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Principal Engineer Systems - AHT

Northrop GrummanHuntsville, ALPosted Oct 7, 2026 · open 19 days

Last confirmed open Oct 26, 2026

Full-timeSeniorSecret$109K - $163K

Before you apply

U.S. citizenship required
Only U.S. citizens can be hired for this role.
Secret clearance
An active clearance is required to start.
Bachelor's degree
The lowest degree the posting accepts.
Travel up to 10%
The share of time spent travelling, as the posting states it.
Relocation assistance may be available
The posting mentions relocation assistance; confirm the terms with the employer.

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the Time

Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Job Description:

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

​Northrop Grumman Defense Systems (NGDS) is seeking Principal Systems to join our team. The preferred candidate will be responsible for developing, analyzing, and managing systems requirements throughout the engineering lifecycle. Applying Model-Based Systems Engineering (MBSE) practices to develop and maintain system architectures and models. Performing functional analysis, requirements allocation, interface definition, and system-level trade studies. Translating customer and program requirements into system specifications and technical solutions. Supporting systems integration, verification, and validation activities. Coordinating with software, hardware, test, and specialty engineering teams to resolve technical issues. Developing and maintaining technical documentation, architecture products, interface definitions, and engineering artifacts. Participating in technical reviews and communicating engineering solutions to program leadership and customers. Providing technical guidance and mentoring to other systems engineers. Supporting IBCS and integrated air and Missile defense (IAMD) capabilities, including the integration of sensors, effectors, command-and-control systems, and associated interfaces.

Basic Qualifications:

  • Principal Engineer Systems (Level 3): 5 years with Bachelors in Science; 3 Years with Masters; 1 Year with PhD
  • Proficiency in Requirements Engineering and MBSE
  • Experience with Cameo or MagicDraw
  • Ability to understand system interface documentation, interconnect diagrams, and military standards
  • Experience with Requirements Impact Assessments, Change Requests, and Engineering Change Proposals
  • Active Secret Security Clearance

Preferred qualifications:

  • IAMD/C2 experience
  • Understanding of weapons, sensors, distributed computing, and command-and-control architecture
  • Understanding how those systems affect requirements and interfaces
  • Systems engineering experience in Agile environments
  • Integrated Battle Command System (IBCS) /Link-16 experience
  • Familiarity with PATRIOT, Sentinel, G/ATOR, or similar weapons sensor systems

Primary Level Salary Range: $108,800.00 - $163,200.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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Job Details
Location
Huntsville, AL
Salary
Primary Level Salary Range: $108,800.00 - $163,200.00
Type
Full-time
Level
Senior
Experience
5+ years
Posted
Oct 7, 2026
Required Skills
Requirements EngineeringModel-Based Systems EngineeringCameoMagicDrawSystem Interface DocumentationInterconnect DiagramsMilitary StandardsRequirements Impact AssessmentsChange RequestsEngineering Change ProposalsFunctional AnalysisRequirements AllocationInterface DefinitionSystem-level Trade StudiesSystems Integration
Preferred Skills
IAMDC2WeaponsSensorsDistributed ComputingCommand-and-control ArchitectureAgileIntegrated Battle Command SystemIBCSLink-16PATRIOTSentinelG/ATOR
Benefits
  • health insurance coverage
  • life and disability insurance
  • savings plan
  • Company paid holidays
  • paid time off (PTO)

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