Senior Systems Administrator

I PURPOSE

The Senior Systems Administrator is responsible for the monitoring and management of server systems and applications in production, both in on-premises data centers and cloud environments. This role primarily focuses on Active Directory administration, Linux system management, and basic database administration to ensure the security, stability, and performance of the organization's IT infrastructure.

II.      DUTIES AND RESPONSIBILITIES

• Work with the infrastructure team to operate, manage, and support the company's technical infrastructure.
• Provide operational support (incidents, service, and change requests) based on SLA and the company's service management framework.
• Serve as the go-to expert for Active Directory administration, including Group Policy (GPOs), authentication mechanisms, DNS, CA/PKI, WSUS, and other AD-integrated services.
• Manage Linux servers (Ubuntu, CentOS) including user access, security, system patc...