Senior Systems Administrator

I.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 patching, and automation using scripts or configuration management tools.
• Perform database administration tasks, including basic management of SQL Server, MySQL, or PostgreSQL, focusing on backup, recovery, and performance tuning.
• Align with ISO 9001 (QMS), Data Privacy (DPA 2021), and ISO 27001 (ISMS) objectives with participation in policy formulation and audits as required.
• Maintain d...