Senior UX Designer

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Overview

As a Senior UX Designer, you will lead research and design activities that balance user needs, mission requirements, and technical constraints. You will collaborate closely with product managers, engineers, and data scientists to transform complexity into clarity. This role is ideal for someone who thrives in ambiguous problem spaces, brings a systems mindset to user challenges, and can advocate for design as a strategic partner within agile teams.

Responsibilities

• Lead discovery and research to inform UX and IA strategy: Facilitate stakeholder interviews, workshops, and content audits; document user and system requirements; map journeys and metadata; identify opportunities to normalize terms and improve AI retrieval accuracy.
• Design scalable, accessible, and intuitive user experiences: Create wireframes, prototypes, and annotated specifications; ensure usability and accessibility standards (508, WCAG) are met; facilitate usability testing and iterate on designs based on real user feedback.
• Architect metadata models, taxonomies, and ontologies for AI enablement: Define taxonomies and controlled vocabularies; build content models and lightweight ontologies; collaborate with platform and data teams to integrate metadata; document IA deliverables.
• Integrate UX and IA into agile, AI‑centered delivery: Work within agile product teams; participate in sprint ceremonies; support design reviews and architecture decisions; help define evaluation criteria and success metrics for UX and IA.
• Drive knowledge sharing and practice growth: Mentor junior designers; develop IA templates, design systems, and metadata standards; contribute to internal workshops and continuous improvement efforts.

Preferred Skills & Qualifications

• 3+ years of UX design and/or IA experience supporting complex systems, preferably in government or AI/ML contexts.
• Proven experience leading user research, usability testing, and content strategy initiatives.
• Strong understanding of taxonomy, metadata, data modeling, and content governance principles.
• Proficiency with prototyping and architecture mapping.
• Working knowledge of Section 508/WCAG accessibility standards and responsive design.
• Familiarity with AI/ML tools, agent‑based workflows, or data labeling platforms is a plus.
• Experience supporting agile software delivery teams and participating in sprint rituals.
• Bachelor’s or Master’s degree in UX Design, Human‑Computer Interaction, Information Science, or a related field.

About Us

Agile Defense delivers IT strategy, cloud, cybersecurity, application, data and analytics, enterprise IT, intelligence analysis, and mission operation support services to accelerate technical performance and efficiency for Defense, Civilian, and National Security & Federal Law Enforcement clients. Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental.

Equal Opportunity Employer/Protected Veterans/Individuals With Disabilities
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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