Simulation Software Engineer Level 3 or 4

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: 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. We have an opening for a Simulation Software Engineer Level 3 or 4 to join our team of qualified, diverse individuals in the Space Systems organization developing space simulation software for NSS space programs. The individual we seek will be self-motivated, proactive, and goal-oriented. This position will be in Dulles, VA. This work does require a TS/SCI clearance and will primarily be performed in a SCIF environment. In this role you will (based on need): Establish simulation requirements. Plan, organize and be involved in the full software lifecycle to develop spacecraft simulation software using modern tools and software best practices. Develop spacecraft component models from hardware documentation to support modeling and simulation activities across multiple projects. Work with other engineering disciplines to integrate and validate space vehicle models and simulations. Develop new and/or integrate existing system simulation frameworks. Support simulated real-time operations, operational analysis and mission effectiveness analysis. Develop and integrate advanced graphical user interfaces and visualization tools.  Model Thermosphere and Exosphere environments. Performs trade studies via computer simulation and recommend alternative architectures.  Prepare design documentation, analysis, test results and presentation materials for internal and external customers. Work in an innovative environment across diverse assignments and in collaborative team settings across all levels. This position can be hired as a Principal Engineer (level 3) or a Sr. Principal Engineer (level 4) depending on experience. This position will work a 9/80 schedule, with every other Friday off.   This position is 100% onsite and cannot accommodate telecommute work. This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company. This position can be filled as a Principal (level 3) or Sr Principal (level 4) depending on experience and qualifications Basic Qualifications (Principal Simulation Software Engineer): Bachelor’s degree and 5 years of experience, Master's degree and 3 years of experience, or PhD in Software/Electrical/Computer/Aerospace Engineering, Computer Science, Physics or closely related field. Requires an active U.S. Government Top-Secret [TS] security clearance and Sensitive Compartmented Information (SCI)[TS/SCI] at time of application, current and within scope. [US citizenship required] Advanced programming proficiency with: C/C++, Python. Advanced programming proficiency with Matlab/Simulink, Windows/Linux scripting. Solid communication and teamwork skills. Understanding of waterfall, spiral and/or Agile software development processes and continuous development / continuous integration practices. Ability to use software revision control tools such as Subversion and/or Git. Ability to clearly document technical and programmatic status to management.

(Sr. Principal