Embedded & Real Time Sr. Principal Software Engineer
- Location:
- San Diego, California, United States of America
About Northrop Grumman

Northrop Grumman solves the toughest problems in space, aeronautics, defense and cyberspace to meet the ever-evolving needs of our customers worldwide. Our 90,000 employees are Defining Possible every day using science, technology and engineering to create and deliver advanced systems, products and services. Northrop Grumman careers and internships are as varied as your interests, with a lifetime of potential that will allow you to work together with people from many backgrounds, personal passions and disciplines.
Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.
Northrop Grumman Aeronautics Systems has an opening for an Embedded & Real Time Sr. Principal Software Engineer to join our team of qualified, diverse individuals within our Software organization. This role is in Rancho Bernardo, CA and will be primarily based within our office spaces to support program and business needs. Operating on our 9/80 schedule meaning you will get every other Friday off. The position may have some Hybrid work available.
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, development, and administration of embedded and real time systems. You will work with multi-disciplinary teams, such as with Systems Engineering, Test Automation, DevSecOps and Systems Test, in an Agile software development environment.
Essential Functions:
Work independently in a fast-paced environment with high expectations, significantly diverse assignments, and 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.
Operate in an embedded technology development environment working with real time operating systems for use in flight and mission critical systems.
Work in Agile Scrum teams to develop software products for multiple software baselines.
Basic Qualifications:
Bachelor’s Degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 8 Years experience; OR a master’s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 6 Years experience; OR a PhD in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 4 Years experience
Ability to obtain and maintain a Department of Defense (DoD) Secret clearance and Special Program Access.
Experience managing the Software Requirements process and their Verification and Validation.
Experienced with C++ and Python.
Experience with Object Oriented Analysis and Design (OOAD).
Experience with developing software used for one of the following real-time applications: flight critical software, Safety critical software, medical software, or mission critical software.
Preferred Qualifications:
Experience with CoreVMS and RTCF.
Experience with three of the following tools: Jira, Crucible, Bitbucket, Subversion, Bamboo, Jenkins, SonarQube, Fortify, or Coverity.
Experience with multiple serial bus data interfaces (including UDP/IP over Ethernet), communicating and managing the health of external devices.
Experience with one of the following real time operating systems: Wind River VxWorks, Green Hills Integrity, or Realtime Linux.
Experience with Agile software development, embedded system programming, software integration and testing.
Experience with the airworthiness process.
Able to design new software applications in a layered software architecture.
Experience with the full Software Development Life Cycle (SDLC).
Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management.
Strong understanding of PowerPC or ARM assembly language.
Able to performs maintenance on software architectures.
Can identify moderate execution defects by only reading code.
Knowledge on how to perform maintenance on OS partition and isolation architectures.
Experience with leading a medium size (6-10) technical team with technical decision making.
Active Secret DoD Clearance with the ability to obtain and maintain a Top-Secret Clearance.