Senior Principal Engineer Software - Embedded & Real Time (California & Oklahoma)

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 include, but are not limited to:

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 customer
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 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 SW Development Life Cycle (SDLC)
Experience with the following programming and scripting languages: C, C++, and Python
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 two of the following tools: Jira, Crucible, Bitbucket, Subversion, Bamboo, Jenkins, Sonarqube, Fortify, or Coverity
Experience with Agile SW development, embedded system programming, SWintegration and testing
Familiarity with at least two of the data interfaces: 1553, 1394, 422, 429, Serial, CAN, Discrete & Analog I/O, Ethernet/IP, or Fibre Channel
Recent experience and proficiency in software architecture, design, implementation, integration, and debugging C++ SW running on Real-Time Operating systems such as: VxWorks, Integrity, AND/OR Real Time Embedded Linux.
Active in-Scope, DoD Top Secret clearance.
Ability to obtain and maintain initial Special Program Access (SAP/PAR). This SAP/PAR must be obtained prior to commencement of employment and must be obtained within a reasonable amount of time as determined by the company to meet its business needs. (Of note: SAP/PAR will be upgraded once selected candidate is in role. Therefore, candidate must also be able to obtain and maintain upgraded SAP/PAR.)

Preferred Qualifications:

Current applicable SAP access
Basic understanding of PowerPC or ARM assembly
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
Primary Level Salary Range: $142,200.00 - $213,400.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.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. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Client-provided location(s): San Diego, CA

Job ID: NorthropGrumman-R10219686-2

Employment Type: OTHER

Posted: 2026-01-18T19:37:53