Senior Mission-Critical UI/UX Engineer

Energy Jobline ZR; Madison (WI); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a Sr. UI/IX Engineer to shape mission-critical user experiences on the Chinook Program. You will lead design and engineering of modern, intuitive interfaces, translating complex requirements into usable UI/IX solutions, and collaborating with cross-functional teams across the lifecycle.

Ideally you will contribute to reusable components, champion accessibility, and participate in Agile ceremonies. This role may require proximity to multiple U.S.

Qualifications

• US citizenship is required per contract.
• Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
• Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
• Strong professional experience developing modern web-based user interfaces and user experiences.
• Proficiency with HTML, CSS, JavaScript/TypeScript, and Python.
• Experience with modern UI frameworks such as React, Angular, Vue.js, or Django.
• Demonstrated understanding of responsive design, component-based development, and modern front-end engineering practices.
• Experience translating complex requirements and user workflows into intuitive interface solutions.
• Experience working in an Agile/Scrum or SAFe environment.
• Strong communication and collaboration skills, with the ability to work effectively across technical and non-technical teams.
• Strong analytical and problem-solving skills with a demonstrated ability to work through complex technical and user-experience challenges.
• Experience with CI/CD tools (GitLab CI, Jenkins) and agile collaboration tools (JIRA, Confluence).
• Familiarity with cloud environments such as AWS GovCloud and containerization technologies (Docker, Kubernetes)
• Understanding of secure coding practices and government system accreditation processes (e.g., RMF, STIGs)

Responsibilities

• Lead the design and engineering of modern, intuitive, and responsive user interfaces for mission-critical applications.
• Translate user needs, mission workflows, and functional requirements into effective UI/IX solutions.
• Collaborate with product owners, UX/UI designers, software engineers, systems engineers, and mission stakeholders throughout the development lifecycle.
• Develop reusable UI components, patterns, and design standards that promote consistency and maintainability across the program.
• Apply user-centered design principles to simplify complex workflows and improve overall usability.
• Build and refine interactive prototypes and proof-of-concept interfaces to validate concepts with stakeholders.
• Partner with software engineering teams to ensure designs are implemented accurately, efficiently, and with appropriate performance considerations.
• Evaluate existing interfaces and identify opportunities to improve usability, accessibility, responsiveness, and overall user experience.
• Participate in Agile ceremonies, PI Planning, backlog refinement, sprint planning, demonstrations, and retrospectives.
• Contribute to technical discussions and help establish UI/IX engineering best practices, standards, and patterns.
• Collaborate with test engineers to ensure UI functionality and user workflows are thoroughly validated.
• Provide technical mentorship and guidance to less-experienced engineers.
• Help drive continuous improvement of the program's UI/IX capabilities and development processes.

Skills

Web UI/UX

React

TypeScript

Python

HTML

CSS

Angular

Vue.js

Django

CI/CD

Jira

Confluence

AWS GovCloud

Docker

Kubernetes

Security best practices

Education

Bachelor's degree in Computer Science or Software Engineering

Master’s degree

Tools

GitLab CI

Jenkins

Figma

Adobe XD

Sketch

Playwright

Cypress

Selenium

Docker

Kubernetes

Job description

Leidos is seeking a Sr. UI/IX Engineer to shape mission-critical user experiences on the Chinook Program. You will lead design and engineering of modern, intuitive interfaces, translating complex requirements into usable UI/IX solutions, and collaborating with cross-functional teams across the lifecycle.

Ideally you will contribute to reusable components, champion accessibility, and participate in Agile ceremonies. This role may require proximity to multiple U.S.