Ready to design technology that makes a difference? At Leidos, you’ll help shape the future of intelligence operations by creating intuitive, high-impact user experience for mission-critical systems. As a UI/UX Engineer supporting a premier Intelligence Community customer, you’ll turn complex challenges into elegant solutions, working alongside innovative teams to deliver capabilities that strengthen national security. This is an opportunity to see your designs move beyond the screen and directly support real-world missions of national importance.
Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team’s focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.
Geospatial Analyst Solutions Directorate, part of the National Solutions Business Area, is currently seeking a skilled and experienced Mid-Level UI/UX Engineer for the Maru Program. The Maru Program delivers mission-critical, modern software solutions across our customer’s enterprise using Agile, DevSecOps, and cloud-native methodologies.
As a UI/UX Engineer, you will design and develop intuitive, user-centered interfaces for mission-critical applications. This role bridges design and engineering, focusing on creating seamless user experiences while delivering production-ready front-end solutions.
The ideal candidate has a strong foundation in user experience design, front-end development, and usability principles, with the ability to translate complex technical workflows into clean, efficient, and accessible interfaces. This individual will work closely with backend engineers, product owners, and end users to improve usability, performance, and overall user satisfaction.
Citizenship & Security Clearance Requirements
- U.S. Citizenship
- Active TS/SCI with the ability to successfully pass a Polygraph examination
Essential Responsibilities
- UI/UX Design & Implementation: Design and develop intuitive, responsive user interfaces for web-based applications
- User Experience Optimization: Translate complex workflows into simple, efficient user experiences that improve usability and adoption
- Front-End Development: Build and maintain front-end components using modern frameworks (e.g., React, Angular, or similar)
- Usability & Accessibility: Ensure applications meet usability standards and accessibility best practices
- Design Systems: Contribute to and maintain consistent design patterns, components, and style guides
- User Research & Feedback: Gather and incorporate user feedback to continuously improve interface design and functionality
- Cross-Functional Collaboration: Work closely with backend engineers, product teams, and stakeholders to align UI/UX with system capabilities
- Performance Optimization: Improve front-end performance, responsiveness, and scalability
Basic Qualifications
- Bachelor’s degree in Computer Science, Software Engineering, or related field with 4–8 years of relevant experience or Master’s degree with 2–6 years of relevant experience
- Strong experience with front-end technologies (JavaScript, HTML, CSS)
- Experience with modern UI frameworks (React, Angular, etc.)
- Demonstrated experience designing user-centered interfaces for complex applications
- Understanding of UX principles, usability, and interaction design
- Experience working in Linux-based environments
- Ability to translate user needs into functional design solutions
Preferred Qualifications
- Experience with design tools (Figma, Sketch, Adobe XD)
- Experience with data visualization tools (e.g., Grafana or similar)
- Familiarity with REST APIs and backend integration
- Exposure to CI/CD pipelines and front-end deployment workflows
- Experience working in Agile environments
- Experience designing and developing intuitive user interfaces for data-driven GEOINT applications.
#Maru
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:June 10, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Skills Required
- U.S. Citizenship
- Active TS/SCI with ability to pass a Polygraph examination
- Bachelor's degree in Computer Science, Software Engineering, or related field with 4-8 years experience (or Master's with 2-6 years)
- Strong experience with JavaScript
- Strong experience with HTML
- Strong experience with CSS
- Experience with modern UI frameworks (React, Angular, etc.)
- Demonstrated experience designing user-centered interfaces for complex applications
- Understanding of UX principles, usability, and interaction design
- Experience working in Linux-based environments
- Ability to translate user needs into functional design solutions
- Experience with design tools (Figma, Sketch, Adobe XD)
- Experience with data visualization tools (Grafana or similar)
- Familiarity with REST APIs and backend integration
- Exposure to CI/CD pipelines and front-end deployment workflows
- Experience working in Agile environments
- Experience designing and developing intuitive UIs for data-driven GEOINT applications
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
