Principal Systems Engineer – Senior Principal Systems Engineer

Northrop Grumman

. Conduct research, write requirements, develop models, define interfaces, and perform analysis within an Integrated Product Team (IPT) structure .

Posted 9/21/2026full-timeUnited StatesSenior💰 $93,300 - $171,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Systems Engineering, including requirements development, verification, and validation, while effectively leading cross-functional teams and managing stakeholder communications. Proficient in utilizing tools like DOORS for requirements management and Agile methodologies for project execution.

Highest-signal resume keywords

Systems EngineeringRequirements DevelopmentDOORS ExperienceAgile ExecutionTechnical Team Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Requirements ManagementVerification/Validation PlanningInterface DefinitionPython ScriptingHW/SW Integration TestingContinuous Integration/Continuous DeploymentRisk & Opportunity ManagementCameo ExperienceEVMS Control ManagementRequirement Decomposition

Soft Skills

Stakeholder CommunicationCollaborationAnalytical ThinkingInfluencing SkillsChange Management

Tools & Technologies

DOORSCameoAgile MethodologiesConfiguration Management ProceduresSystems Engineering Artifacts

Certifications & Qualifications

DoD Secret ClearanceSpecial Access Program Clearance

Industry Keywords

Integrated Product TeamModernization EffortsSustainment EffortsTechnical CapabilitiesAircraft Development

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Conduct research, write requirements, develop models, define interfaces, and perform analysis within an Integrated Product Team (IPT) structure
Drive development of new program requirements and refine existing program requirements
Influence the pursuit of future technologies and capabilities
Collaborate across engineering disciplines and technology areas to integrate and communicate technical capabilities and analyses
Support multiple simultaneous Modernization and Sustainment efforts
Perform requirements development, allocation, verification/validation planning, and interface definition
Lead major milestone events to ensure program requirements are met or mitigated
Write complex specifications, interface control documents, and engineering reports
Support communication with program, functional, and subsystem leads
Maintain Systems Engineering artifacts using configuration management procedures
Coordinate with stakeholders to verify and validate Systems Engineering artifacts
Synthesize stakeholder and team input and communicate findings and recommendations to technical and non-technical audiences
Adhere to the IPT Statement of Work (SOW) and perform change management with program leadership
Manage stakeholder communications and Systems Engineering information processes

Requirements

What you’ll need

Principal Systems Engineer 3: Bachelor’s degree in a STEM discipline and 5 years of related professional/military experience in Systems Engineering, or a Master’s degree in a STEM discipline and 3 years of related professional/military experience, or a Ph.D. in a STEM discipline and 0 years of related professional/military experience
Senior Principal Systems Engineer 4: Bachelor’s degree in a STEM discipline and 8 years of related professional/military experience in Systems Engineering, or a Master’s degree in a STEM discipline and 6 years of related professional/military experience, or a Ph.D. in a STEM discipline and 4 years of related professional/military experience
Ability to obtain and maintain DoD Secret or higher clearance
Ability to obtain and maintain Special Access Program (SAP) clearance
Experience in requirements and verification management in DOORS
Experience with requirement decomposition and traceability from System to Unit/Supplier Specifications
Experience leading a technical team
Experience supporting major milestone events
Preferred: Active DoD Secret or higher clearance with a background investigation completed within the last 6 years or currently enrolled into Continuous Evaluation
Preferred: Active Special Access Program (SAP) clearance
Experience managing suppliers with technical requirements and verification expectations
Experience with Agile execution and leading Scrum teams
Experience with Python or other scripting language
Understanding of Interface Control artifacts and requirements
Experience with software development
Experience with HW/SW integration testing
Experience managing EVMS Control Accounts as a Control Account Manager (CAM)
Experience in Cameo and traceability between architecture elements and requirements
Preferred: Current B-2 Special Access Program (SAP) clearance
Experience with Continuous Integration/Continuous Deployment software development for Aircraft Sustainment efforts
Experience with the full lifecycle of aircraft development, build, and operations
Risk & Opportunity Management and change control experience
Experience leading cross-functional technical teams
U.S. Citizenship is required for positions with a government clearance and certain other restricted positions

Benefits

Comp & perks

Relocation assistance may be available
9/80 work schedule with every other Friday off
Phenomenal learning opportunities
Friendly team environment
Overtime may be available
Shift differential may be available
Discretionary bonus may be available
Health insurance coverage
Life and disability insurance
Savings plan
Company-paid holidays
Paid time off (PTO) for vacation and/or personal business