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Northrop Grumman Logo

Sr. Principal Engineer Software - Simulation

Northrop Grumman

$112,400 - $168,600
Aug 28, 2025
Oklahoma City, OK, USA
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Northrop Grumman is looking for a Sr Principal Simulation Software Engineer to design, develop, integrate and test software for end-user customers and businesses, specifically for use in flight and mission critical systems, to preserve freedom and democracy and advance human discovery and understanding of the universe.

Requirements

  • Experience with the full Software Development Life Cycle (SDLC) - software design requirements, application development, integration, testing, and deployment
  • Experience with at least one of the following programming or scripting languages: C, C++, and Python
  • Experience with two or more of the following tools: Jira, Crucible, Bitbucket, Subversion, Bamboo, Jenkins, Sonarqube, Fortify, or Coverity
  • Strong understanding of C and C++ languages including templates, memory storage, and compiler/linker
  • Experience with or knowledge of Joint Simulation Environment (JSE), Distributed Interactive Simulation (DIS), or High-Level Architecture (HLA)
  • Experience with Full-Motion Flight Training Systems
  • Experience with simulated threat environments such as AFSIM or NGTS

Responsibilities

  • Design, develop, integrate and test software for our end-user customers and businesses
  • Work with multi-disciplinary teams, such as with Systems Engineering, Cloud & Application, Test Automation, DevSecOps and Systems Test, in an Agile software development environment
  • Analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls
  • Participate in the full software development life cycle including requirements, design, implementation, qualification, and delivery of software products to our customers
  • Architect and develop applications in a simulated training environment
  • Be a part of Agile Scrum teams to develop software products for multiple software baselines
  • Collaborate with systems engineers, hardware designers and integration/test engineers to develop and maintain complex software systems

Other

  • Must have an active DoD Secret or higher clearance
  • Must have the ability to obtain and maintain Special Access Program (SAP) clearance prior to the commencement of employment
  • Bachelor's degree in a STEM discipline (Science, Technology, Engineering or Math) with 8 years of related engineering experience; OR a Master’s degree in STEM with 6 years of related engineering experience; OR a PHD in STEM with 4 years of related engineering experience
  • Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management
  • Travel: Yes, 25% of the Time