IT System Administrator

Job Description

Title: IT System Administrator

Company Name: Cosmos Group

Vacancy: 1

Age: Na

Job Location: Dhaka

Salary: Tk. 30000 - 35000 (Monthly)

Experience: --

Published: 2026-09-27

Application Deadline: 2026-10-27

Education:

Requirements: --

Skills Required:

Additional Requirements:

Responsibilities & Context:

Network & Infrastructure Management

• Configure, manage, and maintain routers, managed switches, Wi-Fi access points, and internet connectivity across all 9 floors.

• Monitor network performance and ensure reliable connectivity.

• Troubleshoot LAN, WAN, Wi-Fi, DHCP, DNS, routing, and connectivity issues.

• Assist with VLANs and network segmentation to maintain secure separation between companies.

NAS & Storage Administration

• Deploy, configure, and maintain dedicated NAS servers, such as Synology or QNAP, for the 9 companies.

• Create and manage users, groups, shared folders, permissions, and storage quotas.

• Configure and maintain file-sharing services such as SMB, NFS, and FTP/SFTP where required.

• Monitor storage utilization, disk health, RAID status, and system alerts.

Data Security & Backup

• Maintain strict network and storage isolation between individual companies.

• Implement appropriate access-control policies based on organizational requirements.

• Configure and monitor scheduled backups.

• Regularly verify backup integrity and assist with data restoration when required.

• Follow security best practices for administrator accounts, passwords, firmware, and system updates.

Troubleshooting & IT Support

• Diagnose and resolve network outages, hardware failures, storage problems, and NAS-related issues.

• Provide prompt on-site support for network access, Wi-Fi, shared folders, printers, and file-sharing issues.

• Perform preventive maintenance and maintain technical documentation.

ISP & Vendor Coordination

• Coordinate with Internet Service Providers and relevant hardware/service vendors.

• Follow up on connectivity problems and service disruptions to minimize downtime.