Senior System Administrator -DPED Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local What You'll Get to Do: CACI is seeking to hire a Senior Systems Administrator to support our DPED work as part of our INSCOM G4GIL contract in Reston, VA. More About the Role: * Ensure computer servers and workstations operate at optimal performance and capacity: configure routers, gateway protocols, and multiple local area networks (LAN) and wide areas network (WAN) topologies such as bridges, token rings, point to point, fiber optic, thin-net and thick-net applications. * Daily management of site network and computer systems such as user administration, backup and user accounts management. Enforce server and workstation configuration standards. * These networks can include satellite or other special intelligence networks. * Troubleshoot and monitor performance of cryptographic/encryption items. * Administer UNIX, LINUX and Microsoft servers supporting Internet, email, and video teleconferencing services. * Administer user account information, performance monitoring/tuning, data backups and restoration, system and network troubleshooting. * Monitor all networks using network management software. * Plan and install operating system and application software upgrades and enhancements. Test, install and maintain software tools and utilities. * Provide customer service to troubleshoot and resolve problems. * Supports US Army IT systems on site whenever and wherever deployed. Available to deploy to other countries and/or theaters to perform quick reaction technical support to US forces worldwide military contingency missions and requirements in potentially hazardous work environments. You'll Bring These Qualifications: * Bachelor's Degree in Computer Science or Management Information Systems or related field from an accredited college/university or equivalent and six years of demonstrated experience in the System Administration field and certification shall include but not limited to at least three of the following: * MS Windows Certification * CCNA * VMWare Certified Professional (VCP) * NetApp * CISCO * IAT Tier I Certification * Expert level knowledge of current version of Scripting, UNIX System Administration, Windows NT administration, LAN/WAN, Networking Protocols and Domain Name Service. * Must be familiar with LAN-based video teleconferencing standards and streaming video-on- demand. * Understanding of multimedia and internet-based messaging such as voice, e-mail, universal messaging over standard platforms. * Experience with network analyzers, probes and protocol diagnostics. * Expert level knowledge of TCP/IP internals, routing, addressing, sub-netting and design issues of routers, hubs etc. * Knowledge of security operations such as security safeguards administration, access filter definition and penetration testing. * Expert level ability to implement network security control services such as firewalls and advanced Authentication Systems. * Expert level administration experience on current version of satellite, database, UNIX and MS NT server and Exchange Messaging systems. Recent experience troubleshooting encryption devices. * Able to attain current required certifications/clearance requirements for working on a DOD network. These are identified by site and network. * Demonstrated experience with Network Interface Systems, Network File System and Open System Interconnect. * Fluent in the English Language (written/oral). * Active TS/SCI with CI Poly clearance is required What We Can Offer You: * We've been named a Best Place to Work by the Washington Post. * Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. * We offer competitive benefits and learning and development opportunities. * We are mission-oriented and ever vigilant in aligning our solutions with the nation's highest priorities. * For over 55 years, the principles of CACI's unique, character-based culture have been the driving force behind our success. Company Overview: At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities. As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.