System Administrator

Client of Aroma City Group

Key Responsibilities:

Administer, configure, and maintain Microsoft Exchange Server and Office 365 (M365) environments, including email services, user management, and security policies.

Manage Active Directory (AD) , Group Policies, DNS, DHCP, and related domain services.

Maintain, monitor, and optimize Windows Server environments (on-premise and cloud-based).

Configure, monitor, and troubleshoot network infrastructure including switches, routers, firewalls, and VPNs.

Implement and enforce IT security best practices , including endpoint protection, identity management, and access controls.

Manage cloud platforms (Azure, M365 cloud services) for scalability, backup, and disaster recovery.

Perform regular system monitoring, patch management, and performance tuning.

Provide technical support and issue resolution for escalated IT problems.

Prepare documentation for processes, configurations, and system changes.

Collaborate with IT teams and vendors to deliver reliable and secure IT operations.

Requirements:

Bachelor s degree in Information Technology, Computer Science, or related field (preferred).

Minimum of 5 years of experience as a System Administrator in IT companies.

Strong expertise in Microsoft Exchange, Active Directory, Office 365, and Windows Server environments .

Solid understanding of networking protocols (TCP/IP, DNS, DHCP, VPN, VLANs) and network security.

Hands-on experience with cloud technologies (Microsoft Azure, M365 services).

Proven knowledge of IT security practices including firewalls, antivirus, intrusion detection, and identity/access management.

Microsoft certifications (MCSA, MCSE, or Microsoft 365 Certified) required.

Strong analytical, troubleshooting, and problem-solving skills.

Excellent communication and documentation abilities.

Preferred Skills:

Experience with virtualization platforms (VMware, Hyper-V).

Familiarity with backup and disaster recovery solutions.

Knowledge of Linux environments (optional but beneficial).

ITIL foundation knowledge is a plus.