Company Overview

For 29 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 Reston, VA, and specializes in providing logistics, construction, training, intelligence, and information technology solutions to the defense, diplomatic, intelligence and law enforcement communities.

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

1-181219-8224: Junior Software Engineer
LocationU.S. - Virginia - Vienna
Open Date12/19/2018

SOS International, LLC (SOSi), Special Programs Division is seeking a Junior Software Engineer in Vienna, Virginia to develop and maintain several data collection, management, and analysis projects. While candidates are not expected to be full stack developers, they are expected to hone the skills necessary to contribute at every tier. A successful candidate will possess a solid foundation in basic CS principles (e.g. data structures, asymptotic behavior, and OOP), the ability to write maintainable code, and above all else a desire to learn.


  •       Produce software to solve challenging problems involving large data sets
  •       Work well in a small team in a fast-paced development cycle
  •       Identify areas where the efforts of the software team can increase efficiency for the organization as a whole
  •       Provide technical support to customers and co-workers for existing software
  •       Manage competing priorities to meet deadlines
  •       Maintain a positive work atmosphere
  •       Communicate effectively internally and with clients


  •       Bachelor's in Computer Science or related field
  •       An understanding of version control using Git
  •       An understanding of the Linux command line
  •       Proficiency in Python, Go, or JavaScript
  •       Capable of learning and applying new skills when demands exceed existing capabilities
  •       Ability to obtain a security clearance 


  •       Experience with continuous integration / continuous deployment tools
  •       Experience with modern relational and/or non-relational databases (e.g. Postgres, MongoDB, Redis)
  •       Experience with virtualization/containerization (e.g. Docker, VMware, XenServer)
  •       Experience with infrastructure as code tools (e.g. Ansible, Chef, Puppet)
  •       Experience with frontend JS frameworks for single-page applications (e.g. Vue, Angular, React)
  •       Experience with distributed systems (e.g. concurrent processes and managing shared state)
  •       Experience building and interacting with RESTful APIs?
  •       Experience with HTTP/Proxy servers (eg. Nginx, Squid, Privoxy)

  • Working conditions are normal for an office environment 
  • May require ability to lift/ and or move objects or packages of up to 25 lbs