Network Administrator

Der Kandidat ist seit 2005 im IT-Bereich tätig. Er hat Erfahrung in der Verwaltung und Gestaltung von Computernetzwerken. Er konzentriert sich auf die Verwaltung einer Vielzahl von Netzwerkgeräten und -technologien, darunter Cisco, Check Point, F5, Mikrotik, Ubiquiti und andere. Er hat Erfahrung mit der Überwachung der Infrastruktur und der Lösung von Benutzeranforderungen. Er hat mit allem gearbeitet, von Switches bis zu Checkpoint und Firewalls. Er hat auch Erfahrung in der Diagnose von Glasfaserkabeln. Er hat mehrere Zertifizierungen und möchte auch einen Kurs zur Messung von Rechenzentren absolvieren. Er kann sich schriftlich auf Englisch verständigen, da er es nicht aktiv benutzt, wäre es für ihn ein Problem, Englisch zu sprechen.

September 2021 - Present: Network administrator

• Network management of various devices, including Check Point, F5, and Cisco.
• Handling complete Check Point management tasks such as VPN, S2S tunnels, rules, etc.
• Designing and implementing projects according to client requirements.
• Creating backup and recovery plans for clients.
• Documentation maintenance.

June 2020 - August 2021: Administrator

• Network device management including CISCO, Mikrotik, Ubiquiti, Kerio, etc.
• Project design and implementation based on client demands.
• Monitoring corporate and client infrastructure.Handling Linux, Microsoft servers, and virtualization hypervisors VMware ESX and Hyper-V.
• Building optical networks for customers.
• User request resolution.
• Documentation upkeep.

July 2019 - June 2020: Administrator

• Network device management including CISCO, Mikrotik, Ubiquiti, Kerio, Sophos.
• Monitoring corporate infrastructure.
• Network supervision.
• Caring for Linux and Microsoft servers and virtualization servers VMware ESX.
• Backup and restore plan creation for servers, network devices, and databases.
• Deployment of Zabbix monitoring.
• User request resolution.
• Documentation maintenance.

September 2018 - July 2019: Senior System Network Administrator

• Network device management including CISCO, Cisco WLC, Checkpoint, Huawei, Fortinet, F5.
• Addressing internal requests and participating in company projects.
• Monitoring corporate infrastructure.
• Maintaining up-to-date technical documentation.

May 2016 - August 2018: Network Administrator

• Network device management including CISCO, Mikrotik, Ubnt, Dasan.
• Conducting network audits, proposing and implementing network revitalization for clients.
• Designing and constructing data networks, computer networks, passive and active components.
• Building optical networks, measuring and splicing optical fibers.
• Monitoring corporate infrastructure.
• User request resolution.
• Documentation upkeep.
• Network vigilance.
• Basic care for Linux servers and virtual servers running on KVM.

January 2008 - August 2016: Technic optical networks

• Building data networks, computer networks, installation of passive and active network components.
• Optical fiber splicing using various splicers.
• Measuring optical fibers using OTDR and direct methods.
• Optical cable sealing.
• Network maintenance.

January 2008 - May 2016:Administrator

• Overseeing local network management, LAN infrastructure design.
• Managing optical network operations and development.
• Ensuring optical network expansion, vendor and manufacturer selection.
• Responsibility for the network, server, and software of the city of Trnava.
• Network supervision and user request resolution. Documentation creation and maintenance. Network vigilance.
• Care for Linux and Microsoft servers and VMware ESX virtual servers. Backup using Veeam.

January 2007 - January 2008: IT

• Operating information systems.
• Building and maintaining a computer network.
• Managing the city of Trnava's website. Implementing new ICT projects in the city.
• Infrastructure management of the city of Trnava.
• Care for Linux and Microsoft servers and VMware ESX virtual servers.

January 2005 - January 2007: Freelance

• Building optical, metallic, and wireless networks.
• Network management and basic server maintenance.
• User creation and management for local ISPs.
• Web page creation and management