Gregor Sulewski - IT System Administrator

Q: Where is Gregor based?

Gregor is based in Magdeburg, Germany .

Q: What languages does Gregor speak?

Gregor speaks the following languages: English (Advanced), German (Elementary) .

Q: How many years of experience does Gregor have?

Gregor has at least 14 years of experience. During this time, Gregor has worked in at least 10 different roles and for 10 different companies . The average length of individual experience is 1 year and 5 months . Note that Gregor may not have shared all experience and actually has more experience.

Q: What is Gregor's latest experience?

Gregor's most recent position is Client & Application Consultant at Rolls Royce .

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

In recent years, Gregor has worked for Rolls Royce and Marienhaus .

Q: Which industries is Gregor most experienced in?

Gregor is most experienced in industries like Education , Manufacturing , and Healthcare . Gregor also has some experience in Information Technology (IT) , Retail , and Pharmaceutical .

Q: Which business areas is Gregor most experienced in?

Gregor is most experienced in business areas like Information Technology (IT) , Project Management , and Procurement and Purchasing . Gregor also has some experience in Operations .

Q: Which industries has Gregor worked in recently?

Gregor has recently worked in industries like Healthcare and Aerospace and Defense .

Q: Which business areas has Gregor worked in recently?

Gregor has recently worked in business areas like Information Technology (IT) , Procurement and Purchasing , and Project Management .

Recommended expert

Magdeburg, Germany

Experience

Aug 2024 - Oct 2024

3 months

Client & Application Consultant

Rolls Royce

Migrating legacy machines from the "red world" to the "green world"
Adapting Active Directory and Group Policy Objects for Microsoft Server/Client versions 2000/2003/2008/2008R2/2029
Utilizing SMP methodologies

Sep 2021 - May 2023

1 year 9 months

SMP IT Project Manager

Marienhaus

Providing printer and server support and structuring hospital IT
Administering tools, systems and managing personnel and budget responsibility
Conducting procurement and network setup

May 2018 - Jun 2020

2 years 2 months

Project Manager for Support Setup

DMG-MORI

Managing support setup on Windows 9x, XP, 7, 8.1 and 10 platforms
Administering Exchange 6.0 and Celos, Netbox environments
Using tools such as Active Directory, LDAP, IoT Connector NanoBox Support, Messenger V2, LAN-Desk and SCCM 2007/2012/2016
Optimizing wireless LAN connections at trade fair venues

Apr 2017 - Apr 2018

1 year 1 month

IT-Support Fulfilment

Rewe-Digital

Supporting warehouse and delivery service scanners with Messenger V2 and LAN-Desk
Optimizing SCCM 2007/2012/2016 and wireless LAN connections and access points
Implementing ITIL process optimizations for infrastructure in Tivoli delivery warehouses and customer drivers
Using Remedy ITSM for incident and service management

Jan 2017 - Mar 2017

3 months

SCCM Consultant

QSC AG

Troubleshooting client issues and creating SCCM custom reports
Managing software rollouts and batch query creation
Deploying software and operating system images using SCCM and OSD
Administering network and monitoring site and client status
Updating SCCM servers and planning Windows 10 images
Supporting migrations and providing test assistance

Nov 2016 - Dec 2016

2 months

Senior Consultant

ConfigPoint

Adjusting Group Policy Objects and planning rollouts
Providing technical consulting and implementing IT projects
Advising customers and troubleshooting clients during Microsoft product introductions and migrations
Planning, monitoring and executing projects as project lead
Creating SCCM custom reports and managing software rollouts

Jul 2014 - Jun 2015

1 year

Technical Consultant

GAD

Deploying SCCM and planning rollouts
Advising a bank on migration to Windows 7 in 540 branches
Performing site analysis and PaaS/SaaS server administration
Managing release upgrades of self-service devices
Handling incidents and monitoring client status
Supporting EPO server and McAfee client environments
Updating SCCM servers and planning Windows 10 images

Aug 2013 - Jun 2014

11 months

SCCM Consultant 3rd Level Support

Boehringer Ingelheim

Automating SCCM client tasks and creating batch scripts
Providing call and problem management with user contact in German and English
Coaching 2nd level support staff on basic SCCM tasks
Documenting solution paths for 2nd level colleagues
Preparing and provisioning workstations

May 2011 - Feb 2012

10 months

Client Security Tools Subproject Lead

BASF

Adjusting GPO policies for encryption and migration to Windows 10
Planning and executing process evaluations and migration planning for Windows 10 rollout
Creating installation documentation and testing software packages
Performing a global rollout under Windows 7 for approximately 100,000 clients with Office 2010
Advising customers on the introduction and migration of Microsoft products

Jun 2005 - May 2011

6 years

Administrator

Handelsschule Dr. Lax

Planning, overseeing, administering and building IT infrastructure, including two Windows Server 2000 systems
Setting up training rooms, installing clients and servers, and adjusting Active Directory
Handling incidents and providing 1st level support
Installing and configuring SQL databases
Building and securing network environments with routers, switches, and cabling
Performing database maintenance (SQL)
Monitoring internet network connections and data flow
Troubleshooting and error fixing in 1st level support
Managing server-side backup software
Supporting SAP, CAD, Lotus Notes, Suse Linux, Oracle
Working with ticketing solutions such as ARS and Remedy User

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 Education (6 years), Manufacturing (2 years), Healthcare (1.5 years), Information Technology (1.5 years), Retail (1 year), and Pharmaceutical (1 year).

Education

Manufacturing

Healthcare

Information Technology

Retail

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 (14 years), Project Management (4.5 years), Procurement (1.5 years), and Operations (1 year).

Information Technology

Project Management

Procurement

Operations

Summary

IT system administrator with extensive experience in administering server and client systems, project management and IT consulting.

Specialized knowledge in Microsoft Server/Client, SCCM, Active Directory and ITIL.

Proven successes in optimizing IT infrastructures and implementing solutions across various industries.

Skills

Moved Old Machines From The "Red World" To The "Green World"
Ad/gpo
Adapted Microsoft Server/client 2000/2003/2008/2008r2/2029
Printer Support
Server Support
Structured Hospital It Environment
Administration Of Tools And Systems
Personnel Management
Budget Management
Procurement
Network Setup
Windows 9x / Windows Xp / Windows 7 / Windows 8.1 / Windows 10
Exchange 6.0
Celos
Netbox
Operational Tools
Microsoft Active Directory (Ad)
Ldap
Iot Connector Nanobox Support
Messenger V2
Lan-desk
Sccm 2007 / 2012 / 2016
Tivoli
Remedy Itsm
Coaching
Powershell
Client Troubleshooting
Sccm Custom Reporting
Software Rollouts
Query Creation
Sccm Deployment (Software And Osd)
Analysis Of Site And Client Status
Sccm Server Updates
Windows 10 Image Planning
Migration Support
Batch Creation
Test Support
Documentation
Gpo Adjustments
Rollout Planning
Technical Consulting And Implementation Of It Projects
Advising Clients On Microsoft Product Implementation And Migration
Planning, Monitoring And Execution As Project Manager For Clients
Incident Handling
Epo Server Support
Mcafee Client Support
Architecture Concepts
Automation Of Workspace Provisioning
Client Security Tools
Vpn
Encryption
Gpo Policy Adjustments
Windows 10 Migration Planning
Creation Of Installation Documents
Testing Packages For Global Rollouts
Disciplinary Leadership Of Employees
Packaging With Ca Software
Testing Installations
San Support
Client Reinstallations With Windows 7 And Office 2010 In Altiris
Print Server Setup 2008
Itil Implementation
Building Network Environments With Routers, Switches And Cabling For Servers/clients
Client Support For Small And Medium-sized Businesses
Server-side Backup Software
Special Software From T-online For Inbound Activities
Sap
Cad
Lotus Notes
Database Maintenance (Sql)
Internet Network Monitoring
Network Connections
Data Flow Control
Fault Correction In 1st Level Support
Installation And Setup Of Sql Databases
Network Security
Lotus Notes Knowledge
Suse Linux
Oracle
Ticket Solutions With Ars
Remedy User

Languages

English

Advanced

German

Elementary

Education

Sep 1980 - Jun 1983

Apprenticeship as Structural Steel Fitter

MIT Mainz

Further training as System Engineer Windows Server/Client · Mainz, Germany

Certifications & licenses

Investment Bank Saxony-Anhalt

Rolls Royce, Friedrichshafen

Client & Application Consultant

MCP Server/Client /System-Engineer

Profile

Created

August 2025

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Frequently asked questions

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

Where is Gregor based?

Gregor is based in Magdeburg, Germany.

What languages does Gregor speak?

Gregor speaks the following languages: English (Advanced), German (Elementary).

How many years of experience does Gregor have?

Gregor has at least 14 years of experience. During this time, Gregor has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 1 year and 5 months. Note that Gregor may not have shared all experience and actually has more experience.

What roles would Gregor be best suited for?

Based on recent experience, Gregor would be well-suited for roles such as: Client & Application Consultant, SMP IT Project Manager, Project Manager for Support Setup.

What is Gregor's latest experience?

Gregor's most recent position is Client & Application Consultant at Rolls Royce.

What companies has Gregor worked for in recent years?

In recent years, Gregor has worked for Rolls Royce and Marienhaus.

Which industries is Gregor most experienced in?

Gregor is most experienced in industries like Education, Manufacturing, and Healthcare. Gregor also has some experience in Information Technology (IT), Retail, and Pharmaceutical.

Which business areas is Gregor most experienced in?

Gregor is most experienced in business areas like Information Technology (IT), Project Management, and Procurement and Purchasing. Gregor also has some experience in Operations.

Which industries has Gregor worked in recently?

Gregor has recently worked in industries like Healthcare and Aerospace and Defense.

Which business areas has Gregor worked in recently?

Gregor has recently worked in business areas like Information Technology (IT), Procurement and Purchasing, and Project Management.

What is Gregor's education?

Gregor attended education in Apprenticeship as Structural Steel Fitter.

Does Gregor have any certificates?

Gregor has 4 certificates. Among them, these include: Investment Bank Saxony-Anhalt, Rolls Royce, Friedrichshafen, and Client & Application Consultant.

What is the availability of Gregor?

Gregor is immediately available for suitable projects.

What is the rate of Gregor?

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