UI-UX Designer

Vantor is seeking a UI/UX Designer to oversee end-to-end UX and UI for mission-critical government applications, blending research-driven user experience with polished visual design within secure government environments. This on-site role is based in McLean, Virginia.

Responsibilities

• Plan and conduct user research, including interviews, usability testing, and feedback sessions with analysts, subject matter experts, managers, and data scientists.
• Analyze findings and synthesize insights into personas, user journeys, and workflow maps.
• Document research results and recommendations to support stakeholder understanding and buy-in, particularly in government settings.
• Apply ethical, secure, and compliant research practices appropriate for classified or sensitive environments.
• Lead UX and UI efforts for complex, high visibility applications.
• Define, maintain, and evolve design systems and component libraries in collaboration with engineering teams.
• Establish consistent interaction patterns, workflows, and design standards across multiple applications.
• Create service blueprints and end-to-end experience maps to align cross-functional teams.
• Develop interactive prototypes using tools such as Figma, Adobe XD, or similar to explore concepts and validate user flows.
• Produce high fidelity UI designs that are accessible, usable, and visually consistent.
• Ensure designs align with accessibility standards (WCAG) and applicable government design guidelines.
• Document interaction behaviors, design rationale, and micro-copy to support implementation.

Requirements

• U.S. Citizenship is required.
• Active TS/SCI security clearance with polygraph is required; applicants without the required clearance are not eligible.
• Clearance verification is required for cleared roles.
• Export Control/ITAR: Certain roles may require U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
• Bachelor's degree in Design, Human-Computer Interaction, Psychology, Computer Science, or related field, or equivalent experience.
• Minimum of 5 years of professional UI/UX design experience.
• Demonstrated experience conducting UX research, analysis, and synthesis (not UI-only).
• Strong proficiency with design and prototyping tools such as Figma, Adobe XD, or equivalents.
• Experience collaborating closely with product managers and engineering teams.
• Ability to clearly articulate design decisions and research findings to stakeholders.
• Willingness to work onsite full-time in McLean, VA.

Technologies

• Figma
• Adobe XD

Benefits

• 401(k) with company match
• Mental health resources
• Student loan repayment assistance
• Adoption reimbursement
• Pet insurance

Pay Transparency

The base pay for this position in the Washington, DC metropolitan area is $113,000 to $188,000 annually. For all other states, market-driven ranges are developed based on geographic cost of labor, and ranges may vary by location.