363 - Senior User Experience (UX) Designer

About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting‑edge technical solutions at the best value to our clients. That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for a motivated Senior User Experience (UX) Designer to support the exciting Analysis & Mitigations mission with UX design and front‑end development for an Agentic Knowledge Management System. The designer will conduct user research to understand user needs, behaviors, and pain points to write and maintain front‑end code for implementing UX designs and ensure seamless integration with backend systems. Additionally, develop and maintain UX documentation, including design guidelines, style guides, technical plans and milestones for UX deliverables, and user guides. This position will support one of our government clients in Fort Meade, MD.

Responsibilities

• Write and maintain front‑end code to implement UX designs.
• Design and conduct user interviews, surveys, and usability tests to identify trends, insights, and opportunities for improvement.
• Develop front‑end components using modern web technologies.
• Collaborate with backend developers to integrate front‑end code with existing backend services.
• Ensure front‑end code is optimized for performance, accessibility, and cross‑browser compatibility.

Minimum Qualifications

• Bachelor's degree plus 8 years of relevant experience or equivalent.
• Understanding of Agile and other constructs.
• Experience with HTML, CSS, JavaScript, React, and Vue.js.

Benefits

For an overview of our benefits, please visit our benefits tab.

https://www.arsiem.com/careers/

Original Posting Date

2026-03-19

Clearance Requirement

This position requires an active TS/SCI with a polygraph. You must be a U.S. citizen for consideration.

Candidate Referral

Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $10,000, and the referrer is eligible to receive the sum for any applicant we can place within 12 months of referral. The bonus is paid after the referred employee reaches six months of employment.

Equal Opportunity Statement

ARSIEM is proud to be an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.

AI Notice

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.