Grumman

Systems Engineer Architect for Northrop Grumman's Sentinel program, focusing on development of requirements and system engineering models. Collaborates with diverse engineering teams on missile system projects.

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

Tip: use these terms in your resume and cover letter to boost ATS matches.

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