LinkedInHuseyin Unal

Huseyin Unal

Senior Systems Administrator

London, United Kingdom
Information Technology and Services
  1. BNP Paribas Cardif,
  2. - DSM Grup Danışmanlık,
  3. Simternet
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Since 2007 has served as a Systems Administrator and IT Consultant in many large-scale IT Projects. Particularly interested in Microsoft Infrastructure Systems, Exchange Server, Web Farms, Hyper-V, cloud computing and virtualization technologies. Very careful to implement best practices in projects. Passionate for creating horizontally scalable, reliable and highly available no SPOF infrastructure systems.

Specialties: • Windows Server 2003 / 2008 R2, 2012 R2, Hyper-V, Exchange Server 2007/2010/2013, Active Directory, Remote Desktop(Terminal) Services, Advanced IIS and DNS, SQL Server, MOSS / SharePoint Server 2010, FAST Search Server, Lync Server, ISA Server & Forefront TMG-UAG-Endpoint Protection, AD RMS, TFS 2010, MDOP

EMC VNX, NetApp, fibre channel, iSCSI, VMware ESX, vSphere, Active Directory, Windows failover clustering, Windows Performance Monitoring, NLB, Scale-Out file server, Anycast DNS, Backup DNS&MX, Blackberry Enterprise Server, RIPE, Guest Clustering, PRTG, Nagios, Palo Alto Firewall, Microsoft Virtual Machine Manager, Site-to-site VPN, 802.1x, Veeam.

• Installing, configuring and troubleshooting server systems and services.

• Disaster Recovery, High Availability, LAN/WAN/GEO Clustering, Load Balancing, enterprise level systems design and implementation.


System Administrator

BNP Paribas Cardif
(7 months)Istanbul, Turkey

BNP Paribas Cardif, the insurance subsidiary of BNP Paribas has become a global specialist in personal and property insurance, with a presence in 37 countries across Europe, Asia and Latin America. Working as a System Administrator in Turkey head office. Taking part in the disaster recovery site project and working closely with France head office.

System Administrator - DSM Grup Danışmanlık
(2 years 8 months)Istanbul, Turkey is the leading and fastest-growing fashion e-commerce company which has over 900 employee, about 700k daily unique visitors and more than 7m members. Was responsible for all Microsoft infrastructure systems used at Trendyol and to achieve maximum uptime for internal and external users.

● Designed and installed a multi-site, fully redundant Exchange 2010 DAG and Blackberry Enterprise Server infrastructures from scratch which has over 600 active users and stretched between two datacenters.

● Designed, installed and configured System Center Configuration Manager 2012 to perform Microsoft and 3rd party patch management and antivirus management using System Center Endpoint Protection for the clients that are in the remote sites and untrusted forests.

● Proactively monitor over 350 Windows Server 2008 R2/2012 R2, application servers, service specific performance counters and network appliances. Reported trendings in the health-check meetings to identify risks, problems and planning capacity in advance.

● Planned VMware to Hyper-V migration; installed and configured a new 8-Node Hyper-V 2012 R2 Cluster.

● Configured and managed Microsoft Azure Active Directory and IaaS services. Experienced in on-premise Exchange to Office 365 migrations and federation(ADFS).

● Virtualized a physical SQL Server 2008 R2 cluster and used the new Virtual SAN feature to connect fibre channel EMC VNX SAN directly to the virtual machines to configure guest clustering on Hyper-V 2012 R2.

● Carried out web and application load balancing, content switching and monitoring tasks using the Citrix Netscaler appliances.

● Strong passion and hands-on experience on Hyper-V, Exchange Server, Desktop and Server Virtualization, Microsoft Azure, Office 365, IIS Web Farms, Performance monitoring, Trending, Windows failover clustering, Storage Area Network, scalable and highly available systems designing.

Systems Administrator

(1 year 3 months)Istanbul, Turkey

Simternet is a Microsoft Gold Certified Partner company which provides information technology consulting, SharePoint package solutions and cloud computing solutions to clients in different sectors. Served as a System Administrator and Microsoft SharePoint Consultant.

Undertook the management of all the servers, hosting and cloud systems within Simternet and located in datacenters. Undertook the installation, configuration and management of many Microsoft infrastructure products, especially Windows Server 2008 R2, Hyper-V R2, IIS, DNS, Exchange Server 2010, SQL Server 2008 R2, SharePoint Server 2007/2010, FAST Search Server 2010 for SharePoint, Lync Server 2010, Forefront TMG-UAG, AD RMS and TFS 2010.

Systems and Network Administrator

Bakirkoy Training & Research Hospital Istanbul
(2 years 7 months)Istanbul, Turkey

Worked as a “Systems and Network Administrator” in “Bakirkoy Training and Research Hospital” and polyclinics connected to the hospital.

• Directed more than 500 clients and over 1000 users within “Bakirkoy Training and Research Hospital” (BTRH) and polyclinics connected to the hospital.

• Undertook administration of system and network in an “Avcilar State Hospital” which is connected to BTRH. Planned a new system structure and performed all the server deployments.

• Was responsible for installation, configuration and management of all Microsoft and 3rd party server products in the system, all servers and services to help to achieve maximum uptime for internal and external users.

Systems and Network Administrator

Erguvan Bilişim A.Ş.
(2 years 7 months)Istanbul, Turkey

Erguvan Bilisim is a Microsoft and Oracle Gold Certified Partner company which develops custom solutions for the health sector. Worked as a “Systems and Network Administrator” in “Bakirkoy Training and Research Hospital” and polyclinics connected to the hospital. Also provided a system and network consulting service to other hospitals which were the company’s customers such as “Istanbul Training and Research Hospital” and “Avcilar State Hospital”


  1. English

    Professional working proficiency
  2. Turkish

    Native or bilingual proficiency


  • Hyper-V
  • DNS
  • IIS
  • Microsoft Exchange
  • Microsoft Technologies
  • Virtualization
  • Load Balancing
  • Cluster
  • Windows Server
  • Microsoft Office...
  • Office 365
  • Microsoft Azure
  • TMG
  • Active Directory
  • DNS administration
  • Cloud Computing
  • SharePoint Server
  • Disaster Recovery
  • HP Proliant
  • Servers
  • Microsoft SQL Server
  • Data Center
  • SharePoint
  • Enterprise Architecture
  • FAST Search Server
  • Lync Server
  • Dell PowerEdge Servers
  • HP ProLiant Servers
  • PowerShell
  • Clustering
  • Troubleshooting
  • High Availability
  • Forefront TMG, UAG
  • SCCM
  • Patch Management
  • NAP
  • 802.1x
  • Nagios
  • VMware
  • Blackberry Enterprise...
  • Windows Azure
  • Hosted Microsoft...
  • AD RMS
  • Perfmon
  • Enterprise Messaging
  • ADFS
  • Automation
  • VMware ESX
  • See 34+  See less


Microsoft Certified Technology Specialist (MCTP)

Microsoft, License C649-3070
– Present

Microsoft Certified Systems Engineer: Security (MCSE+S)

Microsoft, License C649-3060

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