Lead User Experience; UX Engineer, TS​/SCI wPoly

Position: Lead User Experience (UX) Engineer, TS/SCI wPoly
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Department Summary:

MITRE is seeking a Lead UX/UI Engineer to support high-priority ODNI initiatives requiring front-end web application development. This role requires an active TS/SCI with a Full Scope Polygraph.

In this role, you will collaborate with experienced engineers, designers, researchers, and stakeholders to help frame problems, understand mission needs, and translate user insights into intuitive and effective solutions. You will contribute to stakeholder engagement activities-such as discussions, feedback sessions, and iterative design reviews-to ensure solutions align with user and mission objectives.

Roles & Responsibilities :

The selected candidate will serve as a technical subject matter expert responsible for designing, documenting, developing, and refining interactive, visually engaging, and responsive front-end web applications and interaction designs within highly sensitive Intelligence Community environments. This position supports enterprise-level ODNI challenges related to technology modernization, data integration, analytic enablement, and secure collaboration.

Responsibilities include:

* Collaborate directly with ODNI sponsors and MITRE technical teams to translate complex mission workflows into clear, accessible, and mission-effective user interfaces that support analyst decision-making and reduce cognitive burden.

* Ability to work closely with human factors engineers, UX designers, researchers, project leaders, and sponsors to create software prototypes using current front-end technologies and best practices.

* Lead or support development of enterprise-grade application front ends for a variety of mission needs including data visualization, workflow automation, analytics and geospatial displays.

* Produce and maintain design-system components, interaction specifications, accessibility annotations, and developer-ready handoff documentation as necessary for sponsor engagement.

* Ensure performance, usability, and accessibility of application designs.

* Present designs and technical solutions clearly to both technical and non-technical stakeholders.

* Mentor junior developers/designers and contribute to department-wide technical standards.

The primary responsibilities of this position must be carried out in person in McLean, Virginia or Bethesda, Maryland. The successful candidate will establish regular presence at MITRE and ODNI locations and may be required to travel within the National Capital Region.

Basic Qualifications:

* Requires a minimum of 8 years of related experience with a Bachelor's degree; or 6 years and a Master's degree; or a PhD with relevant experience who can immediately contribute.

* Bachelor's degree in Computer Science, Software Engineering, HCI, UX Design, Human-Computer Interaction, or a related field.

* Active TS//SCI clearance with a Full Scope Polygraph (required at time of hire).

* Per the U.S. Government's eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.

* Demonstrated experience as a Front-end web application developer with strong experience in UI/UX, interaction…