Khalid A. - System Administrator

Hattersheim am Main, Germany

Experience

Apr 2024 - Sep 2024

6 months

Processing 1st, 2nd and 3rd level tickets
Analyzing, resolving and documenting incidents and service requests as part of incident and SLA management via KIX (OTRS) ticket system
Monitoring and managing networks and servers, configuring network interfaces, managing servers (Wallix & Zabbix)
User support: Helping end users with technical issues and adapting to new systems
Creating and maintaining documentation for IT systems, network configurations and processes
Software installation and maintenance: Installing, configuring and maintaining operating systems, applications and license management (Empirum, MS365, Admin Center / Exchange)
Data backup and tape changes (backup and recovery)
Configuring antivirus software, applying security updates and patches (Matrix42 Patch management)
User administration: Creating, modifying and deleting user accounts and access permissions (AD / Azure)

Jan 2023 - Dec 2024

2 years

Processing 2nd and 3rd level tickets through the Jira ticket system, troubleshooting hardware and software
Monitoring and management: Monitoring storage performance, capacity and availability (NetApp ONTAP System Manager / Active IQ Unified Manager / Harvest and Grafana)
Backup and restore: Implementing backup and restore solutions (SnapCenter)
Reprogramming and activating RFID chips
Reviewing and approving quarantine emails
Setting up VPN using Sophos Connect
Configuring ZMI terminals
Setting firewall/router rules on Fortinet FortiGate
Managing Wallix servers and requests
Checking Zabbix functionality

Jan 2022 - Dec 2023

2 years

Jan 2021 - Dec 2022

2 years

System administration
ServiceNow ticket system
Network cabling and patch panel installation
System administration
Provisioning new devices
Replacing hardware
Maintaining and further developing OPS5 system applications and low-level routines
Adjusting drivers and integrating new drivers
Installing, restoring and troubleshooting in the client environment
Azure AD management
Scripting with PowerShell
Macros and Word add-ins
VBS/VBA experience
Silent installation and AutoHotkey
Maintaining and deploying the Windows PXE routine

Jan 2018 - Dec 2021

4 years

On-site

Analyzing, resolving and documenting issues and changes via tickets (OTRS) as part of incident and change management; ECOS bootstick support
1st and 2nd level support of the IT infrastructure
Managing and monitoring server/client environments and virtualization technology (Citrix, Igel Client, VMware)
Assigning network configurations to clients with DHCP and DNS
Client management, deployment, software distribution and packaging with OPSI
Admin support for Microsoft Office and specific user software
Supporting rollout and provisioning of new devices

Jan 2009 - Dec 2017

9 years

Workstation relocations
Sales, IT consulting and service requests
Repair, installation and configuration of PC systems and mobile devices
Installation and configuration of operating systems and Windows servers
Coordinating tasks for firewall and router configuration changes, ensuring connectivity
Performing upgrades, repairs and modifications for existing systems, including component replacements
Troubleshooting Windows and Windows servers
Performing routine maintenance
Inspecting and cleaning devices
Remote support by phone and on-site assistance
Connecting to existing networks and setting up DSL
Upgrading to Windows 10 (upgrade, clean installation)
Installing and configuring routers (including Wi-Fi)
Network cabling and patch panel installation
Installation and troubleshooting of peripheral devices
Supporting laptops at end users' workstations
Providing on-site user support