Principal​/Sr. Principal Simulation Software Engineer

Job Summary

Principal Simulation Software Engineer / Sr. Principal Simulation Software Engineer – Level 3 or Level 4 – Oklahoma City, Oklahoma.

Relocation assistance may be available. Clearance required for start:
Secret. Travel:
Yes, 10% of the time.

• Design, develop, integrate, and test simulation software for end‑user customers and business applications.
• Architect and develop embedded mission systems software applications on a real‑time operating system.
• Participate in the full software development life cycle including requirements, design, implementation, qualification, and delivery of software products.
• Collaborate with cross‑disciplinary teams such as Systems Engineering, Cloud & Application, Test Automation, Dev Sec Ops , and Systems Test in an Agile Scrum environment.
• Analyze system capabilities to resolve problems related to program intent, output requirements, input data acquisition, programming techniques, and controls.

• Bachelor’s degree in a STEM discipline and 5 years of related engineering experience; or Master’s degree and 3 years; or PhD and 1 year.
• Experience with the full Software Development Life Cycle (SDLC). Required programming skills: C, C++, or Python.
• Experience with at least two of the following tools:
  Jira, Crucible, Bitbucket, Subversion, Bamboo, Jenkins, Gitlab, Sonarqube, Fortify, or Coverity.
• Active U.S. Government Secret or higher clearance. Ability to obtain and maintain Special Access Program (SAP) clearance prior to employment.

• Bachelor’s degree in a STEM discipline and 8 years of related engineering experience; or Master’s degree and 6 years; or PhD and 4 years.
• Experience with the full Software Development Life Cycle (SDLC). Required programming skills: C, C++, or Python.
• Experience with at least two of the following tools:
  Jira, Crucible, Bitbucket, Subversion, Bamboo, Jenkins, Gitlab, Sonarqube, Fortify, or Coverity.
• Active U.S. Government Secret or higher clearance. Ability to obtain and maintain Special Access Program (SAP) clearance prior to employment.

• Strong understanding of C and C++ languages, including templates, memory storage, and compiler/linker details.
• Experience or knowledge of Joint Simulation Environment (JSE), Distributed Interactive Simulation (DIS), or High‑Level Architecture (HLA).
• Experience with Full‑Motion Flight Training Systems, AFSIM or NGTS simulated threat environments.
• Experience with Infrastructure as Code and configuration management.
• Experience with Continuous Integration/Continuous Deployment concepts and tools such as Gitlab, Bamboo, or Jenkins.
• Excellent communication and interpersonal skills; ability to interface with all levels of employees and management.

• Primary Level Salary Range: $93,300.00 – $.
• Secondary Level Salary Range: $ – $.
• Eligible for overtime, shift differential, discretionary bonus, and long‑term incentives for senior positions.
• Health insurance coverage, life and disability insurance, savings plan, company‑paid holidays, and paid time off for vacation and personal business.

Northrop Grumman is an Equal Opportunity 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. U.S. Citizenship is required for all positions with a government clearance.