Microsoft Enterprise
- Active Directory
- Group Policy
- MECM/SCCM
- Intune
- Exchange
- Windows Server
Rizwan Khan · Freelance Senior System Engineer · Hamburg & DACH
MECM/SCCM · Active Directory · Windows 11 · PowerShell · Migration & Recovery
19+ years of enterprise experience in stable Microsoft infrastructures: from MECM/SCCM and Active Directory through PowerShell automation to controlled migration, recovery and operational handover.
35 projects · Enterprise Engineering
From analysis and architecture through server and client rollout to automation, stable operations, recovery and technical handover.Microsoft Enterprise · Endpoint & Rollout · Data & Automation · Linux & Application Platforms · Operations & Recovery · Delivery & Workshops
View project evidenceTechnical breadth from 35 documented projects
Breadth of references
Client engagements were carried out independently as a contractor. Partner and project environments are labelled accordingly.
Complex IT landscapes become manageable when architecture, operations and people work together.

For more than 19 years I have designed, migrated and stabilised complex enterprise infrastructures.
My focus is on Microsoft platforms, Active Directory, MECM, hybrid operating models and automating recurring work with PowerShell.
In demanding engagements I combine architecture, hands-on implementation and coordination between business units, vendors and IT operations.
Through RK TECH LTD I also bring together AI automation and software development with entrepreneurial responsibility and technical leadership.
Selected evidence from enterprise engagements and entrepreneurial leadership.
Current engagement as MECM/SCCM Expert for Windows 11 deployment, software distribution and patch management.
Recovery concept and rebuild of a compromised Active Directory environment after a ransomware attack.
Implemented MECM architecture, zero-touch images, drivers, software packages and content distribution for international sites.
Developed integration paths for the Microsoft infrastructures of several Volkswagen subsidiaries covering AD, GPO, Intune and MECM.
Responsible for AI automation and the technical delivery of web and app products.
The selection offers a quick way into current and particularly telling engagements. The full chronology is always one click away.
All client engagements were carried out independently as a contractor; some engagements ran in parallel. The entrepreneurial role is marked separately.
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Endpoint Management
I support Windows 11 deployment, software distribution, patch management and troubleshooting within the MECM processes.

Virtualisation & Operations
I supported business-critical specialist applications and took migrations through test, change and go-live into data-centre operations.

Active Directory & Migration
I analysed heterogeneous Microsoft environments and developed integration paths for Active Directory, GPO, Intune and MECM.

Endpoint Management
I designed and implemented MECM building blocks for images, drivers, software and cross-site content distribution.

Security & Recovery
After a ransomware attack I developed a recovery concept and a controlled migration path to a newly built AD structure.

Own company
With RK TECH LTD I am responsible for AI automation and the technical delivery of web and app products.
Card 1 of 6
29 more projects in the full chronologyFrom 2007 to today · technically classified and documented for recruiters.
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PeopleCert
Microsoft
Microsoft
Microsoft
Linux Professional Institute
University College London
06 · Contact
Looking for experienced technical leadership for complex Microsoft and enterprise infrastructures? Send a short enquiry — it comes straight to me.