Senior UX Designer

Ad Hoc LLC

Senior UX Designer developing user-centered design solutions for federal agencies. Collaborating closely with stakeholders and teams to enhance user experience and accessibility.

Posted 7/3/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $100,000 - $109,000 per yearWebsite

About the role

Key responsibilities & impact

Designer III serves as an emerging individual contributor within a team, expanding your leadership, guidance, and mentoring skills
With the support and guidance of leadership, you will be responsible for supporting the goal of meeting scope, schedule, and delivery requirements
You will interact with stakeholders and utilize influential skills to drive improvements in design processes and practices
Deliver UX design work across program workstreams including discovery artifacts, user flows, wireframes, low and high fidelity prototypes, and usability testing plans in Figma using federal Design System components
Serve as a subject matter expert on accessibility tools and techniques, annotating Figma designs with keyboard navigation, ARIA patterns, focus management, and screen reader labels before sprint planning
Conduct stakeholder interviews, workflow observations, usability testing, and competitive analysis, synthesizing findings into actionable artifacts such as personas, journey maps, storyboards, and research reports
Develop and implement design test cases and test plans, supporting validation of designs against WCAG 2.1 AA and Section 508 compliance standards
Contribute to the Design System component library, proposing new patterns and visual design artifacts through the established governance workflow in collaboration with senior designers and frontend engineers
Collaborate with engineers, QA, product owners, and accessibility specialists to validate designs for technical feasibility and Section 508 compliance before sprint commitment
Develop and present compelling artifacts and presentations that translate complex regulatory and policy requirements into clear, user-centered design solutions for federal stakeholders
Participate in iterative design activities including participatory design sessions, design critiques, and analysis and synthesis working sessions
Proactively partner with Senior Designers, remaining receptive to mentorship while also coaching junior designers with actionable, growth-oriented feedback
Identify design risks and communicate recommendations to mitigate them to program leadership
May lead accessibility tasks including Section 508 compliance and emerging accessibility standards

Requirements

What you’ll need

4+ years of relevant UX and product design experience and a Bachelor's degree, or equivalent additional experience in lieu of a degree
Must meet federal suitability requirements and pass a background investigation as a condition of employment
Proficiency in Figma for wireframing, prototyping, and Design System contribution
Demonstrated subject matter expertise in accessibility tools and techniques including Axe, pa11y, ANDI, JAWS, NVDA, and VoiceOver
Working knowledge of WCAG 2.1 AA and Section 508 compliance standards, including the ability to develop design test cases and plans aligned to accessibility requirements
Experience conducting user research including stakeholder interviews, usability testing, task analysis, and conceptual modeling
Experience producing user requirements specifications, personas, storyboards, scenarios, flowcharts, design prototypes, and design specifications
Ability to communicate research findings and design rationale clearly to both technical and non-technical audiences
Experience working within agile or SAFe delivery environments, integrating design work into sprint-based development timelines
Familiarity with Miro, Adobe Creative Suite, or other collaborative design and research tooling

Benefits

Comp & perks

Company-subsidized health, dental, and vision insurance
Flexible PTO
401K with employer match
Paid parental leave after one year of service
Employee Assistance Program

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

WireframingPrototypingDesign System ContributionUsability TestingUser Requirements SpecificationsPersonasStoryboardsFlowchartsDesign PrototypesDesign Specifications

Soft Skills

LeadershipMentoringCommunicationCollaborationInfluential Skills