Senior Principal Systems Engineer

Northrop Grumman

Senior Principal Systems Engineer supporting advanced missile programs at Northrop Grumman. Responsible for system requirements decomposition and risk management in defense acquisition.

Posted 6/3/2026full-timeRoy • Alabama, Utah • 🇺🇸 United StatesSenior💰 $135,800 - $203,600 per yearWebsite

About the role

Key responsibilities & impact

Decompose and allocate system requirements into detailed specifications, maintaining end-to-end traceability throughout the lifecycle.
Develop functional architectures, use cases, and concepts of operations for cruise-missile subsystems, including model-based systems engineering artifacts (CAMEO, DOORS).
Lead hardware-in-the-loop, developmental flight, and operational test integration, overseeing verification and validation of software and hardware components.
Create and manage technical-maturation roadmaps and integration plans for the Technology Maturation and Risk Reduction (TMRR) phase.
Identify, analyze, and mitigate program risks, producing risk-management plans and supporting decision-making.
Facilitate cross-functional working groups and model-capability reviews, ensuring adherence to standards and processes.
Produce key systems-engineering deliverables such as design reviews, trade studies, interface control documents, and requirements baselines.
Contribute to proposal development, RFP/RFS responses, and Bases of Estimate for TMRR efforts.
Act as a Systems Engineering liaison with internal teams, external partners, and customers, providing expertise and guidance.

Requirements

What you’ll need

Bachelor’s Degree in a STEM discipline from an accredited university with 8 years of related experience, 6 years with Masters, 4 years with PhD
Must have an active U.S. Government DoD Secret security clearance at time of application, current and within scope, with an investigation date within the last 6 years
Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period, as determined by the company to meet its business needs
6+ years of experience assessing and managing program risks in a defense-acquisition environment.
6+ years of experience with DOORS and CAMEO and recent MBSE work including architecture development, functional decomposition, requirements development and allocation, and interface definition.

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 engineeringfunctional architecturesrequirements developmentrisk managementverification and validationtechnical maturation roadmapsintegration plansdesign reviewstrade studiesinterface control documents

Soft Skills

leadershipcross-functional collaborationdecision-makingcommunicationfacilitation

Certifications

Bachelor’s Degree in STEMU.S. Government DoD Secret security clearanceSpecial Access Program (SAP) approval