USA, VIRGINIA, Chantilly Full-Time
Security Clearance: TS/SCI
Become an integral part of a diverse team that leads the world in the Mission, Cyber, and Intelligence Solutions group. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement. Currently, ManTech is seeking a motivated, career and customer oriented Sr. Systems Administrator to join our team in Chantilly, VA to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech. The Sr. Systems 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. •Provide limited support for IT asset management and property control processes in managing inventories of workstations, monitors, and other related IT infrastructure through the customers control systems •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 Requirement: Active/current TS/SCI with CI Polygraph is required.
10-12 years w/Bachelors Degree 07-09 years w/Masters Degree / Position Requirements: •Bachelor’s Degree in related field or equivalent, and 10+ years of 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.
ManTech International Corporation is comprised of approximately 7,300 talented employees who use advanced technology to help government and industry meet some of their greatest challenges around the world. We adhere to the simple, no-nonsense values on which ManTech was founded more than four decades ago, aligning squarely with the mission objectives of our customers. As our customer base continues to expand and diversify, we continue to diversify our workforce and solutions. Nearly half our employees have a military background, and approximately 70 percent hold a government security clearance. As a leading provider of innovative technology services and solutions for the nation's defense, security, health, space, and intelligence communities; we hold nearly 1,100 active contracts with more than 50 different government agencies.