> Markdown version of [/jobs/ext/4026875-principal-cyber-software-engineer-sr-principal-cyber-software](https://www.wearedevelopers.com/jobs/ext/4026875-principal-cyber-software-engineer-sr-principal-cyber-software). 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). --- # Principal Cyber Software Engineer / Sr. Principal Cyber Software - **Company:** Northrop Grumman - **Location:** Chantilly, VA, United States - **Experience:** Expert - **Salary:** $125,300.0 - $187,900.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Microsoft Azure, Human-Computer Interaction, Security Software, TypeScript, AngularJS, Front End Software Development - **Published:** October 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9276807/principal-cyber-software-engineer-sr-principal-cyber-software ## About the Role * Candidate must currently have an active TS/SCI with Polygraph security clearance to be considered. The security clearance eligibility must be in place by the start date and must stay in place through employment. * Bachelor's degree with 5 years of relevant experience, a Master's degree with 3 years of relevant experience, a PhD with 1 year of relevant experience, or 9 years of relevant experience in lieu of a degree. * Demonstrated experience in front-end web development utilizing TypeScript and the Angular Framework to build robust, scalable applications. * Strong familiarity and hands-on experience working within Agile development environments. * Proven ability to organize, prioritize, and self-manage multiple complex project tasks simultaneously. * Experience collaborating with stakeholders to iteratively define requirements and successfully translate them into actionable user stories. * Strong analytical skills to troubleshoot, perform root-cause analysis, and resolve complex client-side software defects and user interface issues. Basic Qualifications for a Sr. Principal Cyber Software Engineer: * Candidate must currently have an active TS/SCI with Polygraph security clearance to be considered. The security clearance eligibility must be in place by the start date and must stay in place through employment. * Bachelor's degree with 8 years of relevant experience, a Master's degree with 6 years of relevant experience, a PhD with 4 years of relevant experience, or 12 years of relevant experience in lieu of a degree. * Demonstrated experience in front-end web development utilizing TypeScript and the Angular Framework to build robust, scalable applications. * Strong familiarity and hands-on experience working within Agile development environments. * Proven ability to organize, prioritize, and self-manage multiple complex project tasks simultaneously. * Experience collaborating with stakeholders to iteratively define requirements and successfully translate them into actionable user stories. * Strong analytical skills to troubleshoot, perform root-cause analysis, and resolve complex client-side software defects and user interface issues. Preferred Qualifications for both levels: * Hands-on experience with Azure DevOps and configuring CI/CD pipelines. * Self-starter with a proven ability to master new technologies independently and provide technical leadership on assigned development projects. ## Description * Collaborate within a team of software engineers to design, develop, and deploy new enterprise systems while providing continued Operations and Maintenance (O&M) support for existing applications. * Develop, maintain, and optimize complex web applications leveraging Angular framework to deliver high-performance user experiences. * Support the architectural design, system implementation, and scaling of applicable technologies to successfully complete critical mission requirements.