Apply

Ready to go for it?

AI Apply speeds things up—apply directly if you prefer.

FREE ACCESS
5,000–10,000 jobs/day
Scoutfield Logo

See all jobs on Scoutfield

Search thousands of fresh jobs every day.

Discover
  • Fresh listings
  • Fast filters
  • No subscription required
Create a free account and start exploring right away.
Northrop Grumman

Principal, Sr Principal Mechanical Systems Design Integrator

Northrop Grumman

. Review high-level program NX models and Interface Control Models for potential gaps or issues .

Posted 11/4/2026full-timeUnited StatesSenior💰 $98,400 - $213,400 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Mechanical Engineering, including design integration and interface management, while effectively leading cross-functional teams and ensuring compliance with government security clearance requirements.

Highest-signal resume keywords
Mechanical EngineeringSystems Engineering PrinciplesProduct Lifecycle Management (PLM)3D CAD Model DevelopmentU.S. Government DoD Secret Security Clearance

ATS Keywords

Tailor your resume
Applicant Tracking System Keywords

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

Hard Skills
Mechanical DesignInterface Control ModelsFunctional AnalysisTrade StudiesRequirements Allocation AssessmentsIntegration Test PlanningMechanical Risk ManagementDesign Package DeliveryNX CAD SoftwareCPLM/Siemens Teamcenter
Soft Skills
MentoringCoachingEffective CommunicationIndependent WorkProblem Identification
Tools & Technologies
NXSolid EdgeCATIA
Certifications & Qualifications
U.S. Government DoD Secret Security ClearanceU.S. Government DoD Top Secret Security ClearanceSpecial Access Program (SAP) Approval
Industry Keywords
Aerospace DevelopmentDefense System DevelopmentEngineering ProcessesCross-Functional CoordinationEMD Lifecycle Phases

About the role

Key responsibilities & impact
  • Review high-level program NX models and Interface Control Models for potential gaps or issues
  • Drive process and technical gap resolution for interface and requirement design solutions
  • Support engineering processes and analyses across product team designs
  • Support delivery of design packages in a cross-functional environment
  • Coordinate between SE&I and integration, systems, and mechanical design teams
  • Mentor and coach team members
  • Participate in technical planning, process development and improvement, cost management, and risk management
  • Perform functional analysis, timeline analysis, trade studies, requirements allocation assessments, and interface definition studies
  • Lead systems-of-systems integration activities, including integration test planning, problem identification and reporting, and integration event execution
  • Coordinate with multiple stakeholders to facilitate effective communication
  • Work independently with minimum supervision while maintaining ethical and professional standards

Requirements

What you’ll need
  • 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 a U.S. Government DoD Top Secret security clearance
  • Must have the ability to obtain and maintain Special Access Program (SAP) approval
  • Knowledge of mechanical design and design integration principles
  • 1+ year(s) experience with product lifecycle management (PLM) systems, e.g. CPLM/Siemens Teamcenter
  • Working knowledge of systems engineering principles and processes
  • Principal Level: BS in a STEM discipline from an accredited university with 5 years of related experience, 3 years with Masters, or 1 year with PhD
  • Principal Level: 3+ years experience in Mechanical Engineering
  • Principal Level: 2+ years direct development experience of mechanical interface products (ICMs), including interfacing with other IPTs
  • Principal Level: 1+ year(s) experience managing or executing interface products and requirement specifications
  • Principal Level: 2+ years experience on large-scale/complex aerospace or defense system development across multiple EMD lifecycle phases
  • Principal Level: 1+ year(s) experience developing and executing Mechanical Engineering process governance documentation and/or mechanical risk management
  • Principal Level: 1+ year(s) experience developing 3D CAD models with PMI annotation using NX, Solid Edge, CATIA, or similar
  • Sr Principal Level: BS in a STEM discipline from an accredited university with 8 years of related experience, 6 years with Masters, or 4 years with PhD
  • Sr Principal Level: 5+ years experience in Mechanical Engineering
  • Sr Principal Level: 3+ years direct development experience of mechanical interface products (ICMs), including interfacing with other IPTs
  • Sr Principal Level: 2+ years experience managing or executing interface products and requirement specifications
  • Sr Principal Level: 3+ years experience on large-scale/complex aerospace or defense system development across multiple EMD lifecycle phases
  • Sr Principal Level: 2+ years experience developing and executing Mechanical Engineering process governance documentation and/or mechanical risk management
  • Sr Principal Level: 1+ year(s) experience in technical leadership environments
  • Sr Principal Level: 2+ years experience developing 3D CAD models with PMI annotation using NX, Solid Edge, CATIA, or similar
  • U.S. Citizenship is required for positions with a government clearance
  • Ability to travel 10% of the time

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
  • 9/80 schedule with every other Friday off
  • Overtime eligibility, depending on position
  • Shift differential, depending on position
  • Discretionary bonus, depending on position
  • Company paid holidays
  • Disability insurance
  • Savings plan