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- Chantilly, VA
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ManTech International Corporation • Chantilly, VA
Posted 5 days ago
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Clearance Level Needed: TS/SCI
Category: Networks & Telecommunication Services
Entering ManTech’s 50th year, we hold the distinct honor of being named a “Top 100 Global Technology Company” by Thomson Reuters. We have earned this and many other accolades over the years for our dedication to serving the missions of our nation’s most important customers: U.S. Intelligence, Defense and Federal Civilian agencies. All know us as a trusted partner offering best-in-class solutions in cyber, data collection & analytics, enterprise IT, and systems and software engineering tailored to meet their specific requirements.
Become an integral part of a diverse team in the Mission, Cyber and Intelligence Solutions (MCIS) Group. Currently, ManTech is seeking a motivated, mission oriented Systems Administrator, in the Chantilly, VA area, with strong Customer relationships. At ManTech, you will help protect our national security while working on innovative projects that offer opportunities for advancement.
The IOS Division provides mission solutions to a wide range of Defense and Intelligence Community customers. This division consists of a team of technical leaders that deliver advanced technical solutions to government organizations. Our customers have high standards, are technically adept, and use our products daily to support their mission of protecting national security. Our contributions to our customer’s success is driving our growth.
The System Administrator will be responsible for providing a full range of IT support services to customer activities including client/server services and administration of enterprise network infrastructure. You will demonstrate a strong understanding of System/ Network administration functions in Windows Server 2012R2, Windows 7, and Linux environments including Active Directory, DNS, GPOs, hardening and auditing.
Responsibilities include, but are not limited to:
•Experience with virtualized environments (VMware vSphere 5.x) and knowledge of provisioning hardware, storage, resources and configuration/administration, including high-availability and failover services for cloud infrastructures.
•Configuration and O&M of RHEL 6/7, Ubuntu operating systems, and Linux based applications.
•Deployment of 2-factor authentication solutions.
•Knowledge in setup and configuration of VTC, VoIP, and Polycom technologies.
•O&M of Windows applications such as WSUS, Exchange, SharePoint, SCCM, Google Earth, and Splunk.
•Experience with RAIDs, SANs, High Availability, Backups and Disaster Recovery.
•Experience in configuring network switches, working with VLANs, and knowledge of routing protocols.
•Knowledge in security hardening of operating systems in a standalone environment as well as through GPOs.
•Research and obtain quotes for hardware/software based on customer requirements.
•Provide superior customer service; possess strong communication (verbal and written) and interpersonal skills in a dynamic customer centric environment.
Security Clearance Requirement:
Active/current TS/SCI with CI Polygraph is required.
•Bachelor's Degree (in Computer Science or related field) or equivalent, and 7+ years of relevant experience.
•DoD 8570 IAT Level II compliant (e.g. Security+ certification).
•Occasional travel may be required (up to 25%).
•Familiarity with security hardening process as it relates to ICD 503.
•Data backup knowledge is highly desired.
•Previous experience supporting the NRO is highly desired.
•VMware VCP, Microsoft MCP, and/or Cisco CCNS certifications desired.