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Salary
≈ $85k – $204k per year (Estimated)
Location
In office (Chantilly)
Seniority
Senior
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Sep 3, 2026. SOSi scores C on the Alion truth index.

Overview
Company
Impact
Profile match
SOS International, known as SOSi, is a privately held American government services company founded in 1989 that began by supplying linguists and interpreters to the United States military. It has since broadened into intelligence analysis, logistics and base operations support, information technology and network engineering, and cybersecurity, working for defence, intelligence and federal civilian customers both in the United States and in deployed locations. Headquartered in Reston, Virginia and still family owned, it employs several thousand people, a large share of them holding security clearances.

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.

*Position is contingent upon contract award*

SOSi is seeking a UI/UX Designer. The UI/UX Designer will provide user interface/user experience to design, research, and development plans in support of the Sponsor's applications. The Designer will leverage expertise in UI/UX design principles, human-centered design, and user research to create intuitive and user-friendly digital experiences.

Essential Job Duties

  • Conduct user research to understand user needs and behaviors, including interviews, surveys, and usability testing.
  • Create user personas, user flows, and wireframes to inform design decisions.
  • Developing and conceptualizing a comprehensive UI/UX design strategy for Sponsor's digital assets.
  • Design UI elements such as navigation menus, search boxes, and CTAs, to enhance user experience.
  • Create high-fidelity prototypes and testing designs to validate user experience.
  • Collaborate with development teams, stakeholders, and Sponsor's representatives to ensure design requirements are being met.
  • Provide guidance on the implementation of UX research methodologies and testing activities.
  • Maintain a competitive edge by staying up to date with industry trends and emerging technologies.
  • Active TS/SCI w/ Poly.
  • Demonstrated professional experience with the following tools, systems, services, and data types:
    • User research methodologies, including user interviews, surveys, and usability testing, to inform design decisions and validate user experience.
    • Proficiency in UI/UX design tools, such as Sketch, InVision, and Adobe Creative Suite, to create high-quality design solutions.
    • Experience with wireframing and prototyping tools, such as Figma and Axure, to develop and test design concepts.
    • Strong understanding of human-centered design principles and design thinking to create intuitive and user-friendly digital experiences.
    • Knowledge of HTML, CSS, and JavaScript fundamentals to effectively communicate design requirements to development teams.
    • Experience with design systems and style guides to ensure consistency and coherence across Sponsor’s digital assets.

Preferred Qualifications

  • Experience with mobile and web application design, including responsive design principles and mobile-specific design considerations.
  • Familiarity with Sponsor’s existing design systems and brand guidelines to ensure alignment with Sponsor’s overall visual identity.
  • Knowledge of emerging trends and technologies in UI/UX design, such as AR/VR and voice UI, to stay ahead of the curve and identity new opportunities.
  • Experience with usability testing and user feedback analysis to inform design decisions and iterate on design solutions.

Working Conditions

  • Working conditions are normal for an office environment.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.

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