Microsoft 365 & Hybrid Infrastructure Consultant (Exchange / Active Directory)
About the Role
We are looking for a Consultant with a primary focus on Microsoft 365 and strong hands-on experience in hybrid infrastructure, covering Exchange Server, Exchange Online, and Active Directory. You will join a global technology team supporting large enterprise customers, providing advisory and technical expertise for organizations running or transitioning to hybrid Microsoft environments.
This is a customer-facing role for someone who is comfortable working across both cloud and on-premises layers and enjoys solving complex, cross-platform problems.
Key Responsibilities
- Provide advisory and technical support for Microsoft 365 services, with emphasis on Exchange Online and hybrid messaging environments
- Design, review, and troubleshoot Exchange hybrid deployments, including hybrid configuration, mail flow, free/busy, mailbox moves, and modern authentication (HMA)
- Support and advise on Exchange Server (2016/2019/Subscription Edition) operations, upgrades, DAGs, certificates, transport, and security hardening
- Troubleshoot Active Directory and hybrid identity issues, including replication, DNS, Group Policy, Kerberos/NTLM, and directory synchronization (Entra Connect, Cloud Sync)
- Deliver proactive services such as health checks, risk assessments, and optimization recommendations for hybrid environments
- Support migrations and transitions, including on-premises to Exchange Online, cross-tenant moves, and decommissioning of legacy Exchange servers
- Resolve complex incidents, performing root cause analysis and driving escalations to closure
- Advise on email security and protection (Exchange Online Protection, Defender for Office 365, SPF/DKIM/DMARC)
- Create and maintain technical documentation, knowledge articles, and customer-facing reports
- Collaborate with internal engineering and escalation teams and communicate clearly with technical and business stakeholders
Required Qualifications
- 5+ years of professional experience in enterprise IT environments, including consulting or customer-facing delivery
- Strong expertise in Microsoft 365 administration, particularly Exchange Online
- Proven hands-on experience with Exchange hybrid deployments and Exchange Server administration
- Solid knowledge of Active Directory, DNS, Group Policy, and PKI/certificate management
- Good understanding of hybrid identity and directory synchronization, plus authentication fundamentals (Kerberos, NTLM, OAuth, SAML)
- Experience with PowerShell and Exchange Management Shell for administration, diagnostics, and automation
- Strong troubleshooting skills, including analysis of logs, message tracing, and network/mail flow diagnostics
- Excellent communication skills and ability to manage customer expectations
- Fluent English, written and spoken
Preferred Qualifications
- Microsoft certifications such as MS-102, MS-203, AZ-800/AZ-801, SC-300, or AZ-104
- Experience with large-scale or complex migrations (staged, hybrid, cross-forest, tenant-to-tenant)
- Knowledge of Microsoft Teams, SharePoint Online, or Intune in hybrid scenarios
- Familiarity with Windows Server, networking fundamentals, and load balancing in messaging environments
- Familiarity with ITIL practices and incident/problem management
- Experience in a global support, advisory, or managed services organization
- German or other European language skills (a plus)
What We Offer
- Opportunity to work on complex enterprise challenges with leading Microsoft technologies
- Continuous learning, certification support, and clear career development paths
- Collaborative, international team environment
- Competitive compensation and benefits
- Flexible working arrangements
Budapest
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