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Cyber Systems Administrator

Arlington, Virginia SOS International LLC (SOSi)

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 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 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-******-7026: Cyber Systems Administrator

LocationU.S. – Virginia – Arlington

Open Date6/15/2018


STG, Inc., an affiliated company of SOSi, has an immediate opportunity as a Cyber Systems Administrator located in Arlington Virginia. This position will support Department of Homeland Security, which provides cutting edge Cyber, Information Assurance and Security Services.
The selected applicant will become part of the United States Computer Emergency Readiness Team (US-CERT), responsible for analyzing and reducing cyber threats and vulnerabilities, disseminating cyber threat warning information, and coordinating incident response activities. US-CERT provides advanced network and digital media analysis expertise and defends against malicious activity targeting networks within the United States and abroad.
Position Description:
Install, configure, and maintain multiple vendor specific devices.
Ability to design, build, and maintain lab network and servers.
Efficiently facilitate and expedite the tracking, handling, and reporting of all security events and computer incidents in accordance with government procedures.
Work with other Team members to ensure an effective and efficient cyber incident management system for a Federal government customer.
Responsible for implementing server configurations, operating systems, firewalls, patch management, and account management to protect the systems against threats and vulnerabilities.
Repair and recover from hardware or software failures. Coordinate and communicate with impacted constituencies.
Apply OS patches and upgrades on a regular basis, and upgrade administrative tools and utilities. Configure / add new services as necessary.
Research and recommend innovative, and where possible automated approaches for system administration tasks.
Develop and maintain installation and configuration procedures.
Perform regular file archival and purge as necessary.
Perform periodic performance reporting to support capacity planning.
Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.


To be considered for this position, you must minimally meet the knowledge, skills, and abilities listed below. This requisition may be filled at a higher grade based on qualifications listed below.
Bachelor’s Degree in Computer Science or a related technical field.
Minimum or 5 years related technical experience for a level 3 role, 9 years for a level 4 role.
Active Top Secret Security Clearance with the ability to obtain SCI eligibility is required. In addition, selected candidate must be able to obtain and maintain a favorably adjudicated DHS background investigation (EOD) for continued employment.
Ability to understand and learn technical specifications, system requirements and other application design information as needed.
Proficiency in Linux/Windows/OSX system administration.
Understanding of Systems and Network Administration and Network Security.
Experience writing scripts to monitor system services, resources, data mine logs, etc.
Proficient in OSX, Linux, and Windows.
Experience with VMWare virtualization software.


Preferred Qualifications: Candidates with these preferred skills will be given preferential consideration:
Current DHS Suitability at the SCI level.
Current DHS EOD.
Previous experience developing Python/Bash/Perl or similar scripts

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