Systems and Network Engineer #HFT

RECRUIT EXPRESS PTE LTD; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

RECRUIT EXPRESS PTE LTD in Singapore is seeking an experienced IT Infrastructure & Security Engineer to oversee the organization’s IT backbone, ensuring performance, security, and reliability across servers, networks and cloud services.

The role includes managing Windows servers, AD, DNS, DHCP, network devices, security policies, backups, DR, patching, and documentation, with standby support on rotation. Extensive certs expected.

Qualifications

• Bachelor's degree in information technology or related field.
• Certifications in networking and security (e.g., CCNA/CCNP/CCIE, Azure Solutions Architect, Windows Server, CISSP, CISM, CompTIA Security).
• At least 5 years of experience in systems, network and cybersecurity operational support.

Responsibilities

• Oversee IT infrastructure ensuring performance, security and reliability of servers, network, security systems and cloud services.
• Maintain Windows servers, virtualization platforms and storage solutions.
• Manage Active Directory, DNS, DHCP and Group Policy with high availability and DR backups.

Skills

CCNP

CCIE

CISSP

CISM

CompTIA Security+

Azure Solutions Architect

Windows Server Administrator

Education

Bachelor's degree in information technology or related field

Job description

Job Responsibilities

• Oversee the organization's IT infrastructure, ensuring optimal performance, security, and reliability of servers, network and security systems, as well as cloud services


• Maintain Windows servers, virtualization platforms, and storage solutions.


• Manage Active Directory, DNS, DHCP, and Group Policy. Ensure high availability and disaster recovery with backups and replication.


• Monitor system performance, troubleshoot issues, and apply patches and updates.


• Implement network design, configure, and maintain LAN, WLAN, and VPN infrastructure, managing firewalls, switches, and routers.


• Implement and monitor network security policies, intrusion detection, and access control.


• Optimize network performance, troubleshoot connectivity issues, and ensure redundancy.


• Implement cybersecurity best practices, monitor threats, and manage endpoint protection and vulnerability assessments.


• Ensure compliance with regulations (e.g., HIB).


• Conduct security audits and enforce policies on user access, encryption, and authentication.


• Create and maintain network documentation, including network diagrams, configurations, and procedures.


• Provide standby support during off-office hours and weekend on a rotational basis.

Requirements

• Bachelor's degree in information technology or related field.With networking, system and security certifications such as CCNA, CCNP, CCIE, Microsoft certified Azure Solutions Architect and/or Windows Server Administrator, CISSP, CISM and CompTIA Security.


• At least 5 years of experience providing systems, network and cybersecurity operational support.


• Must have hands‑on experience with servers, network and security devices, firewall, switches, routers, load balancers and wireless solutions