SoSi Basic Subject Matter Expert (SME) in Reston, Virginia

Company Overview

For 25 years, clients in the private and public sectors have relied upon SOS International LLC (SOSi) for critical operations in the world’s most challenging environments. SOSi is privately held, was founded by its current ownership in 1989, maintains corporate headquarters in New York City, and specializes in providing logistics, construction, training, intelligence, and information technology solutions to the defense, diplomatic, intelligence and law enforcement communities.

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or protected veteran status. SOSi takes affirmative action in support of its policy to advance employment of individuals who are minorities, women, protected veterans, and individuals with disabilities.

1-161011-4698: Basic Subject Matter Expert (SME)

Job Category Research and Development

Duty Location U.S. - Virginia - Reston

Type of Position Full Time

Requisition Number 1-161011-4698


SOSi is seeking a highly qualified Basic Subject Matter Expert (SME). The candidate must be a recognized industry expert with depth and breadth of knowledge capable of providing advisor and consultant services based on experience that has a unique, specific level of technical value.


  • Security Clearance requirements: TS, TS/SCI, S
  • 15 years’ experience in the subject
  • Must be capable of supporting teams complex technical or programmatic issues


Technical proficiencies (desired)

  • Familiarity with one/more BMDS technical and operational attributes

  • Sensor systems, interceptor systems, Battle Management Command and Control (BMC2) systems

  • Familiarity with design/development/operational constraints facing ballistic and space systems
  • Familiarity with requirements, design, development, testing, fielding and operations/sustainment of complex systems and “systems of systems” capabilities

  • Ability to support a wide-array of specialized assessments and evaluations

  • CYBER expertise for developmental and operational systems is desired