Principal/Sr. Principal SW UI/UX Design Engineer

This role will be a critical member of the Software team that will be responsible for focusing on designing, developing, and maintaining user interface (UI) and user experience (UX) systems, particularly for server-based applications.

• Active Secret clearance at the time of application.
• Principal/Level 3: Bachelor's degree with 5 + years of relevant experience; 3 years with a Master's; 0 years with a PhD
• Sr. Principal/Level 4: Bachelor's degree with 8 + years of relevant experience; 6 years with a Master's; 4 years with a PhD
• JavaScript / TypeScript
• Hands-on experience with front-end frameworks:
• React (preferred), Angular, or Vue
• Experience integrating UI with backend services:
• REST APIs
• GraphQL (queries, mutations, schema awareness)
• Ability to translate designs into production-quality code
• Experience managing state (Redux, Zustand, Context API, etc.)
• Familiarity with component-based architecture and reusable UI patterns
• Strong portfolio demonstrating end-to-end design process (research * wireframes * prototypes * production)
• Lunacy, Figma, Sketch, Adobe XD
• Wireframes and user flows
• High-fidelity mockups
• Strong understanding of human-centered design principles
• Understanding of client-server architecture
• Real-time data flows and event-driven UI
• Web performance optimization
• Experience working with data visualization libraries (e.g., D3.js, Chart.js, or similar)

Preferred Qualifications

• Experience developing UI for Command & Control systems
• Space, defense, or mission-critical applications
• Experience with real-time streaming data (WebSockets, Kafka, etc.)
• Familiarity with Authentication/authorization flows (OAuth, JWT)
• Role-based UI/UX design
• Experience building and maintaining Design systems / component libraries (Storybook, etc.)
• Exposure to containerized environments (Docker, Kubernetes) for front-end deployment

Primary Level Salary Range: $103,600.00 - $155,400.00

Secondary Level Salary Range: $129,300.00 - $193,900.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

At 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., The DARC Software development team is headquartered out of Colorado Springs but may require occasional travel to the DARC sites.