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Thomas S.-IT Consultant

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Kaltenkirchen, Germany

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Experience

Jul 2020 - Present
Germany

IT Consultant

Public Sector / SÜ2

Position summary
IT Consultant at Public Sector / SÜ2
Industries
Government and Administration
Business areas
Information Technology
Operations
  • Operation of VMware, Veeam and further development of the system
  • Implementation of BSI requirements in the design/construction
  • Control and analysis of the VMware environment using PowerShell scripts
  • Working according to ITIL processes
  • Version control of scripts with TortoiseSVN
Sep 2019 - May 2020
Düsseldorf, Germany

IT Consultant

Metro AG

Position summary
IT Consultant at Metro AG
Industries
Retail
Business areas
Information Technology
  • P2V of approx. 50 hosts
  • Operation of the global VMware environment
  • Migrations, redesign and troubleshooting
  • Design and Proof of Concept for NSX-T
  • Lifecycle management with vRA
  • Monitoring of the environment with vROps
  • Control and analysis of the VMware environment using PowerShell scripts
Jun 2019 - Aug 2019
Munich, Germany

IT Consultant

Kassenärztliche Vereinigung Bayerns

Position summary
IT Consultant at Kassenärztliche Vereinigung Bayerns
Industries
Healthcare
Business areas
Information Technology
  • Operation of vCenter, ESXi, vSAN, Horizon and AppVolume
  • Monitoring of the environment with vROps
  • Troubleshooting with Log Insight
Apr 2019 - May 2019
Hamburg, Germany

IT Consultant

Lantana

Position summary
IT Consultant at Lantana
Industries
Information Technology
Business areas
Information Technology
  • Troubleshooting VMware Horizon
  • Upgrade of Horizon to Version 7.8
  • Upgrade of vCenter and ESXi to 6.7
Feb 2018 - Mar 2019
Düsseldorf, Germany

IT Consultant

Metro AG

Position summary
IT Consultant at Metro AG
Industries
Retail
Business areas
Information Technology
  • Redesign of the vCenter environment and NSX
  • Migration from VMware 5.1/5.5 to 6.7 (2000 Hosts, 19000 VMs, 900 Locations)
  • Upgrades, vSAN and NSX design
  • P2V, V2V, Guest Introspection and McAfee MOVE
  • Programming of various control tasks in PowerShell
  • Monitoring of the installation with vROps
  • Troubleshooting with Log Insight
  • Design and Proof of Concept for NSX-T
Jul 2017 - Dec 2017
Hamburg, Germany

IT Consultant

Körber AG

Position summary
IT Consultant at Körber AG
Industries
Information Technology
Business areas
Information Technology
  • Streamlead WAN Migration
Nov 2014 - Jun 2017
Hamburg, Germany

IT Consultant

OTTO GmbH & Co KG

Position summary
IT Consultant at OTTO GmbH & Co KG
Industries
Retail
Business areas
Information Technology
  • Administration of the existing VMware ESX 5.5 environment and removal of vCloud Director
  • Redesign of the VMware farms and migration of VMs to the new farms
  • Preparation for the migration to NSX
  • Programming of a complex Excel analysis of VMware in PowerShell
  • Programming of various control tasks in PowerShell
  • Design and Proof of Concept NSX-V
Sep 2013 - Sep 2014
Hamburg, Germany

IT Consultant

Wincor Nixdorf Portavis

Position summary
IT Consultant at Wincor Nixdorf Portavis
Industries
Information Technology
Business areas
Information Technology
Operations
  • Administration of the existing VMware ESX 3.5 & 4.1 environment
  • Design, setup and operation of a new VMware ESXi 5.1 environment in four data centers (approx. 60 hosts in Germany, 7 hosts in the USA)
  • Planning and execution of the migration of approx. 700 server VMs from 3.5/4.1 to 5.1, including coordination with the end customer
  • 2nd Level Support and on-call duty
  • Administration of Linux and Windows servers
  • Design and setup of two data centers in New York
  • Commissioning of two NAS systems (NetApp FS2400) à 50 TB
  • Setup of CIFS filers including mirroring and data porting
  • Setup of NFS shares for VMware and server virtualization
  • P2V, V2V and administration of Linux- and Windows-based servers
  • Administration of the Cisco 6xxx switches and the HP Bladecenter
Jul 2012 - Aug 2013
Hamburg, Germany

IT Consultant

Germanischer Lloyd SE

Position summary
IT Consultant at Germanischer Lloyd SE
Industries
Professional Services
Business areas
Information Technology
  • Administration of the existing VMware ESX 3.5 environment
  • Design, setup and operation of a new VMware ESXi 5 environment in two data centers
  • Planning and execution of the migration of approx. 900 server VMs from ESX 3.5 to 5.0, including coordination with the specialist departments
  • Administration of the LUNs on several HP 3PAR systems and the Fibre Channel switches
  • Monitoring of data backups (Legato, Data Domain, Tapelibrary)
  • 2nd Level Support and on-call duty
  • P2V and administration of Linux and Windows servers
  • Administration of the Cisco 650x switches and the HP Bladecenter
Feb 2012 - May 2012
Hamburg, Germany

IT Consultant

Stadtreinigung Hamburg

Position summary
IT Consultant at Stadtreinigung Hamburg
Industries
Government and Administration
Business areas
Information Technology
Project Management
  • Troubleshooting of a VMware 5 farm with VDI and development of an action plan to resolve the issues
  • Interim management of a team
Sep 2010 - Dec 2011
Widen, Switzerland

IT Consultant

SIKA Informationssysteme AG

Position summary
IT Consultant at SIKA Informationssysteme AG
Industries
Information Technology
Business areas
Information Technology
Operations
Project Management
  • 2nd and 3rd Level Support in the areas of networking, IPsec, MPLS, QIP and VPN
  • Migration of all 340 site connections worldwide from IPsec to MPLS
  • Troubleshooting while on call
  • Design for various projects and technical project management
  • Provider management and coordination
Oct 2009 - Feb 2010
Bern, Switzerland

IT Consultant

Software House

Position summary
IT Consultant at Software House
Industries
Information Technology
Media and Entertainment
Business areas
Customer Service
Information Technology
  • Further development and support of publishing software
  • Software versioning with PVCS
  • Further development of the existing software in Visual Basic
  • Customer support by telephone and remote maintenance, including troubleshooting and software distribution
Jul 2009 - Oct 2009
Germany

IT Consultant

Mineral Oil Company

Position summary
IT Consultant at Mineral Oil Company
Industries
Energy
Business areas
Information Technology
  • Preparation of a concept for migration from Novell to Microsoft
  • Design of a strategy to migrate the NetWare-based IT environment to a Microsoft environment with uninterrupted migration of clients and servers
  • Virtual operating environment for the new server environment
  • Setup of the Microsoft environment and connection of both environments via IDM/DirXML
  • Migration of business-critical systems
  • Implementation of changes via change and risk management
May 2008 - Jun 2009
Germany

IT Consultant

Outsourcer / Shipping Company

Position summary
IT Consultant at Outsourcer / Shipping Company
Industries
Information Technology
Business areas
Information Technology
Operations
Project Management
  • Planning, relocation and subsequent operation of 16 Novell servers in a data center
  • Concept for relocating 6 Novell clusters and 4 standalone servers with application data with minimal downtime
  • Operation of the systems during the transition period in accordance with ITIL processes
  • Relocation of all NetWare- and Linux-based Novell servers to the new data center
  • Data migration from the customer's SAN EMC CX 400/600 to the outsourcer's SAN EMC DX
  • Bidirectional exchange of users, passwords and group memberships, as well as setup of a Single Sign-On
  • Porting of services from eDirectory to Active Directory
  • Planning, execution and monitoring of relocations via ticket and change management systems
  • Monitoring, evaluation and reporting of results
  • SLA monitoring
Jun 2007 - Apr 2008
Hamburg, Germany

IT Consultant

Staffing Service Provider

Position summary
IT Consultant at Staffing Service Provider
Industries
Information Technology
Professional Services
Business areas
Information Technology
Project Management
  • Setup and training of an IT department with helpdesk and ticketing system
  • Planning and execution of the headquarters relocation
  • Planning and construction of a redundant IP network based on Nortel 55xx Layer-3 switches for data and VoIP
  • Seamless transfer of all sites to a new VPN provider
  • Requirements gathering for the migration of commercial payroll software and acceleration of payroll processing
  • Planning and setup of a VMware environment with several EMC CX 600 systems
  • Administration of LUNs and replication to additional sites
  • Setup of the Microsoft environment alongside the existing Novell environment
  • Bidirectional exchange of user accounts, passwords and group memberships, as well as Single Sign-On
  • Porting of services from eDirectory to Active Directory
  • Establishment of a ticket and change management system
Jun 2003 - May 2006
Hanstedt, Germany

IT Consultant

Deerberg GmbH

Position summary
IT Consultant at Deerberg GmbH
Industries
Fashion
Retail
Business areas
Information Technology
  • Operation and expansion of the existing server and application environment
  • Connecting the locations via leased line
Jan 2003 - Jun 2006
Lüneburg, Germany

IT Consultant

Sparkasse Lüneburg

Position summary
IT Consultant at Sparkasse Lüneburg
Industries
Banking and Finance
Business areas
Information Technology
Operations
  • Operation of the Novell servers and backup systems
  • Maintenance and upkeep of the existing IT environment
Apr 2000 - Jun 2006
Hamburg, Germany

IT Consultant

Blohm & Voss Industrietechnik GmbH

Position summary
IT Consultant at Blohm & Voss Industrietechnik GmbH
Industries
Manufacturing
Business areas
Information Technology
  • Operation and further development of the Novell network and groupware solution
  • Automatic software distribution
  • Setting up an Active Directory and consolidating IP-based services on Linux systems
Apr 1999 - Jun 2001
Hamburg, Germany

IT Consultant

Universitätskrankenhaus Hamburg Eppendorf Bluttransfusionsdienst

Position summary
IT Consultant at Universitätskrankenhaus Hamburg Eppendorf Bluttransfusionsdienst
Industries
Healthcare
Business areas
Information Technology
  • Setting up and operating a Novell SFT III server system
Jun 1996 - Aug 2006
Hamburg, Germany

IT Consultant

Transwaggon GmbH

Position summary
IT Consultant at Transwaggon GmbH
Industries
Transportation
Business areas
Information Technology
  • Setting up, operating and further developing a Europe-wide Novell-based IT solution with groupware, software distribution and automated workstation setup
  • Training the company's internal IT staff
  • Planning and setting up a local network between locations with automatic failover via VPN
  • Providing dial-in access via VPN
  • Setting up and operating a standardized router, DMZ and firewall solution
  • Designing and setting up two mirrored EMC CX 400 systems and administering them
Mar 1996 - Mar 1999
Pinneberg, Germany

IT Consultant

Kreiskrankenhaus Pinneberg

Position summary
IT Consultant at Kreiskrankenhaus Pinneberg
Industries
Healthcare
Business areas
Information Technology
  • Maintenance and troubleshooting of the Novell servers and connected workstations
Aug 1992 - Oct 2000
Rellingen, Germany

IT Consultant

ELNA GmbH

Position summary
IT Consultant at ELNA GmbH
Industries
Information Technology
Professional Services
Business areas
Information Technology
Operations
  • Setup and operation of a groupware and software distribution solution
  • Connecting the branches via multiprotocol router or VPN
  • Continuous expansion, operation, and troubleshooting
  • Connecting and administering the AS/400 in the Novell network

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Professional Services, Transportation, Retail, Government and Administration, and Manufacturing.

Information Technology
Professional Services
Transportation
Retail
Government and Administration
Manufacturing
Profile match chart

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Project Management, and Customer Service.

Information Technology
Operations
Project Management
Customer Service
Profile match chart

Skills

Training

  • Mathematical And Technical Assistant
  • Business Information Systems Specialist
  • Novell Cne
  • Vmware Vcp5, Nsx-V, Nsx-T, Horizon
  • Firewall Administrator
  • Itil V3 Foundation

Courses

  • Vmware Vsphere, Esx(I), Vcsa, Nsx-V/T

Technical Skills

  • Vmware Vra, Vrops, Horizon, Appvolume, Veeam
  • Mcafee Move, Trend Micro Deepscan
  • Ms Windows Up To Windows 2016 / Windows 10
  • Ms Sql Server Up To 2008
  • Ms Exchange Up To 2010
  • Ms Active Directory
  • Ms Terminal Services
  • Linux: Suse, Redhat
  • Tortoisesvn, Pvcs (Micro Focus)
  • Vital Qip, Dns, Dhcp, Vpn, Ipsec, Ospf, Mpls, Xdsl
  • Firewall
  • Novell Netware, Oes, Idm, Groupwise, Zenworks, Bordermanager
  • Citrix Metaframe Up To Version 4
  • Emc Cx & Hp 3par Storage Solutions
  • Brocade San Switches
  • Experience With Cisco, 3com & Nortel
  • Backup Solutions: Tivoli, Commvault, Arcserve, Backupexec, Legato
  • Ticket Systems: Otrs, Omnitracker, Ontrack, Remedy

Programming

  • Powershell, Vb, Pl/1, C, Delphi, Cobol, Rpg Ii/Iii, Wsu, Sql

Additional Skills

  • Teaching Activities
  • Executive Management, Personnel Management, Project Management
  • 1st / 2nd / 3rd Level Support

Industry Knowledge (In Descending Order By Project Size)

  • Wholesale And Retail, Banking & Financial Services
  • Chemical Industry
  • Transport And Logistics
  • Shipping Companies, Mineral Oil
  • Data Centers / Outsourcers
  • Staff Leasing, Software Development
  • Shipbuilding / Shipyards, Defense Industry
  • Electrical Appliance Manufacturing
  • Hospitals, Schools
  • Skilled Trades, Healthcare

Languages

German
Native
English
Advanced

Education

Mathematical and Technical Assistant

Business Information Systems Specialist

Certifications & licenses

Horizon

Novell CNE

Nsx-T

Nsx-V

Vmware Vcp5

Statistics

Experience

Total positions 22
Experience in Information Technology 13.5 y
Avg length 2 y 5 m
Longest experience 10 y 2 m

Global experience

Countries worked in 2 (Germany, Switzerland)
Primary country Germany

Expertise

Recent roles IT Consultant
Main industries Information Technology, Professional Services, Transportation
Main business areas Information Technology, Operations, Project Management

Qualifications

Certifications earned 6

Profile

Member since
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Frequently asked questions

Have questions? Find more information here.

Thomas is based in Kaltenkirchen, Germany.

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

Thomas has at least 32 years of experience. During this time, Thomas has worked in at least 1 role and for 21 different companies. The average length of individual experience is 1 year and 5 months. Note that Thomas may not have shared all experience and actually has more experience.

Based on recent experience, Thomas would be well-suited for roles such as: IT Consultant.

Thomas's most recent position is IT Consultant at Public Sector / SÜ2.

In recent years, Thomas has worked for Public Sector / SÜ2.

Thomas is most experienced in industries like Information Technology, Transportation, and Professional Services. Thomas also has some experience in Retail, Government and Administration, and Manufacturing.

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

Thomas has recently worked in industries like Government and Administration.

Thomas has recently worked in business areas like Information Technology and Operations.

Thomas attended education in Mathematical and Technical Assistant.

Thomas has 6 certificates. Among them, these include: Horizon, Itil V3 Foundation, and Novell CNE.

The availability of Thomas needs to be confirmed.

Daily rate distribution

0 2 4 6 8
2 of the freelancers charge less than €800 per day.
One of the freelancers charges between €800 and €960 per day.
6 of the freelancers charge between €960 and €1120 per day.
One of the freelancers charges €1280 or more per day.
<€800 €800-​960 €960-​1120 €1280+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Rate comparison chart
Daily rate avg. 958 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

1000
750
500
250
Rate comparison chart
Median rate 976 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 19 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.