Title: Systems Administrator
Location: Sterling, VA
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Support a small team in a dynamic, mission-focused environment, providing hands on support to highly technical user community. The SA will respond to Tier 1 and Tier 2 level requests and trouble tickets. This will involve potentially the following duties: computer workstation setup/configuration/troubleshooting, peripheral device troubleshooting/replacement, user inquiries/problems, user account management, shared drive access control, multi-use group management, network troubleshooting, and deferral support to higher tier personnel. The SA will also be responsible for removable media control/processing, desktop VTC support, application requests/installation/troubleshooting, and other user level support tasks. Additionally, the CSA will also provide surge support to other network support and project activities that may arise. Location: Sterling VA area

Mandatory Skills
• Experience administering Microsoft Windows desktop operating systems.
• Experience providing close support for Sponsor's environment
• Familiarity with Sponsor's enterprise access request system
• Deep knowledge of MS Active Directory to manage group access and distribution lists
• Administrator account with permissions on Sponsor's network
• Dedication to precision adherence to policy and standard operating procedures.
• Understanding of local area networks and information security practices.
• Experience creating, maintaining, and updating documentation, diagrams, and specifically security documentation.
Optional Skills
• Experience with workflow and ticketing systems (e.g. ServiceNow)
• Experience with shell scripting languages (e.g. PowerShell, Python, Perl).
• Competency with Microsoft Visio
• Knowledge of virtualization platforms and technologies (e.g. VMware, Hyper-V, Citrix).
• Professional certification(s) (e.g. CompTIA, Cisco, VMware, Microsoft, etc.)
• Familiarity with Communications Security (COMSEC)
• Familiarity with RF technologies, including cellular and Wi-Fi