UI/UX Engineer

Senior • On-site

McLean, VA

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.

Closure Technologies

Closure Technologies is a government-focused technology company based in the United States, supporting high-visibility and complex applications within classified or sensitive environments. Operating in the technology and digital services sector, the company specializes in user experience strategy, design systems, and secure application development for government clients. Its work reflects a strong emphasis on security, compliance, accessibility, and ethical practices, particularly in environments requiring high-level security clearances. Closure Technologies collaborates closely with cross-functional teams to deliver standardized, research-driven, and user-centered digital solutions, demonstrating a commitment to quality, consistency, and mission-focused outcomes in the public sector.

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