UI/UX Engineer

Leidos; San Diego (CA); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos in San Diego is seeking a mobile UI/UX engineer to translate complex ideas into a modern, user-friendly experience for touch devices. You will lead UX design, prototyping, and collaboration with product owners to shape the product suite for a defense-focused environment.

Ideal candidates have 5+ years delivering mobile UX, strong communication, and experience with Sketch, Pixate and Adobe Creative Suite, plus the ability to work in an engineering-heavy team with DoD security requirements.

Qualifications

• US citizenship and an active Secret DoD security clearance required.
• BA/BS in Design, HCI, or CS/Engineering with UX experience and 8+ years of experience.
• 5+ years delivering UX for mobile products with UX research experience and lean UX.
• 5+ years producing UX designs and interaction prototypes with industry tools (Sketch, Pixate, Adobe CS).
• Excellent verbal and written communication skills.

Responsibilities

• Work with leadership and product owners to develop UX strategy for multiple platforms.
• Design solutions responsive to varying platform form factors and screen widths.
• Lead design and execution of usable UX designs, frameworks and information architectures.
• Develop interactive prototypes using available tools.
• Collaborate with developers, engineers and testers to implement designs.
• Manage multiple UX research/design/engineering processes and advocate for UX.

Skills

UX strategy

Mobile UX

UX research

Prototyping

Collaborate with product owners

Education

BA/BS in Design, HCI, or CS/Engineering with UX

Tools

Sketch

Pixate

Adobe Creative Suite

Job description

Description

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

May 19, 2026

For 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.

Pay Range

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay And Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.