Summary
Overview
Work History
Education
Skills
Languages
Websites
Certification
Timeline
Generic
Laszlo DOHOS

Laszlo DOHOS

Valencia

Summary

IT Systems Engineer 20+ years of experience in IT and systems administration, including on-premises- and O365, skilled in system design, migration projects, operations and maintenance, and system implementation.

Focused on assisting with troubleshooting of various issues, service requests or incidents. Promotes and maintains high standard of customer service at all times.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Messaging and Collaboration Engineer

United Nations
Valencia
05.2013 - Current

Administrating the messaging- and collaboration infrastructure in the United Nation's Microsoft 365 tenant.

- Exchange infrastructure administrator. Exchange 2013, 2016, 2019 and Exchange Online
- Email Infrastructure Management with operation and maintenance
- Design and carry out expansion/upgrading/downsizing/decommission of Exchange on-prem systems
- Migration planning and execution: form on-prem to M365 tenant / from tenant to tenant
- Configuring Microsoft Defender and setting up mail hygiene standards
- Microsoft Teams and SharePoint Online management: configuring policies and application implementations
- Microsoft Entra identity- and application management
- Cisco Iron Port Email Security Appliances management

Email- and Active Directory Services Analyst

Visteon Corporation (Ford Motor)
Szekesfehervar
08.2011 - 04.2013

- Member of Active Directory enterprise administrator team

- Provide Email- and Messaging systems support for Exchange 2010, Hybrid and Exchange Online

- Power Shell scripting for monitoring and automation

- Supporting Incident management processes

- Provide root cause analysis

- Liaising extensively with Service Desk support team, internal clients and 3rd party vendors

Education

Bachelor of Science - IT Engineer

Dennis Gabor Collage
Budapest, Hungary

Skills

  • Microsoft Exchange Server Administration
  • Mail flow-, and Infrastructure Management
  • Strong Communication Skills with Customer-focused Approach
  • Security and Compliance Management
  • Microsoft Teams Administration
  • Troubleshooting and Issue Resolution
  • Disaster Recovery Planning
  • PowerShell Scripting

Languages

Hungarian
First Language
English
Advanced
C1
Spanish
Advanced
C1
Portuguese
Elementary (A2)
A2

Certification

  • MCSA: Office365
  • MCSA: Microsoft Server
  • MCSE: MIcrosoft Exchange
  • Council of Internet Providers: DNS System Administrator
  • ITIL Foundation
  • Learning Tree: advanced communication
  • PRINCE2 Foundation & Practitioner
  • Comptia Network+

Timeline

Messaging and Collaboration Engineer

United Nations
05.2013 - Current

Email- and Active Directory Services Analyst

Visteon Corporation (Ford Motor)
08.2011 - 04.2013

Bachelor of Science - IT Engineer

Dennis Gabor Collage

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Laszlo DOHOS