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User Interface Design System Engineer Jobs in Washington

ManTech

UX/UI Developer

Washington, DC

$85K - $141K/yr

MANTECH seeks motivated, career, and customer-oriented UX/UI Developer for a new initiative. This ... Lead UX/UI design and development efforts for mission interfaces and AI-enabled systems. * Design ...

ManTech International

UX/UI Developer

Washington, DC · On-site

$85K - $141K/yr

MANTECH seeks motivated, career, and customer-oriented UX/UI Developer for a new initiative. This ... Lead UX/UI design and development efforts for mission interfaces and AI-enabled systems. * Design ...

SSN Group LLC

UI / UX Developer

Rockville, MD · On-site

Hi, Job Title: UI / UX Developer Location: Rockville, MD Hybrid Work * UI/UX Designer with ... Design Systems & Reusable UI Components * Git/GitHub, Agile/Scrum * AI/ML, Azure OpenAI, LLMs ...

ATPCO

Senior UX Engineer

Herndon, VA · On-site +1

$110K - $136K/yr

Develop and maintain interactive prototypes and user-facing interfaces using HTML, CSS, JavaScript ... Design Systems: Contribute to the design system for consistency across products and develop ...

Cymertek

UI Developer

Annapolis Junction, MD · On-site

$51 - $66.50/hr

... Engineer, Frontend Engineer, Web Application Developer, Interaction Designer, UI/UX Developer ... Knowledge of design systems and component libraries * Understanding of UI testing frameworks (e.g ...

ECS

UI/UX Designer

Arlington, VA · On-site

$100K - $120K/yr

A solid portfolio of work demonstrating experience creating great user-centered design solutions across multiple interfaces and screen sizes * Ability to work collaboratively with developers, project ...

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Infographic showing various User Interface Design System Engineer job openings in Washington as of July 2026, with employment types broken down into 71% Full Time, 10% Part Time, and 19% Contract. Highlights an 88% In-person, 2% Hybrid, and 10% Remote job distribution.
UX/UI Developer

UX/UI Developer

ManTech

Washington, DC

$85K - $141K/yr

Other

Medical, Life, Retirement, PTO

Re-posted 27 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

30th of 209 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
***This is for a future opportunity***

MANTECH seeks motivated, career, and customer-oriented UX/UI Developer for a new initiative. This effort supports the rapid design, deployment, operation, and sustainment of enterprise-scale AI, data, and mission platform capabilities across cloud, edge, and classified operational environment.

This role supports human-machine teaming workflows, mission interfaces, dashboards, and operator experience optimization for AI-enabled systems. You will apply user-centered design to ensure intuitive and effective mission interfaces.

Responsibilities include but are not limited to:

  • Lead UX/UI design and development efforts for mission interfaces and AI-enabled systems.

  • Design user-friendly interfaces to support complex human-machine teaming workflows.

  • Develop mission workflow visualizations, interactive dashboards, and reporting interfaces.

  • Implement user-centered design (UCD) principles through prototyping, testing, and iteration.

  • Conduct hands-on front-end development using modern frameworks (e.g., React, Next.js, or Django).

Minimum Qualifications:

  • Bachelor's degree in Graphic Design, Web Development, HCI, or a related field.

  • 3 or more years of experience in UX/UI design and front-end development.

  • Expertise in design tools (e.g., Figma) and data visualization frameworks.

  • Strong portfolio demonstrating successful design and development of complex data or enterprise applications.

  • Proficiency in modern front-end languages (HTML, CSS, JavaScript) and at least one relevant framework.

Preferred Qualifications:

  • Experience designing interfaces to support AI explainability and transparency.

  • Familiarity with Django for full-stack application development.

  • Experience with mission-critical systems or secure government environments.

Clearance Requirements:

  • For onsite work, a TS/SCI clearance with Poly will be required.

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time.

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

  • Constantly operates a computer and other office productivity machinery.


The projected compensation range for this position is $85,000.00-$141,600.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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