Iraj Zargani - Senior System Administrator

Q: Where is Iraj based?

Iraj is based in Cologne, Germany .

Q: What languages does Iraj speak?

Iraj speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Iraj have?

Iraj has at least 22 years of experience. During this time, Iraj has worked in at least 14 different roles and for 17 different companies . The average length of individual experience is 1 year and 3 months . Note that Iraj may not have shared all experience and actually has more experience.

Q: What is Iraj's latest experience?

Iraj's most recent position is Senior System Administrator at Trützschler .

Q: What companies has Iraj worked for in recent years?

In recent years, Iraj has worked for Trützschler , BWI , and University Hospital Essen .

Q: Which industries is Iraj most experienced in?

Iraj is most experienced in industries like Transportation and Logistics , Information Technology (IT) , and Healthcare . Iraj also has some experience in Government and Public Administration , Pharmaceutical , and Manufacturing .

Q: Which business areas is Iraj most experienced in?

Iraj is most experienced in business areas like Information Technology (IT) , Operations , and Project Management . Iraj also has some experience in Customer Service .

Q: Which industries has Iraj worked in recently?

Iraj has recently worked in industries like Information Technology (IT) , Government and Public Administration , and Healthcare .

Q: Which business areas has Iraj worked in recently?

Iraj has recently worked in business areas like Information Technology (IT) and Operations .

Recommended expert

Cologne, Germany

Experience

May 2023 - Dec 2023

8 months

Hybrid

Senior System Administrator

Trützschler

Administration in a hybrid system environment
Second- and Third-Level Support
Incident and change management
Ticketing system and tools: Jira Cloud & Confluence, MS Teams
Exchange 2019/Outlook Online support
AD/AAD support; creating and assigning permissions via AD/AAD GPO groups
ARP-Guard (NAC) / network segmentation
Citrix Workspace
Distribution software support: Ivanti
Veeam backup system in the cloud (AWS)

Apr 2021 - Nov 2022

1 year 8 months

Senior System Administrator

BWI

Migration of Lotus Notes PBK, OBK and FreeTime & Busy to Exchange Groupware 2019
Installation of HCL Domino 11 Server in test and production environments within VADP (VMware)
Installation and configuration of the migration tool BCC (ADT control of migration jobs and MME)
Maintenance and further development of operation manuals and technical documentation
Support and monitoring of the BCC tool for mail migration and collaboration environment
Error analysis and handling of incidents during mail migration
Ticketing system: Maximo
Incident analysis and troubleshooting in MS Exchange back-office operations
Support for Outlook client and SMTP mail relays

Feb 2020 - Feb 2021

1 year 1 month

System Administrator specializing in Exchange administration

University Hospital Essen

Exchange Server/client administration for about 13,700 mailboxes
Technical consulting for specialists and managers
Handling of incidents and service requests (ticketing system: OTRS)
User support: Outlook 2016, OWA
Analysis and resolution of complex issues
Proactive monitoring of Microsoft Exchange Server environments
Adjustment of system configurations based on changes and creation of corresponding documentation
E-mail security gateway NoSpamProxy, spam filter, email tracking
Creation of reputation filters
Ticketing system: OTRS ITSM tool

Jan 2020 - Feb 2020

2 months

Exchange Administrator

Rheinland Insurance

Exchange on-premises 2016 and Exchange Online (Office 365)
Outlook 2019 and Outlook Office 365 support
Exchange PowerShell
Virtual environment: Citrix V7

Jun 2019 - Nov 2019

6 months

Bonn, Germany

System Administrator, Windows 10 migration

Federal Insurance Supervisory Authority

Testing peripheral drivers for Windows 10 compatibility and installation
Adding Windows 10 printer drivers on print servers
Software distribution with Matrix42 Empirum
Creating checklists for client provisioning
Configuration of disk encryption (Trusted Disk)
Import of certificates onto smart card for authentication

Aug 2018 - May 2019

10 months

System Administrator with focus on Exchange Administration

Progressive / Rheinenergie AG

Exchange Server administration 2013/2016 and Office 365
Outlook/OWA 2013/2016
Windows Server administration 2013/2016, Active Directory, DNS, DHCP, WSUS
Scripting with PowerShell
Secure Mail Gateway Clearswift
Cisco IronPort Email Security Appliance
Certificate creation, PKI, email encryption and digital signing
Skype for Business server administration
Incident and change management
Monitoring with SCOM 2012, PowerShell scripting
Project consulting and implementation of mail communication during domain takeovers
Ticketing system: ServiceNow

Apr 2017 - Jun 2018

1 year 3 months

System Administrator with focus on Exchange Administration / Infrastructure (Global)

Birkenstock GmbH & Co. KG

Windows Server administration 2013/2016, Active Directory, OUs, GPOs, GroupShare
Management of Windows clients 7/10
User and email account management
Exchange Server administration 2013 and Office 365
Creation of distribution and shared mailboxes, calendars and resources
Incident and change management, second- and third-level support
Network printers and print server
Creating certificates for remote access and Wi-Fi
SafeNet mobile device provisioning
International phone support (English)
Project work in infrastructure projects
Documentation creation
Installation and licensing of statistical software Minitab and documentation guide
Portable terminal devices: system installation and configuration of the FAT client
Providing internal Wi-Fi access for Citrix Receiver and SAP applications
Terminal server: Citrix XenApp, Citrix Receiver
Virtualization: VMware vCenter 6, XenApp storage

Mar 2014 - Dec 2016

2 years 10 months

System and Network Administrator

SD&T/DB Netz AG

Server administration: Windows 2008 R2, AD, DHCP, DNS
Monitoring and administration with Nagios
Network management with Cisco Prime
Network encryption: PKI, cryptography (crypto boxes)
Certification authority: Microsoft Enterprise CA
Virtualization: VMware v5
Backup with Symantec, storage virtualization, SAN
Switching & routing, VLAN
Subnetting: TCP/IPv4

Sep 2012 - Jan 2014

1 year 5 months

IT Consultant

Ranova

Project management: analysis, planning and coordination of network infrastructure for a new site
Server administration: Windows 2003, 2008 R2, AD, Exchange Server SBS 2008, server cluster, Windows XP, Windows 7
Monitoring with Icinga
Configuration of Siemens HiPath 3000 telephone system
Virtualization: vSphere Datacenter 5
Network administration: microwave links, MPLS routers, switching, gateway, VLAN
Firewall configuration: VPN and firewall rules (IPCop)
Support of medical systems: RIS from GE Healthcare, PACS from Medigration
TCP/IP settings for DICOM nodes in CT and MRI devices

May 2011 - May 2012

1 year 1 month

System Engineering

Gulp / Siemens AG

Installation and configuration of MS SCOM 2007/R2
Installation of RMS & MS based on SQL 2005
VMware Center 5
Deployment of SCCM 2007 SP2 management pack for SCOM 2007/R2
Creation of management groups & sub-groups
Design of management packs with rules & overrides
Agent deployment and integration of a software distribution server
Creation of alerts and notifications
Monitoring with SCOM 2007 R2

Mar 2011 - Apr 2011

2 months

System Administrator

Westhaus Consulting / Barmer GEK Health Insurance

System migration for the Barmer-GEK merger
Centralizing decentralized systems: migration to thin client/terminal server (Citrix)
Exchange 2003 and Outlook 2007
Data backup with Symantec PureDisk
Asset management with LANDesk

Aug 2010 - Dec 2010

5 months

IT Consultant

Quest / German Armed Forces

Server administration: Windows 2003, AD, TCP/IP, DNS, DHCP, DFS
Virtualization: VMware vSphere 4
Lotus Notes administration 6.5, 7.0
Monitoring: Nagios, Dameware, Event Log
Patch management: WSUS
Virus protection: Symantec Endpoint Protection Manager
Data backup with IBM TSM
Hardware: IBM servers, IBM BladeCenter, Fibre Channel, SAN, MS Server cluster

Feb 2010 - Jul 2010

6 months

Network Administrator

Bechtle / John Deere

User management in Active Directory
Exchange 2003/Outlook 2007 support and mailbox restoration
Creating custom functions in Outlook
Incident management in the CA UNI Center ticket system
Auditing and client defect checks with SCCM
Data backup with Veritas Backup System

Sep 2008 - Dec 2009

1 year 4 months

IT Consultant

VEGA / German Armed Forces

Administration in a heterogeneous network with AIX and Samba as PDC for Windows 2000
Windows Server administration and incident management (2nd/3rd level)
Error analysis, maintenance, and troubleshooting for network components (TCP/IP, DNS, WINS)
Data backup, software distribution, and client provisioning
Creating boot CDs
Connecting servers and clients to Tivoli and Windows domains
Setting up network printers
Central system management with Tivoli Management Framework 4.1.1
Monitoring with IBM Tivoli Monitoring 5.1 and WhatsUp
OS tools (Windows CMD), SSH access to AIX servers, VNC for remote access
Helpdesk and event tools: Peregrine ServiceCenter, Tivoli Enterprise Console 3.9
Lotus Notes support databases
Backup tools: Tivoli Storage Manager 5, Windows MS-Backup
Software distribution with IBM Tivoli Configuration Manager 4.2.3

Jan 2005 - May 2008

3 years 5 months

System Administrator

T-Systems / Deutsche Post AG

Server administration on Windows NT and Active Directory 2003 forest
Administering Exchange 5.5/2003 environment with 55,000 mailboxes on 80 servers
Migrating mailboxes from Exchange 5.5 to Exchange 2003
Outlook 2003 support, configuration, and PST recovery
Storage management and operations monitoring with ServerAlive and Compaq Insight Manager
Remote and on-site issue resolution
Data backup with Legato Networker and SecureCopy
Incident and problem management via Remedy
3rd level helpdesk support
Network printer administration
Updates and hotfixes, group policy creation
User management: migrating from NT4 to Windows XP/2003, shares and mailboxes, permissions
Automatic drive mapping and Deutsche Post tools
Mailbox recovery, user profile management, user moves
Job management and SQL 2005 database maintenance

Jul 2002 - Dec 2004

2 years 6 months

Second Level Support

T-Systems / Deutsche Post AG

Support and administration of client/server environment (Windows XP, MS Office XP, Internet/Intranet)
Outlook 2003 and Global Access/Online Connect
SAPGUI support version 4.7 and 6.2
Workplace organization and procurement of hardware and software
Security updates and antivirus protection for Windows XP
Rollout and client migration from NT4 to XP
Image creation and software distribution with Norton Ghost
Remote software delivery with OnCommand CCM and Empirum
Backup, data recovery, troubleshooting

May 2000 - Apr 2002

2 years

Remote

Remote Service (Second Level Support)

GE Compunet / Bayer AG

Error logging, analysis, and troubleshooting
Software deployment and remote control with Tivoli
Hardware and software support (Windows NT, 2000, MS Office 97)
SAPGUI 4.7 support
IBM 3270 host emulation
Lotus Notes Domino server administration and configuration R5
Domino directory and domain management
SMTP routing, replication, and database management
ID management (server and user IDs)
Account management and database maintenance
Password recovery and replica creation

Apr 1999 - Apr 2000

1 year 1 month

System Technician / Network Design

debis AG / HypoVereinsbank AG

System migration from OS/2 to Windows NT 4.0
Design and planning of network expansion and server rooms with NT4 WS/S and Cisco routers
Preliminary planning of software deployment and TCP/IP addressing
Technical solution consulting for hardware and software

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Transportation (8.5 years), Information Technology (7.5 years), Healthcare (2.5 years), Manufacturing (2 years), Government and Administration (2 years), and Pharmaceutical (2 years).

Transportation

Information Technology

Healthcare

Manufacturing

Government and Administration

Pharmaceutical

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (22 years), Operations (6 years), Project Management (2 years), and Customer Service (2 years).

Information Technology

Operations

Project Management

Customer Service

Languages

German

Native

English

Advanced

Education

Oct 1995 - Feb 1998

EDV-Schulung GmbH COMDA

Data processing clerk · Data processing clerk · Augsburg, Germany

Mar 1990 - Jul 1992

Technical Vocational Training Center

Communications electronics technician · Communications electronics technician · Germany

Oct 1982 - Oct 1987

University of Applied Sciences Munich and Düsseldorf

Electrical engineering · Düsseldorf, Germany

...and 3 more

Certifications & licenses

ITIL (Service IT Management)

Lotus Notes Domino Administrator (R5.5)

MCSA: Windows Server 2012

MCSE Messaging on Windows Server 2003 (English)

MCSE Security on Windows Server 2003 (English)

MCSE on Windows Server 2003 (English)

MCTS Microsoft Certified Technology Specialist (English)

Telent: Operation of KISA security center

Z1 Zertifikon: Creating certificates, PKI, email encryption and digital signing

Profile

Created

February 2024

Last Update

July 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Iraj based?

Iraj is based in Cologne, Germany.

What languages does Iraj speak?

Iraj speaks the following languages: German (Native), English (Advanced).

How many years of experience does Iraj have?

Iraj has at least 22 years of experience. During this time, Iraj has worked in at least 14 different roles and for 17 different companies. The average length of individual experience is 1 year and 3 months. Note that Iraj may not have shared all experience and actually has more experience.

What roles would Iraj be best suited for?

Based on recent experience, Iraj would be well-suited for roles such as: Senior System Administrator, System Administrator specializing in Exchange administration, Exchange Administrator.

What is Iraj's latest experience?

Iraj's most recent position is Senior System Administrator at Trützschler.

What companies has Iraj worked for in recent years?

In recent years, Iraj has worked for Trützschler, BWI, and University Hospital Essen.

Which industries is Iraj most experienced in?

Iraj is most experienced in industries like Transportation and Logistics, Information Technology (IT), and Healthcare. Iraj also has some experience in Government and Public Administration, Pharmaceutical, and Manufacturing.

Which business areas is Iraj most experienced in?

Iraj is most experienced in business areas like Information Technology (IT), Operations, and Project Management. Iraj also has some experience in Customer Service.

Which industries has Iraj worked in recently?

Iraj has recently worked in industries like Information Technology (IT), Government and Public Administration, and Healthcare.

Which business areas has Iraj worked in recently?

Iraj has recently worked in business areas like Information Technology (IT) and Operations.

What is Iraj's education?

Iraj attended EDV-Schulung GmbH COMDA for Data processing clerk.

Does Iraj have any certificates?

Iraj has 9 certificates. Among them, these include: ITIL (Service IT Management), Lotus Notes Domino Administrator (R5.5), and MCSA: Windows Server 2012.

What is the availability of Iraj?

Iraj is immediately available full-time for suitable projects.

What is the rate of Iraj?

Iraj's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.