Northrop Grumman Aeronautics Systems is looking to add a Principal Software Engineer - Development to join our team of qualified, diverse individuals within our Software organization. This position is located on site in San Diego, California.
In this role you will design, develop, integrate and test software (SW) for our end-user customers and businesses. You will be responsible for the design, architecture, development, and administration of embedded and real time systems. You will work with multi-disciplinary teams, such as Systems Engineering, Cloud & Application, Test Automation, DevSecOps and Systems Test, in an Agile SW development environment. You will analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls.
Duties and Responsibilities:
Work in a fast-paced environment with high expectations, significantly diverse assignments, and collaborative team settings across all levels
Participate in the full SW development life cycle including requirements, design, implementation, qualification, and delivery of SW 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 SW products for multiple SW baselines
Basic Qualifications:
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 year of related engineering experience.
Experience with the full SW Development Life Cycle (SDLC)
Experience with the following programming and scripting languages: C, C++, and Python
Experience developing software for Real-Time Operating Systems (RTOS)
Experience with developing multi-threaded SW used for one of the following real-time applications: flight critical SW, Safety critical SW, medical SW, or mission critical SW
Experience with one of the following tools: Jira, GitLab, Fortify, or Coverity
Experience with Agile SW development, embedded system programming, SW integration and testing
Active US Secret Clearance issued by the U.S. Government
Preferred Qualifications:
Familiarity with at least two of the data interfaces: 1553, RS-232, RS-422, ARINC-429, Serial, Discrete, or Ethernet/IP
Familiarity with a Unit Test framework such as Google Unit Test
Familiarity with Matlab, Simulink, or similar platforms
Recent experience and proficiency in software architecture, design, implementation, integration, and debugging C++ SW running on Real-Time Operating systems such as: VxWorks, Integrity, RTX 64, AND/OR Real Time Embedded Linux.
Able to read assembly and use CPU documentation to understand behaviors
Can identify moderate execution defects by only reading code
Understanding of how their embedded SW component will fit into a larger SW system / architecture
Able to document, capture, and present software architectural components in modeling or diagramming tools
Familiarity with OS partitions and isolation architectures
High level understanding of architectural requirements for airworthiness certifications
Work for Warriors is a no-cost employment program of the California Military Department for Service Members, Veterans, and military family members. The Veteran Staffing Consultant for Northrop Grumman is Chuck Callahan.

Northrop Grumman is a leading global security company providing innovative systems, products and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide.
Northrop Grumman is a premier provider of autonomous systems on land, at sea, in the air, and in space. These unmanned aircraft, satellites and space systems, and advanced technologies are critical to our national security. Autonomous systems operate in areas and environments where manned vehicles cannot, allowing for prolonged missions, and helping reduce risk to human lives. More >>
Northrop Grumman has been battling cyber threats for more than 30 years and, through aggressive technology investments in key research areas such as identity management, situational awareness, modeling and simulation, cloud security, and supply chain, has a deep understanding of the breadth and complexity of cyber. It is embedded in everything we do. More >>
Northrop Grumman is a leading provider of C4ISR systems that are the backbone of operations and of decision making. Our systems provide situational awareness from planning to execution. We deliver analysis systems through to advanced communications payloads and integrated solutions that support the U.S. and allied forces across the globe. More >>
For more than 60 years, Northrop Grumman has been pioneering the innovative systems that defined the future of space. Our survivable and rapidly reconfigurable systems give our partners the critical support they need for mission assurance. From advanced threat detection to secure communications, we're building the technology that will win the future of space. More >>
As a leader in integrated strike systems, Northrop Grumman brings world-class capabilities in system design, systems engineering, manufacturing, and sustainment. The ability to project power, strategically, anywhere in the world is an essential tenet of the U.S. military. Our platforms like the B-2 Spirit stealth bomber and the bomber for the future, the B-21 Raider, provide a powerful projection of force. More >>
Northrop Grumman is a leading provider of logistics solutions supporting the full lifecycle of platforms and systems for global defense and federal-civil customers, delivering innovative, technology-driven solutions and services to enable cost-effective improvements for customer mission effectiveness. More >>

With approximately 85,000 employees in all 50 states and in more than 25 countries, we strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs and services in the world.
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Our story is the successful integration of nearly 20 marquee companies, developing groundbreaking innovations – such as the Flying Wing and the B-2 Spirit stealth bomber – while also achieving numerous historic accomplishments – from transporting Charles Lindbergh across the Atlantic to carrying astronauts to the moon's surface and back. Making history is what we do.
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