Mesut YILMAZ
Senior System Administrator
Istanbul
Summary
Senior Systems Administrator with over 18 years of experience in system and network implementation and maintenance. Proven history of managing complex infrastructure and data center operations. Expert in solutions-oriented system and network problem-solving and dedicated to providing best-in-class service. Skilled at troubleshooting, communication, and collaboration.
Overview
18
18
years of professional experience
4
4
years of post-secondary education
3
3
Certificates
Work History
IT SR. ADMIN, SYSTEM & DB
Airties Wireless
Istanbul
09.2021 - Current
- All Windows Servers and Infrastructure Management
- (Installation, Backup, Maintenance, Optimization & Monitoring )
- All AD Services Responsibility, including Azure AD
- Worked closely administration to develop and implement best practices to improve patient outcomes.
- Cloud Infrastructure Management
- Implement Self Service AD Features (ADSS Plus, Azure Active Directory)
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Drove continuous improvement of IT governance processes.
- Managed onboarding and offboarding of employees.
- Adopted cost-effective, useful solutions to implement into current systems.
- Introduced management tools to create and manage virtual server computing environment.
- Orchestrated integration and communication of software upgrades.
- Designed proactive preventive maintenance schedules to prevent unnecessary downtime and hardware faults.
IT UNIT MANAGER
Turassist
Istanbul
09.2010 - 07.2021
- All Servers and Infrastructure Management, Installation, Maintenance, Optimization & Monitoring )
- Keeping hardware and software inventory for System Room and Digital Channels
- To ensure that the entire system infrastructure is up and running 24/7
- Service Desk Team Leadership.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Assisted in development and implementation of policies, procedures, and regulations for unit operations.
- Contributed to development, administration and testing of disaster recovery plans.
IT SPECIALIST
DEMIROREN HOLDING Formerly DOGAN HOLDİNG
Istanbul
09.2005 - 06.2009
- Collaborated with supervisors to escalate and address customer inquiries or technical issues.
- Assisted with updating technical support best practices for use by team.
- Configured hardware and granted system permissions to new employees.
- Monitored systems in operation and quickly troubleshot errors.
- Created user accounts and assigned permissions.
Education
Bachelor's Degree - Faculty of Technical Education
Marmara University
Istanbul 09.2001 - 06.2005
Skills
Office 365 Administration
Offboarding and onboarding
Virtualization
Azure Cloud Services
Technical specifications
Server maintenance
System upgrades
Database Administration
Recruiting and Hiring
Capital Budget Management
Quality Improvement
Case management
Windows Systems and Services
Active Directory
Windows Server Features (DNS,GPMC,DHCP,IIS etc)
New Implementations
Project Managament
IT Security
Timeline
IT SR. ADMIN, SYSTEM & DB
Airties Wireless
09.2021 - Current
Windows Server 2012 Advanced System Management
07-2015
Vmware Install, Configure & Management
05-2015
CCNP // ROUTING
06-2013
IT UNIT MANAGER
Turassist
09.2010 - 07.2021
IT SPECIALIST
DEMIROREN HOLDING Formerly DOGAN HOLDİNG
09.2005 - 06.2009
Bachelor's Degree - Faculty of Technical Education
Marmara University
09.2001 - 06.2005
Certification
Vmware Install, Configure & Management
Additional Information
- English Level : C1 (Advanced)
Affiliations
Will be submitted upon your request.