UI/UX Engineer

Leidos is a global science and technology solutions leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets.

The Key Management and Analysis Division of Leidos is looking for a mobile designer who is passionate about design, detail-oriented, and ready to take the user experience to the next level. Our ideal UI/UX engineer streamlines complex ideas into a modern, clean format for an overall user experience that is user-friendly, intuitive, & modern. Looking for a user experience design tailored to a touch-based and mobile environment to provide user friendly workflows and an innovative graphical user interface. This individual thrives in a work environment that requires strong problem solving skills and independent self-direction, coupled with an aptitude for team collaboration and open communication. A thorough understanding of contemporary user-centered design methodologies is a must.

This position is on-site at a Naval Facility in San Diego.

What you will like about this position…

• Being part of an amazing team of professionals all passionate about the vision of the product suite and the positive impact it provides to our many customers and the warfighter.

• Implementing a wide variety of technologies and the use of powerful industry-standard development tools and practices.

• Work a 9/80 work schedule (i.e., 9 hour days, then work 8 hours on first Friday and off the second Friday)

Position responsibilities will include:

• Work with leadership and product owners to develop UX strategy for multiple platforms types

• Help to design solutions that are responsive and/or adaptive to varying platform form factors and screen widths.

• Lead design and execution of highly usable and engaging user experience designs, frameworks and information architectures that focus on user goals and needs

• Develop interactive prototypes using the tools at hand

• Work closely with and provide guidance to developers, engineers and testers

• Manage multiple simultaneous UX research/design/engineering processes

• Be the owner of, and advocate for, the importance of excellent UX design in an engineering-heavy environment

Required Qualifications:

• Position requires US citizenship and an active Secret DoD security clearance.

• BA/BS in Design, HCI, or BA/BS in Computer Science or Engineering field with UX experience and 8+ years of experience.

• 5+ years’ experience delivering UX for successful and innovative mobile products, including exposure to and hands-on experience with a variety of UX research techniques and familiarity with lean UX process

• 5+ years in producing UX designs and interaction prototypes using a variety of industry standard tools. Examples include but are not limited to Sketch, Pixate and Adobe Creative Suite

• Excellent verbal and written communication skills.

Desired Qualifications:

• Design experience in a mobile, touch-based environment

• Experience with ECUs or SKLs

• Demonstrable independence and initiative: you’ve identified, diagnosed and fixed problems before anyone else noticed

• Strong and defensible design sensibilities: you know what’s right but you also know how to make the case for it

• Experience with pixel-perfect design, and the collaborative and organizational abilities to ensure nothing falls through the cracks

• Excellent written and oral communications skills: you know how to get your message across, and you know how to ask for clarification when things aren’t clear

• An impressive portfolio that communicates your ability to quickly break down complex problems, develop effective UX solutions, and execute high quality designs and prototypes

• DoD 8570 approved security certification (i.e., Security +) (Will be required 90 days after hire).

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:

September 17, 2026

Pay Range:

Pay Range $107,900.00 - $195,050.00

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.