Yalçın ERDEM

Senior Cloud Solution Architect at Microsoft | CISSP, CCSP

Istanbul, Istanbul, Türkiye

About

Experienced in Identity, Security, System Architecture, design, troubleshooting, capacity planning, performance tuning, IT architecture and budgeting. A total of 20 years work experience in biggest Software Vendors, Telecommunication and Banking Companies.

Experience

  • Microsoft (9 yrs)
    • Senior Cloud Solution Architect
      Jul 2022 - Present · 4 yrs

    • Senior Customer Engineer
      Aug 2020 - Jul 2022 · 2 yrs

    • Senior Premier Field Engineer
      Jul 2017 - Aug 2020 · 3 yrs 2 mos

  • Expert Architect at IBTech
    Dec 2013 - Jul 2017 · 3 yrs 8 mos

    POSITION • Designing all messaging environments like Microsoft Exchange Servers, BES, Lync, smtp servers • Managing all windows cluster systems • Managing Finansbank domain controllers, CA, IIS servers, File&Print servers. • Implementing and designing SAN disk replacements for windows servers and clusters • Managing all windows application servers operating systems • Managing Finansbank virtualization products(Hyper-V and Vmware) • Troubleshooting windows server problems • Desinging high availibility for Exchange, BES, Lync,Vmware, DC, RMS • Implementing high available windows applications PROJECTS • Exchange Activesync/blackberry security project: Project for securing activesync devices via exchange activesync policies and blackberry MDM product • Virtual Desktop project: Project for extend and upgrade VMVIEW vdi solution • Active Directory 2012 R2 upgrade project: Project for upgrading 2008 R2 to 2012 R2 • BES 10 upgrade:Designing high-available BES environment and securing BES 10 devices with IT policies • Bulk email project: Design and implement SMTP solution for sending 800.000 daily mails to customers • File servers 2012 R2 upgrade: Designing high available file servers using DFS and clustering, upgrading 2008 cluster servers to 2012 R2 using storage replication tools and MS tools.

  • Senior Windows Administrator at Avea
    Oct 2007 - Nov 2013 · 6 yrs 2 mos

    POSITION • Managing all messaging environments like Microsoft Exchange Servers, BES, OCS, smtp servers, anti-spam hw’s. • Managing all windows cluster systems • Managing Avea prod. domain controllers, SCOM servers,CA, IIS servers, ISA, File&Print servers. • Managing all windows application servers operating systems • Managing AVEA virtualization products(Hyper-V and ESX) • Troubleshooting windows server problems • Desinging high availibility for Exchange, BES, SCOM, OCS, DC, Proxy, RMS • Implementing high available windows applications PROJECTS • Project for adding all Unix servers(700 servers) to active directory domain- Users be able to access unix environments using their domain credentials • Active Directory 2003 to 2008 R2 migration project • RMS 2008 to AD RMS 2008 R2 project • Oracle database login with Active Directory • BES server 5.0 upgrade project and design high availability with special clustering system • Exchange 2003 to Exchange 2010 upgrade project- 5000 mailboxes with 15 TB storage moved to Exchange 2010 environment • Design and implement high available domain controllers, file&print servers, proxy servers for an new site on 2009(Umraniye site) • SCOM project- Design and impelement clustered SCOM servers monitors all AVEA office automation systems like Exchange, DC’s, proxy’s, BES servers.Implement integration with Openview monitoring system. • File&Print server 2003 to 2008 upgrade project • ISA server 2006 to TMG upgrade project • Implement OCS 2007 R2 project • Planning and implementing Symantec Enterprise Vault email journaling project.

  • System administrator at Turkcell Shubuo
    Jul 2002 - Nov 2006 · 4 yrs 5 mos

    POSITION • Managing all messaging environments like Microsoft Exchange Servers, OCS, smtp servers, anti-spam hw’s. • Managing all network appliances like Cisco PIX firewall and routers. • Managing prod. domain controllers, MOM servers, IIS servers, ISA servers. • Managing all windows application servers operating systems • Administering SQL server 2000/2005 servers • Implementing cisco vpn scenerios PROJECTS • Upgrading NT 4.0 servers to Windows server 2003 • Impelement Sharepoint 2007 • Implement MOM server • Domain upgrade 2000 to 2003 • Implement E-mail anti-spam gateway