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Principal​/Sr. Principal Simulation Software Engineer

Job in Oklahoma City, Oklahoma County, Oklahoma, 73113, USA
Listing for: Northrop Grumman
Full Time position
Listed on 2026-06-07
Job specializations:
  • Software Development
    Software Engineer, DevOps
Job Description & How to Apply Below
Position: Principal / Sr. Principal Simulation Software Engineer
RELOCATION ASSISTANCE:
Relocation assistance may be available

CLEARANCE REQUIRED FOR START:
Yes

CLEARANCE TYPE:
Secret

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.

Northrop Grumman Aeronautics Systems has an opening for a Principal Simulation Software Engineer / Sr. Principal Simulation Software Engineer   to join our team of qualified, diverse individuals within our Software organization in Oklahoma City, Oklahoma.

Accomplish:

In this role you will design, develop, integrate and test software for our end-user customers and businesses. Specifically, you will be responsible for the design, architecture, application development, and flight simulation. You will work with multi-disciplinary teams, such as with Systems Engineering, Cloud & Application, Test Automation, Dev Sec Ops  and Systems Test, in an Agile software development environment. Our simulation software is critical to the current and future company projects.

You will analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls.

Essential Functions:

* Work in an innovative environment, on significantly diverse assignments, and in collaborative team settings across all levels

* Participate in the full software development life cycle including requirements, design, implementation, qualification, and delivery of software products to our customers

* Architect and develop embedded mission systems software applications on a real time operating system

* Be a part of Agile Scrum teams to develop software products for multiple software baselines

* This requisition may be filled at either a Principal Software Engineer level 3 or a Sr. Principal Software Engineer level 4

Basic Qualifications for a Principal Software Engineer (level
3):

* Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master's degree in a STEM discipline and 3 years of related engineering experience; OR a PhD in a STEM discipline and 1 years of related engineering experience.

* 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, Gitlab, Sonarqube, Fortify, or Coverity

* Must have an active U.S. Government Secret or higher clearance.

* Must have the ability to obtain and maintain Special Access Program (SAP) clearance prior to the commencement of employment.

Basic Qualifications for a Sr. Principal Software Engineer (level
4):

* Bachelor's Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR a Master's degree in a STEM discipline and 6 years of related engineering experience; OR a PhD in a STEM discipline and 4 years of related engineering experience.

* 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:
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