System and Infrastructure Specialist / Process Lead, İstanbul | Koç Kariyerim

• Install, manage, and maintain physical and virtual server infrastructures,

• Administer and ensure the continuity of Windows and Linux server systems,

• Manage services such as AD, DNS, DHCP, RADIUS, GPO, and ADFS,

• Administer Azure, SharePoint, and Office 365 environments,

• Ensure the availability and performance of LAN and WAN infrastructures,

• Manage security infrastructure in compliance with information security policies,

• Administer mail servers and Active Directory systems,

• Manage Firewall, IPS, and content filtering systems,

• Perform routine operational checks (e.g., daily backup reports),

• Prepare required documentation and procedures for assigned projects,

• Monitor technological developments and provide improvement recommendations,

• Support IT department management processes,

• Manage user, group, and authorization configurations on Exchange / Office 365,

• Support IT budgeting and reporting processes,

• Actively participate as a team member in new projects,

• Provide periodic reports to the direct manager,

• Ensure uninterrupted and efficient operation of IT infrastructure and operations,

• Provide support for Help Desk requests at all levels when necessary.

General Qualifications

• Bachelor’s degree in Computer Engineering, Electrical/Electronics Engineering, or a related field,

• At least 3 years of experience in system and infrastructure management,

• Strong analytical and problem-solving skills with a proactive and research-oriented mindset,

• Customer- and solution-oriented with strong communication skills,

• Willingness to learn and apply new technologies and systems,

• Intermediate or higher level of English proficiency,

• Ability to work flexibly in line with project deadlines,

• Strong team player with a service-oriented mindset, able to collaborate effectively with IT and other business units.

Technical Qualifications

• Experience in installation, management, maintenance, troubleshooting, and performance optimization of physical and virtual servers (MS Hyper-V, Azure),

• Proficient in Windows Server and Linux Server installation and administration,

• Hands-on experience with AD, DHCP, DNS, RADIUS, GPO, and ADFS services,

• Experience with Microsoft Azure, SharePoint, and Office 365 services,

• Knowledge of LAN & WAN technologies, TCP/IP, Routing, and SSL VPN,

• Experience in managing Firewall, IPS, Content Filtering, DLP, NAC, IPSEC, Wireless, VoIP, and QoS infrastructures,

• Experience with Endpoint Central and SCCM for client and server patch management,

• Experience in end-user management and support processes,

• Experience in server backup and restore management,

• Knowledge of IT asset inventory management and tracking,

• Familiar with Antivirus / Anti-Spam solutions,

• Experience with corporate email systems (Exchange Server, Office 365),

• Experience in project management processes,

• Experience in IT procurement processes,

• Ability to write scripts for Linux/Unix systems (Shell scripting) when required.