Northrop Grumman
Northrop GrummanVerified Source

Principal Mechanical Engineer Northrop Grumman

89K–134K
Onsite · Phoenix, Arizona
Posted August 10, 2026
payroll

Overview

Integration and Test Principal Mechanical Engineer leading I&T for space vehicles in Phoenix AZ. This role owns mechanical build and production operations while mentoring engineers and driving test procedures. You will develop work instructions and ensure safety during complex hardware validation. The position requires deep aerospace knowledge and a proven track record in high‑level system development.

What You'll Do11

  • 1Design and execute integration test plans for space flight hardware
  • 2Develop detailed work instructions and test procedures adhering to DOD TS/SCI standards
  • 3Lead a team of engineers providing technical guidance and mentorship
  • 4Analyze test results to verify hardware health and operational readiness
  • 5Maintain a safe productive work environment and address non‑conforming conditions
  • 6Collaborate with cross‑functional groups to ensure compliance with mission requirements
  • 7Implement 5S/FOD and lean manufacturing practices to improve efficiency
  • 8Drive continuous improvement initiatives using Six Sigma principles
  • 9Obtain and retain required DOD TS/SCI and SAP clearances
  • 10Coordinate launch activities and interface with external partners
  • 11Mentor junior staff and foster a culture of innovation and curiosity

Requirements8

  • 1Bachelor’s Degree in STEM with 5+ years of relevant experience and 3 years with a Master’s degree
  • 2Proven experience in aerospace systems integration and test activities
  • 3Active DOD TS/SCI security clearance and ability to maintain it
  • 4Expertise in spacecraft subsystems design and mission operations
  • 5Hands‑on experience with 3‑D modeling tools and regulatory compliance
  • 6Demonstrated leadership of teams and projects in highly regulated environments
  • 7Familiarity with defense sector regulations and quality management systems
  • 8Strong problem‑solving abilities and a proactive approach to challenges

Salary Insight

$89 - $134k per year

Location

Typeonsite
LocationPhoenix, Arizona

Required Skills

3-D modeling toolsSix SigmaLean manufacturing5SFODESDDOD TS/SCI clearanceIntegration and Test (I&T)Mechanical operationsSpacecraft assembly
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