Kellon Thomas
Network Administrator
Summary
Dynamic Network Administrator with proven expertise at Guyana Revenue Authority, enhancing network security and uptime through proactive maintenance and innovative solutions. Skilled in firewall management and network troubleshooting, I effectively collaborated with teams to implement disaster recovery plans, achieving significant improvements in system stability and user support efficiency.
Overview
14
14
years of professional experience
Work History
Network Administrator
Guyana Revenue Authority
11.2016 - Current
- Performed day-to-day LAN and WAN administration, maintenance, and support.
- Maintained network hardware and software and monitored network to support network availability to end users.
- Identified and immediately resolved issues with network devices.
- Installed, configured and supported local area network (LAN), wide area network (WAN) and Internet system.
- Established comprehensive network documentation to facilitate rapid issue resolution when troubleshooting problems.
- Maximized uptime by performing routine maintenance on servers, switches, routers, and other networking equipment.
- Collaborated with cross-functional teams in developing robust disaster recovery plans to safeguard critical systems and data.
- Implemented network security measures to minimize data loss.
- Enhanced network security through installation, monitoring, and maintenance of firewalls.
Systems Technician
Guyana Revenue Authority
12.2010 - 10.2016
- Collaborated with cross-functional teams to ensure seamless integration of new systems into existing infrastructure.
- Achieved significant improvements in help desk response times by reorganizing support ticket priorities according to urgency and impact.
- Enhanced network security with regular vulnerability assessments and implementation of necessary patches.
- Spearheaded the adoption of virtualization technologies, resulting in significant cost savings and improved resource utilization rates.
- Acted as a reliable point of contact for all IT-related matters, effectively resolving technical issues to maintain overall system stability and functionality.
- Supported IT end-user concerns using troubleshooting and root cause analysis to resolve issues.
Education
IT Network Security
Centre For Excellence in Information Technology
University Of Guyana07-2019
Bachelor of Science - Computer Science
University Of Guyana
05.2001 -
A+
Comptia
09-2012
Diploma in Computer Science
University Of Guyana
10-2010
Skills
Network troubleshooting
Wireless networking
Network systems installation
Switch configuration
VPN configuration
Firewall management
Network performance monitoring
Network security
Network security management
Network repairs and maintenance
VoIP systems
Disaster recovery
Network architecture
Load balancing
Timeline
Network Administrator
Guyana Revenue Authority
11.2016 - Current
Systems Technician
Guyana Revenue Authority
12.2010 - 10.2016
Bachelor of Science - Computer Science
University Of Guyana
05.2001 -
IT Network Security
Centre For Excellence in Information Technology
A+
Comptia
Diploma in Computer Science
University Of Guyana
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