> Markdown version of [/jobs/ext/1727135-sr-principal-engineer-software-embedded-and-real-time](https://www.wearedevelopers.com/jobs/ext/1727135-sr-principal-engineer-software-embedded-and-real-time). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr Principal Engineer Software - Embedded and Real Time - **Company:** Northrop Grumman - **Location:** Palmdale, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Testing (Software), C (Programming Language), Agile Methodology, Systems Engineering, JIRA, Automation of Tests, C++ (Programming Language), Cloud Computing, Static Program Analysis, Computer Programming, Continuous Integration, Software Debugging, Linux on Embedded Systems, Ethernet, Event-Driven Programming, Github, Hardware Interface Design, Python (Programming Language), Scrum Methodology, Software Architecture, Systems Development Life Cycle, Real-Time Operating Systems, Fortify (Software), Powerpc, SAP (Applications), Software Engineering, SonarQube, Subversion, VxWorks, Multithreading, Data Server Interface, Real Time Systems, Gitlab, Atlassian Tools, Bitbucket, Devsecops, Atlassian Bamboo, Jenkins, Programming Languages - **Published:** July 9, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9021230/sr-principal-engineer-software-embedded-and-real-time ## About the Role * 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 * Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management * 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. * Ability to collaborate with systems engineers, hardware designers and integration/test engineers to develop and maintain complex SW systems * Your 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 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 * Strong understanding of the following: o layered SW architectures (e.g. Application, System, Device) o SW hardware interfaces and where they exist in the architecture o Event driven (Interrupts), polling and synchronous SW architectures * Recent 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 #yellow ## Description 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., * 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 ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Are Code Reviews Worth It? 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