Sr. Principal Systems Test Engineer

Northrop Grumman Northrop Grumman · Aerospace · Palmdale, CA +1 · Systems/Architecture/Test

Northrop Grumman is seeking a Sr. Principal Systems Test Engineer to join their Test and Evaluation organization in Palmdale, CA. This role involves leading a team of junior engineers, serving as a subject matter expert for aircraft systems, and ensuring testing is executed safely and efficiently. Responsibilities include test development, coordination, readiness reviews, execution support, post-test analysis, and troubleshooting. The position requires proficiency across electrical, RF, mechanical, hydraulic, and pneumatic disciplines, with a Bachelor's degree in STEM and at least 8 years of experience. A Secret clearance is required.

What you'd actually do

  1. Serve as the subject matter expert for aircraft systems, ensuring testing is executed safely, efficiently, and to the highest technical standards.
  2. Bridge the gap between systems engineers and the production execution team, guiding the test lifecycle from initial planning through final data evaluation.
  3. As a lead, you will manage a small team of junior engineers and establish a structured mentorship and knowledge-sharing cadence.
  4. Test Development: Contribute to the creation of acceptance test plans (ATP), test schedules, and detailed integration test procedures.
  5. Readiness & Execution: Lead Test Readiness Reviews (TRR) prior to execution. Provide real-time support during testing, making critical decisions regarding safety and effectiveness.

Skills

Required

  • Bachelor’s in Science, Technology, Engineering or Math (STEM Degree)
  • Minimum of 8 years of related experience with a BS Degree or 6 Years with MS Degree or 4 years with a Ph.D. in STEM
  • Experience in a system test environment
  • Must have an active U.S. government Secret or higher clearance
  • Proficiency with Mechanical or Electrical or Electromechanical Engineering concepts.
  • Must be able to work multiple shifts depending on program need and have ability and willingness to work non-standard shifts/overtime.
  • Proficient with MS Office applications including Excel, Word, and/or Power Point.

Nice to have

  • Current Program SAP Access
  • Active U.S. government Top Secret clearance
  • Demonstrated expertise in test planning, execution, and troubleshooting for production and flight tests, including the development of clear, structured ATPs and detailed technical reports
  • Experienced user in Visio, AutoCAD or CATIA or NX
  • Solid understanding of electrical, RF and microwave fundamentals
  • Ability to perform root-cause analysis and troubleshoot complex hardware/software issues down to the component level.

What the JD emphasized

  • Secret or higher clearance
  • Secret clearance
  • Secret