16.06.2026 aktualisiert

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Senior system engineer / Azure / Security

Neuss, Deutschland
Nur Remote
German "Goethe" College Bucharest
Neuss, Deutschland
Nur Remote
German "Goethe" College Bucharest

Profilanlagen

TiberiuC_DE_Lebenslauf.docx

Über mich

Over 12 years of experience in infrastructure management. Well rounded IT professional with skills that include windows servers, domain services, virtualization, Azure cloud, M365, configuration management and security.

Skills

Microsoft AzureConfiguration ManagementDomain Name ServerHyper-VVPNManaged Print ServicesSystem Center Configuration ManagerWindows-ServerSCVMMSiemVirtualizationVmware VsphereWorkspace ONEWsus
  1. Windows Server all versions
  2. Domain Services (AD DS, AD CS/PKI, DNS, DHCP, AD FS, Print Services, Proxy/RRAS/VPN, Remote Desktop Services)
  3. Configuration Management (MECM/SCVMM, Intune, Workspace One, OM Endpoint Central)
  4. Azure Cloud (Compute, Network, Storage, IAM, Backup)
  5. M365 (Intune, Entra, Exchange Online)
  6. Virtualization (VMWare Vsphere, Microsoft Hyper-V, Proxmox)
  7. VDI (Horizon, Citrix, FSLogix)
  8. High Availability (Failover Cluster, Storage Spaces Direct S2D, Cluster Shared Volumes)
  9. Patching and Hardening (WSUS, MECM, BigFix, AD Tiering)
  10. IAM & PAM (CyberArk)
  11. Security (Microsoft Defender XDR, Purview, ME Log360, Nessus Tenable, Crowdstrike Falcon, NXLog, Graylog)
  12. Monitoring (SCOM, OpManager, PRTG, CheckMK)

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2016

Sprachen

DeutschverhandlungssicherEnglischverhandlungssicherRumänischMuttersprache

Projekthistorie

System Engineer

Enterprise Environment

Internet und Informationstechnologie

500-1000 Mitarbeiter

Toolchain / Systems / Methoden:
• Konfig Management und Windows 11 Rollout mit Intune (BYOD, Autopilot, Windows Updates, Automation, Geräte, Apps)
• Esxi, Vsphere, Vcenter Server
• AD Domäne Dienste, Entra ID, Conditional Access, AD Connect, NDES
• Macmon Appliance, Access Switches, Radius Server
• Dell OpenManage, HP OneView

Zielsetzung des Projektes
Verwaltung der Hybridinfrastruktur über Azure Cloud, Intune, vSphere-Virtualisierung, lokale Server und Out-of-Band-Management mit HP OneView und Dell OpenManage. Umstellung älterer Geräte auf Windows 11-Geräte, die über Intune Autopilot installiert wurden. Wartung der virtuellen und physischen Infrastruktur. Wartung und Konfiguration von Macmon und zugehörigen Netzwerkgeräten.

Hauptaufgaben
  1. Implementierung von Autopilot durch Intune für den Tenant
  2. Härtung für die Endgeräte und Virtuelle Server mittels GPO/GPP
  3. Operationelle Tätigkeiten für die Domäne Dienste im Hybriden Domain
  4. Verwaltung und Härtung der Virtualisierungsebene ESXi mittels Vcenter (VBS etc.)
  5. Rollout Windows 11 durch Intune und Migration von Baramundi
  6. Konfiguration von NDES und AD Connect Server für Hybriddomäne
  7. Verwaltung physische Infrastruktur durch FNT Command, IPNetMan, HP OneView, Dell OpenManage

System and Security Engineer

NATO

Sonstiges

1000-5000 Mitarbeiter

Managing infrastructure and security operations as a contractor.
Improved security and performed hardening. Done remediations for accreditation purposes.
Implemented BYOD and MDM through Intune.
Configured Autopilot for Hybrid-Join and large scale endpoint rollout.
Set up certificates for Azure through Connectors and PKI.

• Cloud services: M365 (Intune, Entra, ExchangeO)
• Infrastructure: Windows Server, VMWare Vsphere, Horizon VDI, Domain services (AD, DNS, DHCP, AD CS)
• Cyber Threat detection, Investigation and Response with Microsoft Defender XDR
• Data Governance, Compliance and Risk Management through Microsoft Purview
• SIEM ManageEngine Log360
• Performance Monitoring through ManageEngine OpManager
• Configuration Management: ManageEngine EndpointCentral and Intune

Team Lead Infrastructure

Volkswagen Financial Services

Banken und Finanzdienstleistungen

>10.000 Mitarbeiter

Led a team of system engineers through customer transition to operational
activities. Managed around 1200 virtual machines and 90 physical servers
following ITIL principles, managed SLAs, prioritized work and projects,
managed major incident situations, organized disaster recovery tests,
created documentation and kept it up to date.

Skills:

• Physical infrastructure Dell PowerEdge and HP ProLiant
• Virtualization ESXi, vCenter Server, vSphere 7 and 8
• Virtual machine OS Windows Server 2016, 2019, 2022, 2025
• Domain services AD DS, DNS, DHCP, AD FS/Proxy, RDP, NAP, RRAS, Print Services
• Encryption Certification Services and PKI
• Hardening BigFix and GPOs
• Logging with NXLOG
• Vulnerability Management with Tenable Nessus
• PAM via CyberArk
• Monitoring with SCOM
• Endpoint management, patching and security MECM, Trellix
• Automation: Powershell and Aria

Senior System Engineer

Federal Ministry of Interior Austria

Öffentlicher Dienst

>10.000 Mitarbeiter

Part of an operational and project team that handled the complex
infrastructure of a public institution. Upgraded physical RODCs throughout
the country, configured monthly patching, upgraded EOL servers, changed
monitoring from PRTG to CheckMK, performed migration of virtual
infrastructure from Hyper-V/SCVMM to Vcenter

Skills:

• Datacenter servers: Dell PowerEdge
• Domain services AD DS, DNS, DHCP, AD FS, RDP, NAP, Print Services
• Virtualization via Hyper-V and ESXi, vCenter Server, vSphere 6.7 and 7
• High availability Failover Cluster
• Virtual machine and endpoint manager SCVMM
• Virtual machines Windows Server 2012, 2016, 2019, 2022
• Endpoint manager SCCM
• Patching WSUS
• Encryption via AD CS and PKI
• Storage through Storage Spaces Direct
• File services DFS-N, DFS-R, and File Server Resource Manager
• Monitoring PRTG and CheckMK
• Logging Graylog
• Search and analytics Elasticsearch
• SIEM Splunk
• Automation Powershell Automation
• Linux RHEL, Nextcloud, NGINX, Redis

Senior System and Cloud Engineer

CEGEKA

Internet und Informationstechnologie

5000-10.000 Mitarbeiter

Part of a team that managed medium to complex enterprise environments of customers in the financial sector and public institutions.
Had both operational engineer and project engineer duties. Some of the achievements are upgrading and replacing domain controllers, migration servers from on-prem to cloud, restoring customer infrastructure in short notice after being hit by ransomware in both on-prem and cloud situations, replacing technologies on demand, performing disaster recoveries, regular patching and vulnerability fixes on short notice during zero day exploits

Skills:

• Cloud: Microsoft Azure (Compute, Storage, Networking, IAM, Monitoring, EntraID) Google Cloud Platform (Compute and Disks)
• Domain services Active Directory Domain Services (AD DS), DNS, DHCP, AD FS, RDP, NAP, Print Services
• Virtualization via Hyper-V and ESXi, vCenter Server, vSphere
• High availability Failover Cluster
• Virtual machine and endpoint manager SCVMM (System Center Virtual Machine Manager):
• Virtual machines Windows Server 2008, 2012, 2016, 2019
• Endpoint manager SCCM (System Center Configuration Manager)
• Patching WSUS (Windows Server Update Services)
• Encryption via Certification Services and PKI
• File services DFS-N, DFS-R, and File Server Resource Manager
• Monitoring Zenoss, Nagios
• Security and vulnerabilities CrowdStrike
• Automation Powershell Automation, Jenkins

System Administrator

S&T Austria

Konsumgüter und Handel

500-1000 Mitarbeiter

Managed high profile customers like Unilever and EuS.
Daily operational tasks on the customer infrastructure that was based on both on-prem local
datacenters and own datacenters.

Skills:

• Domain services Active Directory Domain Services (AD DS), DNS, DHCP, AD FS, RDP, NAP, RRAS
• Virtualization via Hyper-V and ESXi, vCenter Server, vSphere
• High availability Failover Cluster
• Virtual machine and endpoint manager SCVMM
• Virtual machines Windows Server 2003, 2008, 2012
• Endpoint manager SCCM
• Patching WSUS
• Encryption via Certification Services and PKI
• File services DFS-N, DFS-R, and File Server Resource Manager
• Monitoring Nagios
• Automation Powershell
• Storage EMC VNX

Support Engineer

S&T Romania

Internet und Informationstechnologie

1000-5000 Mitarbeiter

• Diagnosing, troubleshooting, and developing new solutions that solve the root cause of customer
problems in tickets elevated from our L1 support team.
• Writing step-by-step processes, technical solutions, and ticket updates to customers using clear and
concise English.
• Learning new products quickly and effectively. When given access to user and developer documentation,
knowledge base articles, source code, and infrastructure be able to develop a layered understanding of
how the product works end-to-end.

Support engineer

OMW Petrom
◦ Responding to technical support tickets.
◦ Contacting clients to find out the nature of the technical or IT issue.
◦ Linking to clients' computers via remote access.
◦ Installing new hardware, software, and networking systems.
◦ Diagnosing and troubleshooting hardware, networking, and software issues.
◦ Proposing simple and effective solutions.
◦ Providing basic software training.
◦ Completing job reports.

Support engineer

Dell Perot Systems
◦ Research and identify solutions to software and hardware issues
◦ Diagnose and troubleshoot technical issues, including account setup and network configuration
◦ Ask customers targeted questions to quickly understand the root of the problem
◦ Track computer system issues through to resolution, within agreed time limits
◦ Talk clients through a series of actions, either via phone, email or chat, until they’ve solved a technical
issue
◦ Properly escalate unresolved issues to appropriate internal teams (e.g. software developers)
◦ Provide prompt and accurate feedback to customers
◦ Refer to internal database or external resources to provide accurate tech solutions
◦ Ensure all issues are properly logged
◦ Prioritize and manage several open issues at one time
◦Follow up with clients to ensure their IT systems are fully functional after troubleshooting
◦ Prepare accurate and timely reports
◦ Document technical knowledge in the form of notes and manuals
◦ Maintain jovial relationships with clients

Zertifikate

Microsoft Certified: Azure Administrator Associate

Microsoft

2025

VMWARE VSPHERE: OPTIMIZE AND SCALE [V6.7]

VMWARE

2017

MCSA 2016

Microsoft

2016


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