Senior UI/UX Designer

Amentum; Merrifield (VA); On-site; USD 140,000 - 210,000; Full time

Benefits offered by this job

Health, dental, vision insurance

Paid time off & holidays

401(k) matching

Job summary

Amentum seeks a Senior UI/UX Designer to lead design strategy and execution across federal web platforms, mentoring peers and shaping a scalable design system. You will translate business needs into with precision UI and exceptional user experiences while collaborating with product, engineering, and leadership teams.

The role emphasizes accessibility, localization, and end-to-end design from discovery to prototyping, with a TS/SCI starting clearance; on-site in the Chantilly, VA area, with a

Qualifications

• 4 years of dedicated UI/UX or product design experience.
• Portfolio showing end-to-end product design and data-informed UX decisions.
• Expert in Figma, Sketch, Adobe CC; proficient with Framer and Jira/Confluence.
• Familiarity with HTML, CSS, JS and responsive design.
• Strong communication, storytelling, and project management skills.
• Active TS/SCI to start; Poly possible.
• SAFe/Agile experience; collaborate with Scrum Masters/Product Owners.
• Minimum education requirements per job listing: advanced degree or equivalent experience.

Responsibilities

• Own end-to-end product design lifecycle from discovery to high-fidelity UI.
• Scale design system and reusable UI components across platforms.
• Conduct user research and usability testing to validate design decisions.
• Collaborate with Product Managers and Developers on handoffs and QA.
• Present design rationale and roadmap to stakeholders to secure buy-in.
• Design for accessibility (WCAG 2.1 AA, Section 508) and localization.

Skills

UI/UX design

Design strategy

Mentoring

Cross-functional collab

System thinking

Education

Master's degree + 2 years

Bachelor's degree + 4 years

Associate + 6 years

8 years experience

Tools

Figma

Sketch

Adobe Creative Cloud

Framer

Jira

Confluence

Job description

The Geospatial Enterprise Open Data Store (GEODS) contract provides integration, design, development, and sustainment for data services in support of the Federal Government. Amentum is seeking a talented Senior UI/UX Designer who is responsible for leading the design strategy, execution, and optimization of digital products across federal web platforms. They will bridge the gap between business objectives, complex user needs, and engineering feasibility, transforming abstract ideas into scalable, beautiful, and intuitive user experiences. In addition to hands‑on design work, a senior designer acts as a system thinker, mentor, and strategic collaborator who drives measurable business outcomes. Work Schedule: Day shift, Monday through Friday.

Essential Responsibilities

We are seeking a visionary and highly collaborative Senior UI/UX Designer to own the end‑to‑end user experience of our product ecosystem. In this role, you will lead the evolution of our design system, map out complex user journeys, and create high‑fidelity interfaces that look stunning and function seamlessly. You will collaborate daily with product management, software developers, and federal leadership to champion user‑centered design practices and drive product innovation. As a senior member of the team, you will also mentor junior designers and elevate our collective design standards.

Key Responsibilities

• Design Strategy & Execution: Own the full product design lifecycle, moving smoothly from discovery, user flows, and wireframing to high‑fidelity UI design and interactive prototyping.
• System & Component Design: Maintain and scale our cross‑platform design system, building robust, reusable UI component libraries that streamline frontend development.
• User Research & Data Synthesis: Plan and conduct qualitative user research, usability testing, and data analysis to uncover pain points and validate design assumptions.
• Cross‑Functional Collaboration: Partner closely with Product Managers to align features with business KPIs, and work hand‑in‑hand with Software Developers to provide precise handoff documentation and perform design QA.
• Stakeholder Influence: Articulate and present design logic, research findings, and product vision to stakeholders, effectively gathering feedback and securing organizational buy‑in.
• Designing for Reality: Optimize designs for digital accessibility (e.g., WCAG 2.1 AA and Section 508 standards), localization, edge cases, responsive scaling, and performance.

Work Environment, Physical Demands, and Mental Demands

Office environment, light physical demands, must have ability to attend to mental tasks for the duration of the workday.

Minimum Requirements (Knowledge, Skills, and Abilities)

Experience

4 years of dedicated UI/UX or product design experience in complex software landscapes, preferably in secure or federal environments or commercial high‑growth environments (e.g., B2B SaaS, complex mobile apps, etc.).

Portfolio

A robust portfolio demonstrating end‑to‑end product design, clear visual design craft, systematic UI architecture, and examples of data‑informed UX decisions.

Tools

Expert‑level mastery of industry standard UI/UX tools (e.g., Figma, Sketch, Adobe Creative Cloud, or advanced prototyping tools like Framer) and experience with Atlassian suite, specifically Jira and Confluence.

Technical Understanding

Familiarity with frontend technologies (HTML, CSS, JavaScript frameworks) and how layout constraints, component logic, and responsive design function in development.

Soft Skills

Outstanding communication, narrative storytelling, and project management skills; ability to juggle multiple initiatives simultaneously without losing attention to pixel‑level details.

Security Clearance Required

Active TS/SCI to start; with ability to gain and maintain a Poly.

Minimum Education

Master's degree plus 2 years experience, Bachelor's degree plus 4 years experience, Associates degree plus 6 years experience, or a minimum of 8 years experience, in relevant field.

Preferred Qualifications

AI if applicable to your program.

At least 4 years of demonstrated experience with software development using SAFe or similar Agile methodologies, to include working with Scrum Masters and/or Product Owners to decompose high level requirements into actionable user stories.

Previous NGA experience.

Other Responsibilities

Safety

Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self‑aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality

Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance

Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.

#javelin Compensation Details

$140k - $210k The compensation range or hourly rate listed for this position is provided as a good‑faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax‑saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara‑O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

If you need assistance, please reach out to [e-mail]

Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/