IT Security Consultant & L1 Support Specialist & L2 Support Specialist & Linux Administrator & Network Administrator

Langjähriger nicht-professioneller Programmierer, der sich seit etwa 30 Jahren mit den Programmiersprachen Java, C, SQL und PHP beschäftigt. In seinem letzten Job arbeitete er als Infrastruktur-Ingenieur und verwaltete und konfigurierte das Linux-Software-Betriebssystem. Konfiguration und tägliche Analyse von Fortigate-Warnungen. Er hat Erfahrung in der Teamleitung. Er verwendet täglich die englische Sprache. Passives Verständnis von Deutsch und Russisch. Er würde gerne als Systemadministrator oder in der IT-Sicherheit arbeiten.

Security Specialist - 10/2021 - 06/2022

• Effective duration: 4 months
• Configure DDI and Checkpoint based on tickets
• Analyzing Fortigate and Checkpoint alerts on a daily basis
• Taking appropriate actions to avoid security incidents
• Scripting on demand
• Tools/Technologies used: Linux, Fortinet, Checkpoint, InfoBlox

Infrastructure Engineer - 07/2021 - 08/2021

• Effective duration: 2 months
• Configure Linux on demand, especially Apache
• Analyzing Fortigate alerts on a daily basis
• Taking appropriate actions to avoid security incidents
• Tools/Technologies used: Linux (CentOS 7), Apache, Fortinet

Security Specialist - 05/2021 - 06/2021

• Effective duration: 2 months
• Maintain Check Point firewalls on a daily basis
• Analyzing Check Point logs
• Analyzing user and server alerts using Microsoft Azure (Sentinel)
• Taking appropriate actions to avoid security incidents
• Tools/Technologies used: Check Point firewalls, Microsoft Sentinel (SIEM), Linux

Security Specialist - 10/2020 - 04/2021

• Effective duration: 6 months
• Installation policies on customer request
• Penetration tests
• Prophylaxes
• Analyzing alerts
• Taking appropriate actions to avoid security incidents
• Tools/Technologies used: ITIL, various ticketing systems, Check Point products, F5, Bash

Technical Consultant - 10/2017 - 07/2020

• Effective duration: 46 months
• Supporting customers during oncalls
• Proactive monitoring using various ticketing systems
• Supporting and troubleshooting all DC and security stuff on demand
• Installation of patches for systems in my responsibility
• Leading a small team of security experts

Infrastructure Administrator - 02/2017 - 09/2017

• Effective duration: 8 months
• On-demand configuration mainly of NetApps and Brocade switches
• NetApp troubleshooting (SAN/NAS) and MetroCluster
• Supporting EMC (VMAX, VPLEX)
• Providing patches, 7-mode and ONTAP
• Provisioning SAN/NAS

Senior Infrastructure Engineer - 01/2013 - 01/2017

• Effective duration: 49 months
• Supporting various storages during oncalls
• Proactive monitoring
• Supporting and troubleshooting NetApps worldwide
• Installation and providing patches
• Provisioning SAN/NAS

System and Application Administrator - 07/1998 - 12/2012

• Effective duration: 8 months
• On-demand configuration of various systems and applications
• Troubleshooting issues on infrastructure
• Taking appropriate actions to avoid security incidents
• Installation of systems and databases
• Installation of patches on all systems
• Support for Kondor+ in EMEA
• Installation and troubleshooting of Data Warehouse in EMEA
• System and security support for internet banking
• Participation in a network restructuring projec