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Northrop Grumman

Principal/Sr Principal Systems Engineer

Northrop Grumman

. Join the Sentinel Systems Engineering & Integration (SE&I) Team .

Posted 11/3/2026full-timeUnited StatesSenior💰 $98,400 - $184,200 per yearWebsite

Core Competencies

Role fit
Core Competencies

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

Demonstrates expertise in Systems Engineering principles, including acquisition and Model-Based Systems Engineering (MBSE), while effectively mentoring team members and fostering inclusive collaboration. Proficient in creating and managing Subcontractor Statements of Work and ensuring compliance with program objectives.

Highest-signal resume keywords
Systems Engineering PrinciplesActive DoD Secret ClearanceMicrosoft Word, Excel, PowerPointDOORS, Jira, ConfluenceAgile Methodologies

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
Systems EngineeringModel-Based Systems Engineering (MBSE)Subcontractor Statement of Work CreationTechnical SupportIssue ResolutionCompliance DocumentationPrOP WritingSDRL and DID StructuresTeamcenter/CPLMDXL
Soft Skills
MentoringCoachingCommunicationTeam CollaborationEngagement
Certifications & Qualifications
Bachelor’s Degree in STEMMaster’s Degree in STEMPhD in STEM
Industry Keywords
DoDAcquisitionProgram ManagementStakeholder EngagementProcurement Documents

About the role

Key responsibilities & impact
  • Join the Sentinel Systems Engineering & Integration (SE&I) Team
  • Translate primary Statement of Work requirements into the Master Subcontractor Statement of Work Template
  • Drive creation of Subcontractor Statements of Work
  • Apply systems engineering rigor, traceability, and architectural context
  • Craft clear, verifiable MSSOWTs aligned with overall program objectives
  • Foster diverse and inclusive teams with high engagement
  • Mentor and coach team members
  • Provide critical, actionable feedback on system designs
  • Give regular status updates to program leadership
  • Resolve issues and provide technical support
  • Work with internal and external customers to meet program expectations

Requirements

What you’ll need
  • Bachelor’s degree in a STEM field required for both levels
  • Principal Systems Engineer: 5 years of experience, or Master’s degree with 3 years of experience, or PhD with 1 year of experience
  • Sr Principal Systems Engineer: 8 years of experience, or Master’s degree with 6 years of experience, or PhD with 4 years of experience
  • Must be a US Citizen
  • Active DoD Secret Clearance with an investigation date within the last 6 years
  • Experience in Systems Engineering principles, including acquisition and MBSE
  • Proficient in Microsoft Word, Excel, and PowerPoint
  • Proficient in DOORS, including Change Proposals, Jira, and Confluence
  • Experience resolving issues and providing technical support
  • Capable of working with minimal direction and in team environments
  • Experience working with internal customers outside of your own group
  • Familiarity with SDRL and DID structures
  • Familiarity with compliance documentation
  • Experience with Agile
  • Preferred: experience working with external customers to meet program expectations
  • Preferred: experience using DXL
  • Preferred: Teamcenter/CPLM experience
  • Preferred: experience with PrOP writing or governance
  • Preferred: direct involvement in drafting or reviewing statements of work, contracts, or procurement documents

Benefits

Comp & perks
  • Relocation assistance may be available
  • Overtime eligibility may apply
  • Shift differential may apply
  • Discretionary bonus eligibility
  • Long Term Incentives may be available for Vice President or Director positions
  • Health insurance coverage
  • Life and disability insurance
  • Savings plan
  • Company paid holidays
  • Paid time off (PTO) for vacation or personal business