Sean Giehl's Email Addresses & Phone Numbers

Certified system administrator with over seven years of experience within the Department of Defense and the intelligence information technology community. Efficient in Windows and UNIX/Linux environments, to include complex system configuration, maintenance, and troubleshooting. Experience with network administration, system administration, and data transfer solutions. Robust background in delivering customer oriented help desk support, trouble ticket , and...

Certified system administrator with over seven years of experience within the Department of Defense and the intelligence information technology community. Efficient in Windows and UNIX/Linux environments, to include complex system configuration, maintenance, and troubleshooting. Experience with network administration, system administration, and data transfer solutions. Robust background in delivering customer oriented help desk support, trouble ticket , and service request resolution.NOC Shift Lead @ Provide daily leadership of the NOC team, including supervision of all NOC personnel, managing task assignments, and scheduling resources Identify and verify service impact to customers, and dispatch subject matter experts in support of problem resolution; Communicate with internal and customer-facing teams in support of status updates regarding open issues, and implement actions in support of root cause analysis and problem remediation Cradle to grave operations installing the operating system, software applications and security updates to meet the customer’s needs (Windows XP/Vista/7) Transfer files across multiple domains, supporting the needs of multiple government departments and agencies, utilizing proven authorized standard operating procedures. Prepare shift briefs, trend analysis, and situation reports for department and command upper level decision makers Utilize Enterprise Service Center ticketing system, to provide customer automation support to resolve end user problems Oversee the development and maintenance of standard procedures related to server and network operating, monitoring and administration and lead the team by providing direction and guidance to team members while handling issues Interface with other IT support teams, local and remote, to work on standards, accept new scope into the NOC From November 2013 to Present (2 years 2 months) Network/System Administrator @ System administrator / Help Desk Technician 2012-2013 Operation Enduring Freedom, Afghanistan / Camp Pendleton, CA Managed and maintained over 150 users over 5 secure and unsecure networks an operational forward deployed environment. Resolved issues surrounding computer hardware, software, network, and telecommunications systems while demonstrating expertise in customer service and technical knowledge System administrator 2010-2012 Operation Enduring Freedom, Afghanistan Managed system resources, user accounts, E-mail, security updates and applications on Windows Server 2003/2008. Planned, designed and installed a network infrastructure for 3 secure networks in a sensitive compartmented information facility. Help Desk Technician 2008-2010 Camp Pendleton, CA Provided Tier I and II help desk support to over 300 users across multiple unclassified and classified data networks and VOIP systems while frequently achieving fast resolution. Re-imaged laptops, granted file/folder permissions in active directory, reset passwords. From December 2008 to December 2013 (5 years 1 month) Bachelor’s Degree, Information Technology, 3.7 / 4.0 @ Capella University From 2014 to 2017 Associate's Degree, Business Administration and Management, General @ Modesto Junior College From 2006 to 2008 Sean Giehl is skilled in: System Administration, Network Administration, Satellite Communications, Network Security, Signals Intelligence, Server Administration, Hyper-V, User Administration, Help Desk Support, Security+, CompTIA, Network Engineering, Information Assurance, Networking, Security Clearance