INFRASTRUCTURE & SECURITY ENGINEER

2 weeks ago


Singapore TRUSTED HUB LTD Full time

Responsibilities: Install, configure, and maintain physical and virtual servers (latest Windows Server OS), network devices (switches, firewalls), and desktops/laptops in a secure, on-premise data center environment. Manage and optimize the data center infrastructure, including physical rack organization, cabling, environmental controls, and power management. Support and improve network infrastructure — including design, VLAN configuration, routing, switching, and firewall rules — to ensure performance, stability, and scalability. Perform system and network hardening following industry standards (e.g., CIS Benchmarks) and security best practices. Monitor system and network performance; troubleshoot and resolve infrastructure issues across servers, networks, storage, and endpoints. Automate routine administrative tasks using PowerShell and scripting to improve operational efficiency and consistency. Support and maintain infrastructure applications such as backup systems, antivirus, endpoint protection, monitoring tools, and logging platforms. Manage and secure file



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