Gabriel Wannamaker
North Augusta
Summary
Experienced and knowledgeable Information Technology Administrator with six years of hands-on experience configuring, troubleshooting, and maintaining classified and standard networks. Skilled in the installation, configuration, and decommissioning of Cisco Routers, Switches, Firewalls, and Encryption Devices. Adept at working collaboratively with cross-functional teams to resolve technical issues and ensure the smooth functioning of network infrastructure. Holds an active DoD TS/SCI with Polygraph Clearance and is certified in CompTIA Advanced Security Practitioner and CompTIA Security+ CE.
Overview
5
5
years of professional experience
1
1
Certification
Work History
SYSTEM ADMINISTRATOR
UNITED STATES ARMY, DEPARTMENT OF DEFENSE
08.2022 - Current
- Enhanced system performance by optimizing server configurations and implementing regular updates.
- Reduced downtime by proactively identifying and resolving potential issues through thorough system monitoring.
- Improved security measures by conducting vulnerability assessments and applying necessary patches.
- Collaborated with IT team to develop and implement comprehensive disaster recovery plans, ensuring minimal data loss during critical incidents.
- Supported the implementation of new technologies by providing technical expertise and training to colleagues as needed.
- Managed user access rights to maintain a high level of information security while ensuring appropriate levels of accessibility for authorized personnel.
SR. INFORMATION TECHNOLOGY SPECIALIST
UNITED STATES ARMY, DEPARTMENT OF DEFENSE
08.2021 - 05.2022
- Streamlined IT operations by implementing efficient processes and procedures, and optimizing system performance.
- Supervised the installation, operation, and deployment of electronic IP nodal assemblages and associated equipment.
- Performed and assisted employees in executing network, network protection, COMSEC operations, and associated technical tasks.
- Trained over 10 support colleagues in Department of Defense (DOD) technology practices and procedures.
- Configured and troubleshooted DNS (domain name system), and remote access toolkits, and maintained Active Directory (AD).
- Performed on-site LAN/WAN/WLAN/VPN/Network security, cabling, and racking.
- Diagnosed and troubleshot hardware, software, and network issues.
HELP DESK TECHNICIAN
UNITED STATES ARMY, DEPARTMENT OF DEFENSE
05.2019 - 08.2021
- Enhanced customer satisfaction by resolving technical issues in a timely and efficient manner.
- Streamlined help desk processes for increased productivity and improved response times.
- Improved user experience with proactive system maintenance and updates.
- Configured and troubleshooted DNS (domain name system), and remote access toolkits, and maintained Active Directory (AD).
- Conducted regular training sessions to improve employee technical knowledge and skills.
- Managed and administered a variety of Information Technology products and services including VMWare ESXI, VoIP (Voice over Internet Protocol) telephones, Office 365 Exchange, McAfee, and VPN user accounts.
Education
Bachelor Of Business Administration - Management Information Systems
Augusta State University
Augusta, GA05.2014
Skills
- Virtual Machines (VMWARE)
- DNS/DHCP
- ESXI
- TCP/IP
- Active Directory (AD) Group Policy (GPO)
- SolarWinds
- Windows/Windows Server
- Exchange Server
- Firewalls
- Virtualization
- Microsoft Office 365
- Familiar with Linux programming for automation and scripting
Certification
- CompTIA Advanced Security Practitioner (CASP+) - November 2021
- CompTIA Security+ - July 2019
Timeline
SYSTEM ADMINISTRATOR
UNITED STATES ARMY, DEPARTMENT OF DEFENSE
08.2022 - Current
SR. INFORMATION TECHNOLOGY SPECIALIST
UNITED STATES ARMY, DEPARTMENT OF DEFENSE
08.2021 - 05.2022
HELP DESK TECHNICIAN
UNITED STATES ARMY, DEPARTMENT OF DEFENSE
05.2019 - 08.2021
Bachelor Of Business Administration - Management Information Systems
Augusta State University
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