Senior UI/UX Engineer: Mission-Critical Interfaces

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

Job summary

Leidos seeks a Senior UI/IX Engineer to lead the design and engineering of modern, intuitive user interfaces for mission-critical applications on the Chinook program. You will translate complex requirements into effective UI/IX solutions and collaborate across product, design, and engineering teams in an Agile setting.

You will develop reusable UI components, apply user-centered design, and mentor engineers while driving continuous UI/IX improvements across the program.

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 (C2S or 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 development

HTML/CSS/JS/TS

Python

React/Angular/Vue/Django

Responsive design

Agile/SAFe

CI/CD tools

JIRA/Confluence

AWS GovCloud

Docker/Kubernetes

Secure coding

Education

Bachelor's degree in Computer Science or related field

Master's degree in Computer Science or related field

Tools

GitLab CI

Jenkins

Job description

Leidos seeks a Senior UI/IX Engineer to lead the design and engineering of modern, intuitive user interfaces for mission-critical applications on the Chinook program. You will translate complex requirements into effective UI/IX solutions and collaborate across product, design, and engineering teams in an Agile setting.

You will develop reusable UI components, apply user-centered design, and mentor engineers while driving continuous UI/IX improvements across the program.