> Markdown version of [/jobs/ext/2297558-sr-principal-software-engineer-java](https://www.wearedevelopers.com/jobs/ext/2297558-sr-principal-software-engineer-java). 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 Software Engineer - Java - **Company:** Northrop Grumman - **Location:** San Diego, CA, United States - **Experience:** Expert - **Salary:** $142,200.0 - $213,400.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), XML Schema, Agile Methodology, CompTIA Security+, Computer Engineering, Software Design Patterns, Java Platform Enterprise Edition (J2EE), Graphical User Interface, Integrated Development Environments, Java Message Service (JMS), Knockout.js, Object-Oriented Software Development, Ansible, SAP (Applications), Service-Oriented Architecture, Software Engineering, Web Services, Extensible Markup Language (XML), XPath, Extensible Stylesheet Language Transformations (XSLT), Java Application Server, Kubernetes, Information Technology, Web Technologies, Cucumber (Software), Docker, Microservices - **Published:** August 29, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9126834/sr-principal-software-engineer-java ## 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 3 year of related engineering experience. * Direct experience developing Java applications * 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. Preferred Qualifications: * Current applicable Special Access Program (SAP) clearance. * Bachelor's degree in Computer Engineering, Computer Science, or Electrical Engineering * Experience in developing enterprise solutions for Java Enterprise Edition (JEE) in a SOA environment * Experience with Kubernetes, Docker, Ansible, Cucumber, microservices, Security+, Agile development, GUI applications, threading, object oriented programming, design patterns, JMS, and web technologies including Knockout, Web Services, XML and related technologies (i.e., XPath, XSLT, XSD) * Excellent communication, interpersonal skills, and the ability to interface with all levels of employees and management ## Description The candidate should be a self-starter with familiarity working in an Integrated Product Team construct. The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative team settings across all levels. Candidate must be comfortable in a lab environment and be able to collaborate closely with system engineers, hardware designers, and integration/test engineers. Roles and Responsibilities will include: * Work with a team of developers and integrators focused on delivering software products as part of an IFC. * Participate in the software development cycle including design, implementation and delivery of build/test/release. * Work with object oriented programming, design patterns, JMS, Web Services, XML and related technologies (i.e., XPath, XSLT, XSD) * Develop enterprise solutions for Java Enterprise Edition (JEE) in a SOA environment * Work in a process-oriented software development environment across the software lifecycle * Collaborate with team members on a regular basis. The selected candidate will be required to work full-time, on-site at our facility. There is no remote / hybrid / telework available for this position. Travel up to 25% may be required. ## Related Videos - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Scrape, Train, Predict: The Lifecycle of Data for AI Applications](https://www.wearedevelopers.com/videos/1652-scrape-train-predict-the-lifecycle-of-data-for-ai-applications) - [Dev & Test in the Cloud? Deploy your cloud environments with Ansible & Terraform](https://www.wearedevelopers.com/videos/1607-dev-test-in-the-cloud-deploy-your-cloud-environments-with-ansible-terraform) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Are Classical Automation Frameworks Dead? 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