Ensar Yilmaz - Service Manager Microsoft Cloud Services (ITIL)

Recommended expert

Berlin, Germany

Experience

Jan 2025 - Apr 2025

4 months

Berlin, Germany

Service Manager Microsoft Cloud Services (ITIL)

Industry (technology group)

Took on the role of Service Manager for Microsoft 365 and Azure services
Coordinated service providers in collaboration and security (Exchange Online, Teams, Azure AD)
Monitored and optimized SLA-compliant operational processes (Incident, Change, Problem)
Worked closely with internal IT management and integrated ITIL processes into Azure DevOps
Microsoft Azure, Exchange Online, Teams, Azure AD, ITIL v4, Azure DevOps, Power BI, ServiceNow

Oct 2024 - Dec 2024

3 months

Berlin, Germany

Hybrid

Cloud Consultant – M365 Hybrid Migration

Industry (technology group)

Planned and carried out a migration from Exchange 2013 to Exchange Online
Set up and optimized the hybrid configuration (HCW, AAD Connect, SMTP Routing)
Automated user and mailbox migrations with PowerShell
Documented architecture and migration procedures in German
Microsoft Exchange 2013, Exchange Online, Azure AD Connect, Windows Server 2019, PowerShell, Microsoft 365 Admin Center

Sep 2018 - Sep 2024

6 years 1 month

Berlin, Germany

Interim Product and Service Manager Collaboration

Industry (technology group)

MS Outlook/Exchange
MS SharePoint
Intranet/Internet presence
Microsoft Azure services (Azure AD, Azure Virtual Desktop, Azure Files, Azure Security)
Cloud-based collaboration solutions with Microsoft Azure
Lotus Notes/Domino
MS Outlook/Exchange On-Premise
MS Exchange Online
Intranet/Internet presence
Mobile App
Incident Management
Problem Management
Project Management
Cloud solutions with Microsoft Azure (Azure Monitor, Azure Backup, Azure Policy)
Migration and operation of IT services in Microsoft Azure
Integration of Azure DevOps for ITIL processes
Change Coordinator
Supplier Management
Problem Management
IT Operations Management

Mar 2018 - Sep 2018

7 months

Berlin, Germany

Architect IaaS Domino

Industry (technology group)

AWS (focus on architecture and scalability)
AWS EC2, S3, VPC, IAM
IBM Domino
Project management
Migration and operation of Domino on AWS
Hybrid and multi-cloud strategies with AWS

Apr 2017 - Dec 2017

9 months

Berlin, Germany

Service Manager Collaboration (ITIL)

Industry (technology group)

MS Outlook/Exchange
MS SharePoint
MS Skype for Business
Soliton DME (MDM)
Organize and conduct regular meetings with providers
Conduct Service Management Board (SMB)
Check compliance with agreed SLAs
Verify that all services defined in the service schedule are delivered by providers
Handle follow-up tasks from the migration of Lotus Notes/Domino to MS Exchange (on-premise)
Tool used: Dell Self Service Desktop Migrator (SSDM)

Apr 2007 - Mar 2017

10 years

Berlin, Germany

Service Delivery Lead (Administration/Operations) (ITIL)

IT service provider

On behalf of the IT service provider, provided 3rd level support and Domino operations for multiple clients
Migrated Domino servers to Lotus Domino R7, R8.5 and R9.0.1
Moved Domino servers to new hardware and different operating systems
Ensured operation of Domino servers
Troubleshooting for large applications
Assumed on-call duty
Acted as Service Delivery Lead
Project management
Supported clients in migrating from IBM Notes/Domino to MS Exchange/Outlook
Prepared mail databases for migration (adjusted ACLs, decrypted emails)
Moved mail databases to long-term archive
Prepared mail-in databases for migration to Exchange (shared mailbox)
Prepared rooms and resources for migration to Exchange
Prepared groups for migration to AD or Exchange
Lotus Notes Domino R6*, R7, R8.5, R9.0.1, Lotus Notes Traveler, Windows 2000/2003/2008 Server, AIX, Solaris, Windows XP, VNC, Tivoli Storage Manager, Symantec Mail Security, McAfee GroupShield, Quest Migrator for Notes to Exchange

Dec 2006 - Mar 2007

4 months

Berlin, Germany

Administrator

Chemical and pharmaceutical company

2nd and 3rd level support in Lotus Notes/Domino server and user administration
Lotus Notes Domino R6* and R7, Windows 2000 Server, Windows 2003 Server, Windows XP, NetSupport, Tivoli Storage Manager

Sep 2004 - Jun 2006

1 year 10 months

Berlin, Germany

Consultant

Public sector

2nd and 3rd level support in Lotus Notes/Domino server and user administration
Migrated Lotus Notes clients (approx. 30,000) from R5 to R6
Recertified the Lotus Notes infrastructure (clients)
Documented the results in German
Lotus Notes Domino R5 and R6 on Solaris; Lotus LiSA; BCC Admintool; Veritas NetBackup; Sun Solaris; Windows NT; Windows XP

Nov 2003 - Jan 2004

3 months

Berlin, Germany

Project manager

Automotive industry

Developed a migration concept for Domino servers (approx. 60 servers from R5.11 to Domino R6.5)
Created the project plan for the implementation of the migration
Coordinated the approach
Documented the results in English and German
Lotus Notes/Domino R5 and R6, Windows NT, Windows 2000, MS Project, MS Visio

Jan 2003 - Dec 2003

1 year

Berlin, Germany

Project manager

IT service provider

Migrated Lotus Notes/Domino R5 to Lotus Notes/Domino R6
Operating system migration from Windows 2000 to Windows 2003 Server
Windows 2000 Server, Windows 2003 Server, Lotus Notes/Domino R5 and R6

Jan 2003 - Dec 2003

1 year

Berlin, Germany

IT Consultant, IT Architect

Consulting Firm

Provided support in all IT matters (part-time)
Windows NT, Windows 98, Lotus Notes R5

Mar 2002 - Jul 2025

23 years 5 months

Berlin, Germany

Self-employed

Beyline IT Services GmbH

Self-employed as IT consultant and owner of Beyline IT Services GmbH
Focus on Lotus Notes/Domino, Microsoft Cloud Services (M365, Azure), ITIL Service Management, and cloud migrations

Jan 2002 - Dec 2002

1 year

Berlin, Germany

IT Consultant

IT Service Provider

Lotus Notes roll-out and LAN setup
Installation and configuration of Lotus Notes Domino and connection to SMTP
LAN configuration and installation and configuration of firewalls
Documentation of results in German
Lotus Notes R5, Ethernet configuration, firewall configuration

Jan 2002 - Dec 2002

1 year

Berlin, Germany

IT Consultant

Consulting Firm

Planning Lotus Notes/Domino roll-out and LAN setup
Installation and configuration of Lotus Notes Domino and connection to SMTP
LAN configuration and installation and configuration of firewalls
Troubleshooting
Windows NT, Windows 98, Ethernet configuration, printer configuration, firewall configuration, SMTP configuration

Jul 2001 - Feb 2002

8 months

Germany

Consultant

IBM Deutschland GmbH

Worked as a consultant at IBM Deutschland GmbH

Apr 2001 - Dec 2001

9 months

Berlin, Germany

IT Consultant

Public Sector

Collaboration in designing the migration from Lotus Notes R4 to R5
Creation and execution of test scenarios and test cases for the migration
Participation in performing the migration and parallel operating system change (HP-UX to Solaris)
Designing the migration of BMC Patrol
Occasional second level support
Documenting results in German and translating from English
Lotus Notes R4 and R5, HP-UX, Sun Solaris, Windows NT, BMC Patrol, BCC Admin Tool

Oct 2000 - Mar 2001

6 months

Berlin, Germany

IT Consultant, Subproject Manager

Pharmaceutical Industry

Developing the concept for the company-wide deployment of Lotus Domino.Doc
Documenting results in English and German
Lotus Domino.Doc, Windows NT, Lotus Domino R4 and R5

Jul 2000 - Jun 2001

1 year

Germany

Consultant

Lotus Development GmbH

Worked as a consultant at Lotus Development GmbH

Jul 2000 - Sep 2000

3 months

Germany

IT Consultant, Subproject Manager

Bank

Contributed to the server consolidation project
Responsible for designing and implementing system management (BMC Patrol and GSx)
Documenting results in English
Lotus Notes/Domino R4 and R5, BMC Patrol, GSx, Sun Solaris, Windows NT

Mar 2000 - Jun 2000

4 months

Germany

IT Consultant, Subproject Manager, Project Coordinator

Bank

Project "PB City": Creating a feasibility study for the project including Lotus Domino.Doc, Lotus Sametime, Lotus Quickplace, among others
Coordinating the project and serving as contact for clients and project stakeholders
Preparing documentation in English and German
Lotus Domino.Doc, Hyper.Net, Windows 98, Lotus Sametime, Lotus Quickplace

Jan 2000 - Feb 2000

2 months

Germany

IT Consultant

Bank

Checking the Domino.Doc infrastructure and troubleshooting
Lotus Domino.Doc, Lotus Notes/Domino R4

Nov 1999 - Dec 1999

2 months

Germany

IT Consultant, QA

Telecommunications

Creating and executing test scenarios and test cases for the developed applications
Documenting the results in German
Lotus Notes databases, OS/390, Windows 98, Windows NT, Sun Solaris

Oct 1999 - Oct 1999

1 month

Germany

IT Consultant

Bank

Participating in the "Domino R5 Pilot" project
Focus: Developing the "Guidelines for Domino R5"
Documenting the results in English
Lotus Domino R5, AIX

Oct 1999 - Oct 1999

1 month

Germany

QA, IT Consultant

Administration

Analyzing the current state (S/390 operations)
Defining the requirements for "Domino on S/390"
OS/390, Lotus Notes R4

Feb 1999 - Sep 1999

8 months

Germany

IT Consultant, Subproject Manager

Transportation Service Provider

Participating in the "Server Consolidation Design" project
Focus: Network integration, planning "Domino on OS/390"
Documenting the results in German and translating from English
Windows NT, Sun Solaris, OS/390, Lotus Notes/Domino R4 and R5

Jan 1999 - Jan 1999

1 month

Germany

IT-Consultant

Municipal service provider

Installation, testing and optimization of Notes/Domino servers on S/390 and Windows NT
Configuration of SMTP/MTA
OS/390, Lotus Notes R4, Windows NT

Nov 1998 - Dec 1998

2 months

Germany

IT-Consultant

Bank

Assisted in developing the Notes operations concept
Focus: testing and optimization of the Notes S/390 installation
Lotus Notes R4, OS/390

Jun 1998 - Oct 1998

5 months

Germany

Co-project lead

IT service provider

Project management: migration of SAREG to CORT (Lotus Notes)
Script programming/testing
Notes-MVS/TSO integration (via MQSeries)
OS/390, Lotus Notes R4, MQSeries

May 1998 - May 1998

1 month

Germany

Developer, Administrator

IT service provider

Server administration
Support/consulting for DB development
Lotus Notes R4, Lotus formula language

Mar 1998 - May 1998

3 months

Germany

Project manager

Social service provider

Project management: development of a Notes prototype for an information database
Based on: Notes V4.5, formula language, administration
Lotus Notes R4, Lotus formula language, Windows NT

Jan 1998 - Dec 1998

1 year

Germany

IT Consultant / Trainer

IT-Dienstleister

Updating Notes DB, developing/testing/documenting the customer information system (Domino, formula language/script)
Contributed to the rollout concept, installation of the Notes Server
End-user training
Lotus Notes R4, Lotus formula language, LotusScript, Windows NT

Nov 1997 - Jun 2000

2 years 8 months

Germany