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SMT Subject Matter Expert

Company Overview

For 30 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.

5-190219-8567: SMT Subject Matter Expert
LocationRemote Location
Open Date2/19/2019

SOS International LLC (SOSi), is seeking a SMT Subject Matter Expert to support the Regional Cyber Center CONUS in Army migrations to Joint Regional Security Stacks (JRSS).


  • Become well versed in facets of the DoD JRSS network architecture and/or the Network Modernization CONUS(NETMOD - C) LAN Architecture
  • Be part of a team responsible for multiple aspects of network migration from the Legacy Army distributed TLA architecture to the regionalized  architecture of JRSS
  • Ability to research, evaluate and develop standards relating to SMT operations and utilized technologies
  • Previous experience with complex layer 3 routing which involves MPLS and VRFs
  • Understand BGP, VRF, VLAN, MPLS, VPN and load balancing technologies
  • Experience with firewall, Army Top Level Architecture (TLA), and LAN/WAN migrations
  • Previous knowledge of Government cyber security standards
  • Highly tuned network troubleshooting skills with DoD network policies
  • Ability to multitask multiple, simultaneous migrations and provide required deliverables
  • Excellent time management and documentation skills
  • Support after-hour ASIs as necessary (overtime pay provided)
  • Works well under time constraints and pressure
  • Ability to provide creative solutions to complex issues
  • A proven track record of reliability and consistency in work performance
  • Provisioning application, controlling access to applications, troubleshooting internal and external connectivity
  • Troubleshoot network issues and coordinate with stakeholders to resolve issues in a timely manner
  • HS +  8 or AA/AS + 6, or BA/BS + 4 years technical experience that includes Cisco router, switch and firewall experience at an SME level
  • IAT II (Security CE, CCNA - Security, SSCP) at hire
  • CEH required within 60 days of hire
  • Secret Clearance with the ability to obtain a T5 (SSBI)
  • Cisco CCNP at hire
  • 30% travel required in 1 week intervals


  • Palo Alto Firewall or Cisco ASA administrative experience a plus
  • Several years of network routing and firewall experience in complex environments
  • 8 years + WAN management experience
  • Cisco ASR 9000, MPLS,  and VRF experience


  • Remote position

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