IT INFRASTRUCTURE & NETWORK ADMINISTRATOR

Job Title: IT Infrastructure & Network Administrator

Reports To: IT Manager / Head of IT

Department: Information Technology

Location: On-site (Office-based)

Grade / Level: Mid Level | Team Lead

Job Purpose

The IT Infrastructure & Network Administrator is responsible for the end-to-end management of the organization's IT infrastructure, including virtual and physical servers, network and security systems, user access, and building systems such as CCTV and biometric access control. The role ensures high availability, security, and performance of all IT systems while coordinating hardware and software procurement to support business operations.

Key Responsibilities

1. Server & Virtualization Management

• Handle, monitor, and reconfigure virtual machines (VMs) to ensure optimal performance and availability.
• Configure, manage, and maintain physical servers, including installation, patching, and lifecycle management.
• Perform regular health checks, capacity planning, and troubleshooting of server infrastructure.

1. User Access & File Systems

• Create, manage, and maintain user accounts and access permissions.
• Administer Single Sign-On (SSO) configuration and integration across systems.
• Manage backup file systems, file sharing environments, and SharePoint sites, ensuring data integrity and availability.

1- Network & Security

• Implement, configure, and manage firewall systems to protect organizational network resources.
• Manage and maintain office floor network infrastructure, including switches, cabling, and Wi-Fi coverage.
• Monitor network performance and troubleshoot connectivity issues.

1. Physical Security Systems

• Configure and manage the CCTV system, including camera setup, storage, and footage retrieval.
• Manage the access control and biometric systems, including user enrollment and troubleshooting.

1. Domain & Directory Services

• Manage domain services, including Active Directory (or equivalent), group policies, and domain-joined devices.

  2- IT Security Management

• Develop, implement, and maintain IT security policies, procedures, and best practices across the organization.

• Monitor systems and networks for security threats, vulnerabilities, and unauthorized access, and respond to incidents promptly.

• Manage endpoint protection, antivirus/anti-malware solutions, and patch management across servers and workstations.

• Conduct periodic security audits, risk assessments, and vulnerability scans, and coordinate remediation actions.

• Ensure data protection, backup integrity, and disaster recovery readiness in line with organizational and compliance requirements.

• Maintain security documentation, incident logs, and reports for management and audit purposes.

  3- Procurement Coordination

• Coordinate procurement of IT hardware and software, including vendor liaison, quotations, and delivery tracking.

• Maintain an inventory of IT assets and licenses.

Desired Candidate Profile

Qualifications & Experience

• Bachelor's degree in Information Technology, Computer Science, or a related field.
• 3-5 years of experience in IT infrastructure, network administration, or systems administration.
• Relevant certifications preferred (e.g., CCNA, MCSA/MCSE, VMware VCP, Security+).

Skills & Competencies

• Strong knowledge of virtualization platforms (VMware, Hyper-V, or similar).
• Hands-on experience with Active Directory, SSO, and file/SharePoint administration.
• Solid understanding of firewall, network, and security configuration.
• Familiarity with CCTV and biometric/access control systems.
• Knowledge of IT security principles, including endpoint protection, vulnerability management, and incident response.
• Strong troubleshooting, documentation, and vendor coordination skills.
• Good communication skills and ability to work independently and under pressure.

Work Environment

• Primarily office-based, with occasional after-hours work for maintenance or emergency support.
• May require movement between office floors/sites for network and hardware-related tasks.