Principal / Sr. Principal Simulation Software Engineer

0090 CORP-Corporate Office; Oklahoma; On-site; USD 93,300 - 139,900; Full time

Benefits offered by this job

Health insurance coverage

Paid time off

Discretionary bonus

Job summary

0090 CORP-Corporate Office is seeking a Principal Simulation Software Engineer/Sr. Principal Simulation Software Engineer in Oklahoma City, Oklahoma. This role involves designing, developing, and testing simulation software within an Agile framework.

The ideal candidate should possess strong programming skills in C, C++, or Python, with a Bachelor's degree in a STEM discipline and relevant experience. Benefits include health insurance, paid time off, and a competitive salary.

Qualifications

• 5+ years of engineering experience required for Level 3; 8+ years for Level 4.
• Experience with the full Software Development Life Cycle (SDLC).
• Active U.S. Government Secret or higher clearance required.

Responsibilities

• Develop and integrate simulation software for users.
• Collaborate with diverse teams in an Agile environment.
• Analyze system capabilities to address programming issues.

Skills

C

C++

Python

Agile methodologies

Jira

Continuous Integration/Continuous Deployment

Communication skills

Education

Bachelor's degree in a STEM discipline

Master's degree in a STEM discipline

PhD in a STEM discipline

Tools

Jira

Bitbucket

Gitlab

Jenkins

Subversion

Sonarqube

Job description

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.

Responsibilities

• 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, DevSecOps, 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.

Level 3 – Principal Software Engineer

• 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.

Level 4 – Sr. Principal Software Engineer

• 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.

Preferred Qualifications (Level 3 & 4)

• 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.

Compensation & Benefits

• Primary Level Salary Range: $93,300.00 – $139,900.00.
• Secondary Level Salary Range: $116,300.00 – $174,500.00.
• 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.

Equal Opportunity Employment

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.