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Northrop Grumman Principal/Senior Principal Simulation Software Engineer--Top Secret Clearance in Dulles, Virginia

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 Tactical Space Systems is seeking a Top Secret cleared candidate for a Principal or Senior Principal Simulation Software Engineering role (depending on years of experience) to work on large commercial and non-commercial space programs. Studies in computer hardware and software engineering expected. As part of the simulation software team, the candidate will develop software and define hardware to implement closed loop simulation for avionics flight computers on Space Vehicle (SV) testbeds. The candidate will select hardware cards to simulate SV component data and control interfaces, define testbed harness simulation connections to avionics units, develop software models and interfaces simulating SV components, and test and integrate the completed simulation testbed with the avionics units and flight software executing closed loop scenarios. The candidate will work as part of a program team of simulation, flight software, avionics hardware, and systems engineers. The candidate will also develop specialized test equipment for SV subsystem testing and simulation.

Prior work in an engineering organization and the ability to learn and excel as part of a simulation software development team is beneficial. Programming experience with C/C++ and the ability to debug simulation hardware and software for avionics integration and test environments using common lab equipment is preferred. Excellent writing, reading and speaking skills are expected as the candidate will be involved in the entire software development, test and operations lifecycle. Familiarity with typical spacecraft avionics communication standards and basic electrical engineering practices is beneficial.

The ability to work in a small team setting and effectively communicate with other engineering teams is essential.

Experience with Agile and DevSecOps a plus.


· Design, develop and maintain software applications using C, C+ · Design software simulation models from component interface control drawings, specs, and schematics

· Develop and direct software system testing procedures, programming and documentation

· System level design and debug of digital/analog/serial/power hardware interfaces

· Integrate and debug simulation hardware and software with testbed or unit under test

· Perform other duties as assigned or required


Basic Qualifications:

Senior Principal will require a minimum of 9 years of experience in the industry within a coding environment and a Principal will require a minimum of 5 years of experience in the coding environment, in addition to the required experience listed below:

  • B.S. Degree in Aerospace, Electrical, Software or Computer Engineering or Physics is required

  • Experience in physics-based software modeling in aerospace environments.

  • C/C++programming experience

  • Ability to debug simulation hardware and software for avionics integration and test

  • An active Top Secret clearance is required

Preferred Qualifications:

  • Experience with Agile and DevSecOps is preferred

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