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UI/UX Engineer - Careers at Leidos

Leidos

UI/UX Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a UI/UX Engineer in Chantilly, VA

Leidos seeks a talented UI/UX Engineer to build innovative software for critical entitlement programs, IdAM/ICAM, authentication, authorization, attributes, and digital policy management. Support high-visibility missions for a well-established customer with a wide audience. Join our talented team in a fast-paced environment driving custom, accessible websites focused on exceptional user experiences for admins and end-users.

Key Responsibilities

  • Develop well-structured, maintainable WordPress themes from scratch.
  • Create custom WordPress plugins for site functionality and integrations.
  • Optimize back-end efficiency with database and server integration.
  • Perform performance tests, enhancements, monitoring, and troubleshooting.
  • Handle full-stack WordPress development, agile collaboration, and QA.

Required Qualifications

  • Active TS/SCI with Polygraph clearance.
  • BS + 12+ years experience (or equivalent).
  • Expertise in HTML5, SASS/CSS, JavaScript, PHP, MySQL, WP REST API, JSON.
  • Proven custom WordPress development, accessibility testing, and unit testing.

Desired Skills

  • AWS Certification.
  • Strong design eye, organizational skills, and communication.

Thrive in agile teams on disruptive missions. Leidos outthinks, outbuilds, and outpaces the status quo. Pay range: $131,300 - $237,350 USD annually, based on experience and qualifications. U.S. citizenship required. Apply now for this full-time role in Chantilly, Virginia.

Locations

  • Chantilly, Virginia, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • WordPress Theme Developmentintermediate
  • WordPress Plugin Developmentintermediate
  • HTML5intermediate
  • SASS/CSSintermediate
  • JavaScriptintermediate
  • PHPintermediate
  • MySQLintermediate
  • WP REST APIintermediate
  • JSONintermediate
  • Accessibility Testingintermediate
  • Agile Methodologyintermediate
  • Performance Optimizationintermediate

Required Qualifications

  • Active TS/SCI with Polygraph (experience)
  • BS degree + 12+ years relevant experience (or equivalent) (experience)
  • Understanding of usability and accessibility across devices (experience)
  • Experience with WordPress front-end (HTML5, SASS/CSS, JavaScript) (experience)
  • Experience with WordPress back-end (PHP, MySQL, WP REST API, JSON) (experience)
  • Custom WordPress features and plugins (experience)
  • Unit testing and QA (experience)
  • AWS Certification (desired) (experience)

Responsibilities

  • Create well-structured WordPress site themes from scratch
  • Develop WordPress plugins for custom functionality and integrations
  • Optimize website back-end efficiency including database and server integration
  • Maintain and optimize WordPress themes and plugins
  • Conduct performance tests and enhancements for site speed
  • Monitor live website performance and troubleshoot issues
  • Handle front-end and back-end development with WordPress integration
  • Collaborate in agile, cross-functional team environment

Benefits

  • general: Competitive salary range $131,300 - $237,350
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Flexible work arrangements and paid time off
  • general: Mission-critical work on high-visibility ICAM programs

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Leidos logo

UI/UX Engineer - Careers at Leidos

Leidos

UI/UX Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a UI/UX Engineer in Chantilly, VA

Leidos seeks a talented UI/UX Engineer to build innovative software for critical entitlement programs, IdAM/ICAM, authentication, authorization, attributes, and digital policy management. Support high-visibility missions for a well-established customer with a wide audience. Join our talented team in a fast-paced environment driving custom, accessible websites focused on exceptional user experiences for admins and end-users.

Key Responsibilities

  • Develop well-structured, maintainable WordPress themes from scratch.
  • Create custom WordPress plugins for site functionality and integrations.
  • Optimize back-end efficiency with database and server integration.
  • Perform performance tests, enhancements, monitoring, and troubleshooting.
  • Handle full-stack WordPress development, agile collaboration, and QA.

Required Qualifications

  • Active TS/SCI with Polygraph clearance.
  • BS + 12+ years experience (or equivalent).
  • Expertise in HTML5, SASS/CSS, JavaScript, PHP, MySQL, WP REST API, JSON.
  • Proven custom WordPress development, accessibility testing, and unit testing.

Desired Skills

  • AWS Certification.
  • Strong design eye, organizational skills, and communication.

Thrive in agile teams on disruptive missions. Leidos outthinks, outbuilds, and outpaces the status quo. Pay range: $131,300 - $237,350 USD annually, based on experience and qualifications. U.S. citizenship required. Apply now for this full-time role in Chantilly, Virginia.

Locations

  • Chantilly, Virginia, United States

Salary

131,300 - 237,350 USD / yearly

Estimated Salary Rangehigh confidence

131,300 - 237,350 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • WordPress Theme Developmentintermediate
  • WordPress Plugin Developmentintermediate
  • HTML5intermediate
  • SASS/CSSintermediate
  • JavaScriptintermediate
  • PHPintermediate
  • MySQLintermediate
  • WP REST APIintermediate
  • JSONintermediate
  • Accessibility Testingintermediate
  • Agile Methodologyintermediate
  • Performance Optimizationintermediate

Required Qualifications

  • Active TS/SCI with Polygraph (experience)
  • BS degree + 12+ years relevant experience (or equivalent) (experience)
  • Understanding of usability and accessibility across devices (experience)
  • Experience with WordPress front-end (HTML5, SASS/CSS, JavaScript) (experience)
  • Experience with WordPress back-end (PHP, MySQL, WP REST API, JSON) (experience)
  • Custom WordPress features and plugins (experience)
  • Unit testing and QA (experience)
  • AWS Certification (desired) (experience)

Responsibilities

  • Create well-structured WordPress site themes from scratch
  • Develop WordPress plugins for custom functionality and integrations
  • Optimize website back-end efficiency including database and server integration
  • Maintain and optimize WordPress themes and plugins
  • Conduct performance tests and enhancements for site speed
  • Monitor live website performance and troubleshoot issues
  • Handle front-end and back-end development with WordPress integration
  • Collaborate in agile, cross-functional team environment

Benefits

  • general: Competitive salary range $131,300 - $237,350
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Flexible work arrangements and paid time off
  • general: Mission-critical work on high-visibility ICAM programs

Target Your Resume for "UI/UX Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for UI/UX Engineer - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "UI/UX Engineer - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Chantilly, VALeidos CareersHiring in United StatesCleared UI/UX JobsWordPress EngineeringEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for UI/UX Engineer - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.