UI/UX Engineer

About this role

Closure Technologies is seeking a UI/UX Engineer in McLean, VA who will conduct user research, lead UX strategy and design system development, and produce accessible, high-fidelity UI designs and prototypes for complex, high-visibility applications.

Clearance Requirement: TS/SCI with Polygraph

Key Responsibilities:

• User Research & Analysis

• Plan and conduct user research activities including interviews, usability testing, and feedback sessions with diverse user groups (e.g., analysts, SMEs, managers, data scientists).

• Analyze and synthesize research findings into actionable insights, personas, user journeys, and workflow maps.

• Document research findings 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.

• UX Strategy & Design Systems

• 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

• UI Design & Prototyping

• 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 (e.g., WCAG) and applicable government design guidelines.

• Document interaction behaviors, design rationale, and micro-copy to support implementation

Required Qualifications:

• Active U.S. Government Security Clearance at the TS/SCI level with required polygraph.

• Bachelor’s degree in Design, Human-Computer Interaction, Psychology, Computer Science, or a related field (or equivalent experience).

• Minimum 8 years of experience with a Bachelor’s degree; or 7 years of experience with a Masters degree; or 6 years of experience with a Doctorate

• Demonstrated experience conducting UX research, analysis, and synthesis (not UI-only).

• Strong proficiency with design and prototyping tools such as Figma, Adobe XD, or equivalent.

• Experience collaborating closely with product managers and engineering teams.

• Ability to clearly articulate design decisions and research findings to stakeholders.