> Markdown version of [/jobs/ext/1990978-sentinel-engineer-principal-software-engineer-19235](https://www.wearedevelopers.com/jobs/ext/1990978-sentinel-engineer-principal-software-engineer-19235). 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). --- # Sentinel Engineer/ Principal Software Engineer - 19235 - **Company:** Northrop Grumman - **Location:** Roy, UT, United States - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Automation of Tests, Scrum Methodology, Systems Development Life Cycle, SAP (Applications), Software Construction, Software Engineering, Systems Architecture, Software Verification, ReactJS, Atlassian Tools - **Published:** August 8, 2026 - **Apply:** https://us.experteer.com/career/view-jobs/sentinel-engineer-principal-software-engineer-19235-roy-ut-usa-58846917 ## About the Role DoD Secret clearance and ability to obtain Special Program Access (SAP) * Experience with Agile and working in a cross-functional Scrum team * Experience with the Atlassian Tool Suite including Jira and Confluence * Experience developing React applications and Jest testing framework * Experience with Software Development Lifecycle (SDLC) and Software Development Plans * Familiar with Software Engineering best practices Key requirements * Medical, Dental & Vision coverage * 401k * Educational Assistance * Life Insurance * Paid Time Off * Employee Discounts ## Description Experteer Overview In this role you will design and develop software for the Sentinel program within the Digital Ecosystem EMAS organization. You will work in an agile team to define architecture, implement features, and build automated tests, contributing to mission-critical defense systems. You will collaborate with engineers to create automated tools and formal test plans, delivering reliable software products. This is a hands-on, cross-functional role with opportunities to lead in a dynamic, innovation-driven environment. Compensation / Benefits * Design and define system architecture for new or existing software products * Develop software in an agile development environment * Design automated test procedures for software verification activities * Collaborate with the lead software engineer and a team of software engineers to establish and develop automated tools * Develop Software Test Plans and Procedures for team software products Tasks * U.S. Citizen with ability to obtain DoD Secret clearance and ability to obtain Special Program Access (SAP) * Experience with Agile and working in a cross-functional Scrum team * Experience with the Atlassian Tool Suite including Jira and Confluence * Experience developing React applications and Jest testing framework * Experience with Software Development Lifecycle (SDLC) and Software Development Plans * Familiar with Software Engineering best practices Key requirements * Medical, Dental & Vision coverage * 401k * Educational Assistance * Life Insurance * Paid Time Off * Employee Discounts ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [ShapeShift: Reinventing Agile for a B2B SaaS Scale-Up](https://www.wearedevelopers.com/videos/1655-shapeshift-reinventing-agile-for-a-b2b-saas-scale-up) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [The Future of Developer Experience with GenAI: Driving Engineering Excellence](https://www.wearedevelopers.com/videos/1107-the-future-of-developer-experience-with-genai-driving-engineering-excellence) - [From Punch Cards to AI-assisted Development](https://www.wearedevelopers.com/videos/611-from-punch-cards-to-ai-assisted-development) - [The AI-Fluent Team: A Playbook for Driving Enterprise AI Transformation](https://www.wearedevelopers.com/videos/100068-the-ai-fluent-team-a-playbook-for-driving-enterprise-ai-transformation) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Attend a Developer Event in 2026?](https://www.wearedevelopers.com/magazine/688-why-attend-a-developer-event-in-2026)