Ensar Yilmaz - Microsoft Cloud Service Manager with ITIL

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Berlin, Germany

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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 the areas of collaboration and security (Exchange Online, Teams, Azure AD)
Monitored and optimized SLA-compliant operating 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 the 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)
Organized and conducted regular meetings with the respective providers
Conducted Service Management Boards (SMB)
Checked compliance with agreed SLAs
Checked whether the providers delivered all services defined in the service specification
Handled outstanding work resulting from the migration from 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

3rd level support and Domino operations for several customers on behalf of the IT service provider
Migration of Domino servers to Lotus Domino R7, R8.5 and R9.0.1
Moving Domino servers to new hardware and other operating systems
Ensuring the operation of the Domino servers
Troubleshooting for large applications
Taking on on-call duty
Responsibility as Service Delivery Lead
Project management
Supporting customers in switching from IBM Notes/Domino to MS Exchange/Outlook
Preparing mail databases for migration (adjusting ACLs, decrypting emails)
Moving mail databases to a long-term archive
Preparing mail-in databases for migration to Exchange (shared mailbox)
Preparing rooms and resources for migration to Exchange
Preparing 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 Group

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
Migration of Lotus Notes clients (approx. 30,000) from R5 to R6
Recertification of the Lotus Notes infrastructure (clients)
Documentation of the results in German
Lotus Notes Domino R5 and R6 on Solaris; Lotus LiSA; BCC Admintool; Veritas NetBackup; Sun Solaris; WindowsNT; WindowsXP

Nov 2003 - Jan 2004

3 months

Berlin, Germany

Project Manager

Automotive Industry

Creation of a concept for migrating the Domino servers (approx. 60 servers from R 5.11 to Domino R 6.5)
Creation of the project plan for the later implementation of the migration
Coordination of the approach
Documentation of 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

Migration from 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

Business Consulting

Support with all information technology 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 an 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 rollout and LAN setup
Installation and configuration of Lotus Notes Domino and connection to SMTP
LAN configuration and installation and configuration of firewalls
Documentation of the results in German
Lotus Notes R5, Ethernet configuration, firewall configuration

Jan 2002 - Dec 2002

1 year

Berlin, Germany

IT Consultant

Business Consulting

Planning of Lotus Notes/Domino rollout 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

Contributed to the design of the migration from Lotus Notes R4 to R5
Created and executed test scenarios and test cases for the migration
Supported the migration while simultaneously changing the operating system (HP-UX to Solaris)
Designed the migration of BMC Patrol
Provided 2nd-level support when needed
Documented the results in German and translated 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, Sub-Project Manager

Pharmaceutical Industry

Developed the concept for the company-wide use of Lotus Domino.Doc
Documented the 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, Sub-Project Manager

Bank

Contributed to the server consolidation project
Responsible for designing and implementing system management (BMC Patrol and GSx)
Documented the 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, Sub-Project Manager, Project Coordinator

Bank

Project “PB City”: Prepared a preliminary study for implementing the project using Lotus Domino.Doc, Lotus Sametime, Lotus Quickplace and other tools
Coordinated the project and acted as the contact person for customers and project participants
Prepared the 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

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

Nov 1999 - Dec 1999

2 months

Germany

IT Consultant, QA

Telecommunications

Creation and execution of test scenarios and test cases for the developed applications
Documentation of 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

Participation in the “Domino R5 Pilot” project
Focus: Preparation of “Guidelines for Domino R5”
Documentation of the results in English
Lotus Domino R5, AIX

Oct 1999 - Oct 1999

1 month

Germany

QA, IT Consultant

Administration

Analysis of the current situation (S/390 operations management)
Preparation of the requirements for “Domino on S/390”
OS/390, Lotus Notes R4

Feb 1999 - Sep 1999

8 months

Germany

IT Consultant, Subproject Manager

Transport Services Provider

Participation in the “Server Consolidation Design” project
Focus: Network connection, design of “Domino on OS/390”
Documentation of the results in German and translation 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

Contributed to developing the Notes operations concept
Focus: Testing and optimizing the Notes S/390 installation
Lotus Notes R4, OS/390

Jun 1998 - Oct 1998

5 months

Germany

Co-Project Manager

IT Service Provider

Project management: Migration of SAREG to CORT (Lotus Notes)
Script programming and 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 and consulting for database development
Lotus Notes R4, Lotus Formula Language

Mar 1998 - May 1998

3 months

Germany

Project Manager

Social Services 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 Service Provider

Revising Notes databases, development/testing/documentation of the customer information system (Domino, formula language/scripting)
Support with the rollout concept, installation of Notes servers
User training (end users)
Lotus Notes R4, Lotus formula language, LotusScript, Windows NT

Nov 1997 - Jun 2000

2 years 8 months

Germany

Lotus Notes/Domino Consultant

Csg Computer Service GmbH

Worked as a Lotus Notes/Domino consultant
Assignments in various projects
Worked for Lotus Development GmbH on a group loan from September 1999 to June 2000

Oct 1993 - Mar 1994

6 months

Germany

Student

University/Industry

Design/development and creation of a prototype for a marketing information system
Based on Lotus Notes R3
OS/2, Lotus Notes R3

Oct 1990 - Sep 1995

5 years

Berlin, Germany

Computer Science Graduate

Technical University of Berlin

Studied computer science
Focus: business- and administration-oriented applications of computer science
Thesis topic: Object-oriented standards for virtual enterprises

Jan 1983 - Dec 1990

8 years

Berlin, Germany

University Entrance Qualification

Robert Blum Secondary School

Secondary school with university entrance qualification

Jan 1977 - Dec 1983

7 years

Berlin, Germany

Primary School Student

Neumark Primary School

Primary school education in Turkey and Berlin
Graduated with a recommendation to attend a grammar school

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Education, Manufacturing, Government and Administration, Professional Services, and Banking and Finance.

Information Technology

Education

Manufacturing

Government and Administration

Professional Services

Banking and Finance

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Operations, Project Management, Research and Development, Quality Assurance, and Customer Service.

Information Technology

Operations

Project Management

Research and Development

Quality Assurance

Customer Service

Skills

Operating Systems:

Ibm Ispf
Ms-Dos
Mvs, Os/390
Os/2: Os/2 Warp
Sunos, Solaris: Sunos
Unix: Suse Linux, Aix
Windows: Windows 3.* To Windows 7
Windows 2003 Server
Windows 2008 Server

Programming Languages:

Assembler
Java
Javascript
Lotus Notes Script
Modula-2
Pascal
Perl
Rexx
Smalltalk

Databases:

Ms Access (Basic Knowledge)
Lotus Approach (Basic Knowledge)
Lotus Notes (Very Good Knowledge)
Ms Sql Server (Basic Knowledge)
Msql / Mysql (Basic Knowledge)

Cloud:

Aws
Microsoft Azure

Communication / Networks:

Ethernet
Fax
Internet, Intranet
Isdn
Lan, Lan Manager
Parallel Interface
Pc-Anywhere
Routers
Smtp
Snmp
Tcp/Ip
Token Ring
Windows Network

Other Software:

Bcc Admin Tool
Ms Project
Ms Visio
Ms Office (Word, Excel, Powerpoint, Access, Frontpage)
Lotus Smartsuite (Wordpro, Lotus 1-2-3, Freelance)
Paintshop Pro
Firewalls
Veritas Netbackup
Symantec Backup Exec
Netsupport
Tivoli Storage Manager
Symantec Mail Security For Domino
Mcafee Groupshield

Industries:

Automotive
Transport Service Providers
Banks (German And Swiss)
Public Sector And Government Agencies
Hardware Manufacturers
Information Technology
Pharmaceutical Industry
Chemicals
Telecommunications
Municipal Service Providers
Administration
It Service Providers
Social Service Providers
University/Industry

Training Completed:

Lotus Notes Administration (Admin 1, Os/390)
Lotus Notes Database Development 1 And 2
Lotusscript Ii
Mqseries Link For Lotus Notes
Mvs Compact Training – Fundamentals
Ispf, Pdf
Rexx
Job Control Language (Jcl)
Vsam
Structured Application Development
Introduction To Os/390
Sms, Racf, Dasd (Compact Course)
Os/390 Unix Services (Open Edition)
Tcp/Ip Fundamentals
Mqseries On Workstations
Domino On S/390 Unix Services, Installation And Setup

Languages

German

Native

Turkish

Native

English

Advanced

French

Elementary

Education

Oct 1990 - Sep 1995

Technical University of Berlin

Diploma in Computer Science · Computer Science · Berlin, Germany

Oct 1983 - Jun 1990

Robert Blum Secondary School

Abitur · Academic secondary school with Abitur · Berlin, Germany

Oct 1979 - Jun 1983

Neumark Primary School

Primary school · Berlin, Germany

...and 1 more

Statistics

Experience

Total positions 36

Experience in Information Technology 28 y

Avg length 2 y 1 m

Longest experience 23 y 4 m

Global experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Service Manager Microsoft Cloud Services (ITIL), Cloud Consultant – M365 Hybrid Migration, Interim Product and Service Manager Collaboration

Main industries Information Technology, Education, Manufacturing

Main business areas Information Technology, Operations, Project Management

Qualifications

Profile

Member since

September 2025

Last update

September 2026

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Frequently asked questions

Have questions? Find more information here.

Ensar is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.

Ensar speaks the following languages: German (Native), Turkish (Native), English (Advanced), French (Elementary).

Ensar has at least 46 years of experience. During this time, Ensar has worked in at least 25 different roles and for 21 different companies. The average length of individual experience is 1 year and 3 months. Note that Ensar may not have shared all experience and actually has more experience.

Based on recent experience, Ensar would be well-suited for roles such as: Service Manager Microsoft Cloud Services (ITIL), Cloud Consultant – M365 Hybrid Migration, Interim Product and Service Manager Collaboration.

Ensar's most recent position is Service Manager Microsoft Cloud Services (ITIL) at Industry (technology group).

In recent years, Ensar has worked for Industry (technology group) and Beyline IT Services GmbH.

Ensar is most experienced in industries like Information Technology, Education, and Manufacturing. Ensar also has some experience in Government and Administration, Professional Services, and Banking and Finance.

Ensar is most experienced in business areas like Information Technology, Operations, and Project Management. Ensar also has some experience in Research and Development, Quality Assurance, and Customer Service.

Ensar has recently worked in industries like Information Technology and Manufacturing.

Ensar has recently worked in business areas like Information Technology, Operations, and Project Management.

Ensar attended Technical University of Berlin for Computer Science.

The availability of Ensar needs to be confirmed.

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Daily rate avg. 965 €

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Median rate 980 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.