Senior Principal Software Engineer

Sr Principal Embedded & Real Time Software EngineerAt 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 is looking to add Sr Principal Embedded & Real Time Software Engineer to join our team of qualified, diverse individuals within our Software organization. This position will be supported on site in San Diego, CA, El Segundo, CA or Palmdale, CA.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 levelsParticipate in the full SW development life cycle including requirements, design, implementation, qualification, and delivery of SW products to our customersOperate in an embedded technology development environment working with real time operating systems for use in flight and mission critical systemsWork in Agile Scrum teams to develop SW products for multiple SW baselinesBasic 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 PythonExperience 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 SWExperience with two of the following tools: Jira, Crucible, Bitbucket, Subversion, Bamboo, Jenkins, Sonarqube, Fortify, or CoverityExperience with Agile SW development, embedded system programming, SWintegration and testingFamiliarity with at least two of the data interfaces: 1553, 1394, 422, 429, Serial, CAN, Discrete & Analog I/O, Ethernet/IP, or Fibre ChannelExcellent communication, interpersonal skills, and the ability to interface with all levels of employees and managementRecent 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.Ability to collaborate with systems engineers, hardware designers and integration/test engineers to develop and maintain complex SW systemsYour ability to transfer and maintain the final adjudicated U.S. government Top Secret clearance (must be in-scope or enrolled in Continuous Evaluation) and any program access(es) required for the position within a reasonable period of time, as determined by the Company.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 accessBasic understanding of PowerPC or ARM assemblyAble to read assembly and use CPU documentation to understand behaviorsCan identify moderate execution defects by only reading codeUnderstanding of how their embedded SW component will fit into a larger SW system / architectureAble to document, capture, and present software architectural components in modeling or diagramming toolsFamiliarity with OS partitions and isolation architecturesHigh level understanding of architectural requirements for airworthiness certificationsStrong understanding of the following:o layered SW architectures (e.g. Application, System, Device)o SW hardware interfaces and where they exist in the architectureo Event driven (Interrupts), polling and synchronous SW architecturesRecent experience and proficiency with SW change control, change management, static analysis, and CI/CD tools such as: Atlassian tool suite, Jira, GitHub, GitLab, SonarQube, Coverity, AND/OR Jenkins within the last three years.Experience with Static & Dynamic Code Analysis