System Administration Senior Specialist

Job Description Koç University Information Technology Directorate is seeking a System Administration Senior Specialist who will be primarily responsible for the University’s IT services. Manage, monitor, analyze and maintain Windows/Linux servers and virtualization platforms Manage, monitor and analyze cloud infrastructure across AWS and Azure Install and configure operating systems, plan infrastructure capacity, improve performance and ensure the continuity of daily operations Install physical and virtual servers and storage systems Manage backup and restore operations for storage systems integrated with SAN/NAS infrastructure or servers Monitor and maintain enterprise disk storage systems Monitor servers and system performance; create, edit and manage alarms in monitoring tools; and perform user and alarm management Ensure the continuity of hardware infrastructure, operating systems, applications and containers to provide uninterrupted service Work with system users and vendor support teams to resolve software and hardware issues Develop, maintain and regularly update disaster-recovery strategies and procedures Maintain the security of computing environments and follow new features and current issues to support patch management Contribute to defining and achieving the Engineering unit’s daily, weekly and monthly objectives Evaluate current methods and trends in Windows and VMware platforms and implement those appropriate for the environment Set up and manage disaster-recovery hardware and software environments Install and test operating system patches and upgrades in accordance with change-management procedures Prepare documentation for operating system patches and upgrades and coordinate implementation with other system administrators Support out-of-scope enterprise applications such as Microsoft 365 and Google Workspace and work with vendors to resolve issues Communicate with vendors and business owners regarding enhancements and updates as required Perform other assigned system-administration duties Qualifications Bachelor’s degree in information systems or a related field At least six years of experience in system administration or a related field An equivalent combination of education and experience demonstrating the required knowledge, skills and competencies Ability to translate user requests into technical requirements and provide technical support, documentation and training Ability to work independently on assigned projects and build effective working relationships with IT and business teams at different levels Proficiency in the use and administration of computers, Microsoft Office applications and related software Comprehensive knowledge of performance monitoring, system testing, software patch installation and testing, data security, backup, recovery and restart procedures Experience installing, maintaining, monitoring and performance-tuning enterprise servers and medium- to large-scale Windows Server 2016/2019, Linux and VMware vSphere environments Knowledge of DNS, LDAP directory services, web servers and standard networking protocols Knowledge of the physical and logical structure of Windows Server file systems, operating system upgrades and patch management Ability to use PowerShell and Windows Server scripting tools to automate centralized tasks Proficiency in Linux (Debian- and Red Hat-based distributions) and Windows Server environments Knowledge of AWS and Azure cloud infrastructure management is preferred DevOps experience is a strong advantage Advanced understanding of services such as Apache, Nginx, MySQL, Postfix and BIND Experience with monitoring and metrics platforms such as PRTG, Cacti and Prometheus is a strong advantage Experience with virtualization and container technologies such as VMware, Hyper-V, OpenStack and Kubernetes Experience in server hardware installation, administration and maintenance Experience with Microsoft System Center Datacenter products Familiarity with SAN and storage systems Familiarity with software-defined systems Knowledge of high-availability and load-balancing architectures Familiarity with load-balancing platforms such as F5 and Nginx Enterprise Excellent written and spoken English Strong analytical, problem-solving and effort-estimation skills Strong teamwork and time-management skills No military obligation for male candidates Relevant Skills Linux, Windows Server, Red Hat Linux, Hyper-V, VMware, Amazon Web Services (AWS), VMware ESXi, MySQL and Virtualization