Senior System Engineer

Published on 23/01/2023

Petrol & Doğalgaz


Sarıyer, 34

Job Description:

Wyser is an international search & selection company present in 3-continents.

We are looking for an "Senior IT System Engineer" for one of our global business partners which is one of the world’s largest independent commodities trading houses by turnover, creating logistics solutions that safely and efficiently move physical energy from where it is sourced and stored to where it is demanded most.


  • Administer Exchange (O365 & On-prem) server and mail connectors (including email gateways) and an international multi-site environment
  • Develop and maintain procedures and processes needed to administer an Active Directory / MS Exchange
  • Install new / rebuild existing servers and configure hardware, peripherals, services, settings, directories, storage, etc. in accordance with standards and project / operational requirements
  • Administer, maintain, deploy, enhance server products and platforms (Physical and virtual servers and storage)
  • Upgrade and configure system software that supports Gunvor business applications
  • Apply OS patches and upgrades on a regular basis following change management procedures
  • Oversee the personnel responsible to create, change, and delete user accounts per request (including Active directory and SharePoint)
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server recourses, and system and application logs
  • Recommends / Establishes policies on system use and services
  • Perform periodic performance reporting to support capacity planning
  • Maintain data center environmental and monitoring equipment
  • Develop and maintain documentation of infrastructure
  • Microsoft Exchange O365 & on-Prem / Intune / VMWare AirWatch / Veritas Vault / Proofpoint Messaging systems maintenance, administration and support
  • Escalate problems to management, if necessary
  • Collaborate with Global IT
  • Ensure that systems are managed per established SLA (Service Level Agreement)
  • Support for global deployment will require off-hours support across multiple time zones

Soft Skill Requirements

  • Experience managing / deploying Microsoft Exchange, Windows servers, Active directory
  • Experience architecting messaging environments (design, implementation and administration)
  • Disaster Recovery experience with Exchange 2013 or later
  • 5+ years’ administrating experience and support other network related products such as AD, networking and related technical infrastructure
  • 3+ years’ experience with Microsoft Windows Servers 2012 and later, Microsoft Exchange 2013 and later
  • 3+ years’ administrating experience and support VMWARE and VEEAM
  • Experience with storage systems
  • Fluent in English (spoken and written) and work in an international / multi-cultural environment
  • Knowledge of Change Management and Incident Management procedure
  • MCSE certificate will be highly desirable
  • Excellent communication skill
  • Excellent problem-solving skills required
  • Must be a strong team player

Gi Group işgücü piyasasının gelişimi için hizmet veren, dünyanın önde gelen şirketlerinden biridir. Hizmet verdiği lokasyonlarda, dönemsel ve sürekli iş ilişkileri, seçme ve yerleştirme, İK danışmanlığı ve eğitim ve birçok ilgili tamamlayıcı alanlarda faaliyet göstermektedir. Gi Group ofisleri ve stratejik iş ortakları dahilinde Avrupa, Afrika, Asya ve Amerika genelinde 58’den fazla ülkede faaliyet göstermektedir. GI GROUP AND WYSER TURKEY SEÇME VE YERLEŞTİRME A.Ş. Türkiye İş Kurumu'nun 29.12.2020 tarihli 7511096 No'lu lisans sahibi özel istihdam bürosudur.”

Industrial sector

Petrol & Doğalgaz

Reference code



Evren Betul, is our consultant who manages this job opportunity.

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