The Leidos Intelligence Group has an opening for UI/UX Engineer in Reston, Virginia. The successful candidate will work as a member of a government contractor team managing to design intuitive, user-centric interfaces and AI-driven applications for both unclassified and classified federal environments. You will bridge design and front-end development, translating complex mission data into accessible, secure UI solutions while adhering to government regulatory and security protocols. 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. Work will be performed in a fast-paced, high-energy environment inside a government facility.
Primary Responsibility
- Creating, prototyping, and coding seamless user interfaces for mission-critical government systems that leverage AI/ML technologies. Working seamlessly across unclassified and classified (TS/SCI) systems
- Ensure high-security software remains intuitive, efficient, and accessible for federal stakeholders and analysts.
- 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
- Design intuitive interactions for AI/ML features, such as predictive inputs, machine-generated alerts, and dynamic analytics dashboards.
- Create interfaces that streamline complex data visualization and integrate seamlessly with AI-driven capabilities.
- Collaborate heavily with back-end, data science, and AI/ML teams to ensure technical feasibility and smooth integration.
- Work fluidly across multiple security domains (NIPRNet, SIPRNet, and JWICS or equivalent classified networks).
Qualifications
- TS/SCI w/Polygraph
- Must be a US Citizen
- Typically requires BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. May possess a Doctorate in technical domain. Experience may be exchanged for degree requirements.
- Ability to conduct user research, stakeholder interviews, and usability testing to deeply understand the needs of defense and intelligence personnel.
- Ability to translate user needs to create functionally designed interfaces that streamline complex data visualization and integrate seamlessly with AI-driven capabilities.
- Ability to lead end-to-end design initiatives, including wireframing, storyboarding, user flows, and high-fidelity prototypes.
- 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
- Design intuitive interactions for AI/ML features, such as predictive inputs, machine-generated alerts, and dynamic analytics dashboards.
- Collaborate heavily with back-end, data science, and AI/ML teams to ensure technical feasibility and smooth integration.
- Work fluidly across multiple security domains (NIPRNet, SIPRNet, and JWICS or equivalent classified networks).
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.
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 24, 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
- TS/SCI with Polygraph
- Must be a U.S. Citizen
- BS with 12-15 years relevant experience or MS with 10-13 years (experience may be exchanged for degree)
- Strong experience with front-end technologies: JavaScript, HTML, CSS
- Experience with modern UI frameworks (React, Angular, or similar)
- Demonstrated experience designing user-centered interfaces for complex, data-driven applications
- Ability to conduct user research, stakeholder interviews, and usability testing
- Ability to lead end-to-end design initiatives: wireframing, storyboarding, user flows, high-fidelity prototypes
- Ability to translate complex technical workflows into efficient, accessible UI/UX and data visualizations
- Work fluently across multiple security domains (NIPRNet, SIPRNet, JWICS or equivalent classified networks)
- Collaborate effectively with backend engineers, data science/AI teams, and product owners
- Understanding of UX principles, usability, interaction design, and accessibility best practices
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.
