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Northrop Grumman GMD Principal/Sr Principal Systems Engineer in Huntsville, Alabama

Embark on a career putting innovative, reliable, and agile products and ideas into orbit, and beyond. Northrop Grumman has opportunities waiting for you that play a vital role in human space exploration, national defense, and scientific discovery, supporting multiple programs across the universe. With us, you'll discover a culture of curiosity and collaboration that will have you Defining Possible from the day you start. Our space systems connect and protect millions of people on earth every day, now and for the future. Explore your future and launch your career today.

Northrop Grumman Space Systems Sector is seeking a talented and motivated mid-career Principal/Sr Principal Systems Engineer or Analyst to join our team in Huntsville, AL.

The qualified applicant will become part of Northrop Grumman's Ground Based Midcourse Defense (GMD) Performance Analysis team. GMD is currently the only deployed strategic system that can defend the United States from long range attack by threat ICBMs. We need a motivated and innovative candidate with experience in missile defense concepts, operations, software programming.

Roles and Responsibilities :

  • The candidate will apply expertise in engineering/physics to perform systems performance analysis on the GMD system and must be able to assess and dig through data to problem solve and understand why the system performs the way it does through an understanding of the data and underlying concepts.

  • Help train and mentor other engineers in conducting performance analysis

  • Use simulations of the GMD system to characterize performance and assess technical performance measures that are derived from simulation output.

  • Present and explain results to other engineering teams and managers in a clear and concise manner. The candidate should have strong technical verbal and written communication skills.

  • Leverage their software programming knowledge to create independent tools to assist in automation and evaluation of results from the various simulations. This includes tools to load the simulation on blade servers, pre-processing tools for quality checks and formatting, and post-processing tools for formatting outputs, plotting results, and analyzing results



Principal Systems Engineer : 5 years of applicable experience in a technical field with a Bachelors' degree; 2 years of experience with Masters. An additional 4 years of experience may be considered in lieu of a degree.

Sr Principal Systems Engineer : 9 years of applicable experience in a technical field with a Bachelors' degree; 7 years of experience with Masters and 4 years with a PHD. An additional 4 years of experience may be considered in lieu of a degree

  • Monte Carlo simulations to produce performance data experience

  • Modeling and/or assessing performance data for a missile defense system or relevant equivalent experience

  • Experience writing software scripts and tools to automate processes such as quality control checks, data formatting, and managing runs on a blade server cluster

  • Current Secret Clearance and U.S. citizenship


  • Bachelor's or Advanced degree in Aerospace Engineering, Electrical Engineering, Mechanical Engineering, or Physics

  • Basic understanding of common missile defense concepts such as system and source tracks, application of radars to tracking, covariance and error, defended area, and the kill chain concept of operations. Also, demonstrated ability to apply these concepts to assess performance of a missile defense system or component.

  • Experience working in a missile defense program (GMD, Aegis BMD, THAAD, etc)

  • Leveraging aerospace concepts to develop software scripts experience Ability to write scripts in Matlab and/or Python

Northrop Grumman is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity/Affirmative Action 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/AA and Pay Transparency statement, please visit U.S. Citizenship is required for most positions.

Job Category : Engineering