Über Recep
Microsoft Exchange Architect / Microsoft 365 Messaging Engineer mit 10+ Jahren Erfahrung in Exchange Online, Exchange Server, Exchange Hybrid, Microsoft 365 Administration, Mail Flow, Migrationen, Security, Compliance und Enterprise Support.
Spezialisiert auf:
• Exchange Online Administration
• Exchange Server Administration 2010 / 2013 / 2016 / 2019 / SE
• Exchange Hybrid & Hybrid Configuration Wizard
• Exchange Migrationen On-Premises zu Exchange Online
• Mail Flow Troubleshooting, SMTP, DNS, Autodiscover
• Transport Rules, Connectors, Accepted Domains, Remote Domains
• Shared Mailboxes, Distribution Groups, Microsoft 365 Groups
• Outlook, Kalender, Delegationen und Client Connectivity
• Exchange Online PowerShell, PowerShell Automation, Microsoft Graph
• Entra ID, Azure AD Connect, ADFS und Identity Integration
• Exchange Online Protection (EOP), Microsoft Defender for Office 365
• SPF, DKIM, DMARC, Anti-Spam, Anti-Phishing, Safe Links, Safe Attachments
• Microsoft Purview, eDiscovery, Retention, Litigation Hold, DLP
Ich unterstütze Unternehmen bei komplexen Exchange- und Microsoft-365-Umgebungen: von Migration, Betrieb und Troubleshooting bis hin zu Security Hardening, Compliance, Automatisierung und Eskalationsmanagement.
Erfahrung aus Projekten und Rollen bei Microsoft, Bluebeam / Nemetschek Group, KfW, Aveniq, Linde und weiteren Enterprise-Umgebungen.
Arbeitsweise:
• Hands-on und lösungsorientiert
• Stark in Root Cause Analysis und Eskalationen
• Sehr erfahren in Enterprise Support und Dokumentation
• Sicher in deutscher und englischer Kommunikation
• Fokus auf stabile, sichere und wartbare Microsoft-365-Messaging-Umgebungen
Deutsch
Muttersprachlich oder zweisprachig
Englisch
Verhandlungssicher
Türkisch
Verhandlungssicher
Vor Ort möglich
Frankfurt am Main (bis zu 50 km)
Projekt- und Berufserfahrung
- Nemetschek GroupMicrosoft 365 / Exchange AdministratorMärz 2025 - März 2026 (1 Jahr)United States• Senior Microsoft Exchange Engineer for a global SaaS organization, supporting Exchange Online, Exchange Hybrid, Microsoft 365 messaging, Outlook, mail flow, collaboration services, and AEC customer-facing support operations.• Owned Tier 3 escalations, incident management, problem management, change management, root cause analysis, and end-to-end resolution for complex mailbox, calendar, mail routing, client connectivity, and Entra ID related issues.• Administered Exchange Online recipients, shared mailboxes, distribution groups, Microsoft 365 groups, mailbox permissions, calendar delegation, retention policies, transport rules, message trace, connectors, accepted domains, remote domains, SMTP, Autodiscover, and hybrid mail routing.• Supported Exchange Online and Microsoft 365 operations across onboarding, offboarding, mailbox conversion, archive mailbox management, delegated access, license assignment, service health monitoring, and recurring tenant administration.• Strengthened Microsoft 365 email security with Exchange Online Protection EOP, Microsoft Defender for Office 365, Safe Links, Safe Attachments, anti phishing, anti-spam, quarantine management, malware filtering, SPF, DKIM, DMARC, DNS records, and secure mail routing.• Supported Microsoft Purview compliance including eDiscovery, retention, litigation hold, mailbox audit logging, DLP, sensitivity labels, information protection, compliance search, and audit readiness.• Automated Microsoft 365 administration with PowerShell, Exchange Online PowerShell, Microsoft Graph, and runbooks for mailbox provisioning, permission audits, license reporting, transport-rule reviews, security checks, user lifecycle, onboarding, offboarding, and knowledge base documentation.• Partnered with Tier 2 teams to reproduce technical issues, qualify escalations, document troubleshooting steps, create runbooks, and deliver clear customer-facing and internal resolution guidance.
- KfWExchange Migration / Security and ComplianceMai 2024 - Dezember 2024 (7 Monate)Frankfurt, Germany• Architected and executed a scalable hybrid Exchange Migration and Exchange Server Upgrade, minimizing service interruptions during migration for the banking sector.• Strengthened email threat defenses by managing ESA configurations and conducting regular security audits.• Developed comprehensive Exchange compliance strategies leveraging Microsoft Purview and Azure Information Protection, ensuring rigorous data governance and regulatory compliance.• Deployed Customer Key, Lockbox, and Data Encryption Policies to secure mailbox data according to Digital Operational Resilience Act (DORA).
- AveniqExchange Engineer (3rd Level Support)Juli 2023 - April 2024 (9 Monate)2500 Baden bei Wien, Austria• Enhanced Exchange security by integrating Microsoft Defender and implementing anti-spam, malware defenses, and robust DLP policies.• Managed Exchange migrations and upgrades, ensuring data integrity and minimal downtime.• Automated Exchange Server maintenance, applying security and cumulative updates with PowerShell.• • Troubleshot SharePoint and Microsoft Teams integration issues related to Exchange.• Served as technical lead for Exchange in client and Service Delivery Manager consultation meetings.• Configured, upgraded, and maintained Email Security Appliances (SEPPmail, Proofpoint) to reduce advanced email threats through proactive detection and security audits.• Served Clients: Axpo Holding, EKZ Elektrizitaetswerke des Kantons Zuerich and others.
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Ausbildung und Abschlüsse
- Bachelor's degree, WirtschaftsingenieurwesenTH Köln2017Bachelor's degree, Wirtschaftsingenieurwesen