Freelancer profile translated to English.
Back to original languageAbout Samir
My focus is primarily on the architecture, automation, and modernization of large enterprise IT environments. With sound practical experience in managing complex infrastructures with over 80,000 systems, I support companies in their transition to Modern Workplace solutions.
German
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Hessische Zentrale für Datenverarbeitung (HZD)Client Architect & Senior IT Consultant Development and Operation HessenPC & Server FarmPUBLIC SECTORSeptember 2022 - Today (3 years and 11 months)Wiesbaden, GermanyHolistic support and automation of the central client and server infrastructure (HessenPC) for 80,000 systems via Microsoft Configuration Manager (MECM).Architecture & Engineering (ConfigMgr / Intune)
- Planning and implementation of the Windows 11 migration (HessenPC 3.0 to 5.0) including major releases and client hardening.
- Setup of a new, variabilized ConfigMgr structure for the server farm (1,500 systems).
- Strategic conception of the migration from ConfigMgr/AD to Microsoft 365 with Intune and Entra ID.
- Setup and maintenance of the virtual test environment (Hyper-V, VMware ESXi) and evaluation of RaaS analyses.
Automation & Deployment (OSD & Software)- Development of complex OSD/OSU task sequences for deployment (OS/Boot Images, Packages).
- Full automation of Patch Day (clients/servers) via ADRs, PowerShell, and Offline Servicing.
- Script-based software packaging with the PowerShell App Deployment Toolkit (PSADT).
- Creation of policies and automated ConfigMgr integration of Morpheus-provisioned servers.
Hardware, Drivers & Lifecycle- Evaluation, release, and driver management of new client and server hardware.
- Automation of BIOS and password updates using task sequences.
- Expertise in hardware tenders and support of the HPC shopping cart.
Security, ITIL Operation & 3rd Level Support- System hardening according to current BSI and Microsoft security specifications (telemetry suppression, AV compliance).
- 3rd Level Incident Management and error analysis in direct cooperation with manufacturers (Microsoft, Lenovo etc.).
- Design of revision-proof operating processes according to ISO 9001 / ITIL 4 and adaptation of complex AD structures (GPOs, OUs).
- Hessische Zentrale für Datenverarbeitung (HZD)System Administrator / System Engineer & Local Incident ManagerPUBLIC SECTORJune 2018 - September 2022 (4 years and 3 months)Wiesbaden, GermanyEnsuring IT operations, support, and continuous development of the HessenPC infrastructure in accordance with ITIL, quality, and IT security requirements.IT Operations & Incident Management (2nd - 3rd Level)
- Holistic troubleshooting (via BMC Remedy) within the scope of Incident Management according to ITIL/ITSM standards.
- Handling of complex error patterns in 2nd-level as well as 3rd-level support, including direct technical escalation to the respective manufacturers.
- Central technical point of contact (SPOC) for on-site support staff and other HZD employees, especially for major incidents and escalations.
- Coordination within the Incident Management Team.
Change, Release & Patch Management- Planning, coordination, and technical implementation of OS migrations to newer operating system versions and evaluation of new hardware for Windows 10 releases.
- Execution of comprehensive patch management (security updates, software, and drivers).
- Control and implementation of change requests within the framework of Change and Release Management, including development of template solutions for standard procedures and IT maintenance tasks.
IT Security & Compliance- Proactive monitoring of the infrastructure and immediate countermeasures in response to vulnerability reports from the BSI or CERT Hessen/Bund.
- Regular review of the IT architecture and systematic implementation of best practice recommendations from manufacturers.
Process Optimization & Documentation- Creation, revision, and management of operationally relevant documentation, optimization processes, and how-tos in accordance with ISO 9001 requirements.
- Development of detailed manuals and instructions, including to ensure smooth on-call readiness.
- Active further development of cross-functional operational processes, such as hardware and software inventory.
- Creation and maintenance of a Knowledge Database.
- Bezirksregierung DüsseldorfIT Support and Client Management via SCCMPUBLIC SECTORJune 2016 - December 2017 (1 year and 6 months)Düsseldorf, GermanyGovernment employee Department 14 – Technology, SCCM
- Client management with SCCM
- Patch Management: Updating software, drivers, and security updates via SCCM/WSUS
- Image Capture with Capture Task Sequence in SCCM
- Deployment of Terminal Services via Windows Server
- Creation and maintenance of operational documentation and how-tos
- Management of Bromium Endpoint Protection on clients
- Deployment of McAfee Drive Encryption
- Creation and expansion of Group Policies
- Acceptance and processing of tickets with Request Tracker for disruptions (call acceptance/1st and 2nd level)
- Setup and modification of IT workstations
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Education
- IT Specialist for System IntegrationFachinformatiker für Systemintegration
- Incident Response - Reaction to Cyber Attacks2024Incident Response - Vorfallreaktion nach Cyber-Angriffen
Certifications
- ITIL 4 FoundationAXELOS Global Best Practice2020
- Microsoft 365 Certified: Modern Desktop Administrator AssociateMicrosoft2020