IT Infrastructure Specialist

People Profilers Pte Ltd; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A technology recruitment agency in Singapore is seeking an experienced IT Infrastructure Specialist to manage and support the organization's IT infrastructure. The ideal candidate will have a strong background in network configuration, troubleshooting, and project management, alongside a relevant diploma or degree. Responsibilities include managing networks, enforcing security protocols, and providing technical support. This role offers an opportunity to work in a dynamic environment focused on delivering high-quality IT solutions.

Qualifications

• Minimum 4 years of experience in IT infrastructure support or network administration.
• Good knowledge of Cisco IOS, network switches, routers, and IP telephony.
• Strong analytical and troubleshooting skills.

Responsibilities

• Manage IT infrastructure including networks, servers, and core network services.
• Provide Level 2 support for infrastructure incidents.
• Implement and enforce firewall rules and security best practices.

Skills

Network configuration

IT infrastructure support

Troubleshooting

Project management

Communication skills

Education

Diploma or Degree in Information Technology or related discipline

Tools

Cisco IOS

FortiGate Firewalls

Microsoft Windows Server OS

VMware Virtualization

Job description

Responsbilities:

• Manage the organization’s IT infrastructure, including networks, servers, wireless controllers (WLC), firewalls, IPS, and core network services such as DHCP, DNS, VLAN, and routing protocols.

• Provide Level 2 and above support for IT infrastructure incidents — troubleshoot, resolve, and elevate as required in accordance with established procedures.

• Configure, maintain, and troubleshoot network equipment (Switches, Firewalls, WLCs) to ensure system stability and optimal performance.

• Implement and enforce firewall rules (FortiGate) and security best practices to safeguard systems against cybersecurity threats.

• Manage Layer 2/3 switch configurations (Cisco) and ensure efficient routing and network segmentation.

• Conduct regular updates and patching of network equipment and servers to maintain performance and security.

• Monitor and optimize network performance, analyze traffic, resolve connectivity issues, and plan for capacity expansion.

• Lead and execute infrastructure projects, including new system provisioning, upgrades, and service deployments.

• Maintain up-to-date documentation of network designs, configurations, and procedures for operational and audit purposes.

• Stay current with emerging IT technologies and best practices to support continuous improvement.

• Support and uphold child safeguarding responsibilities in accordance with Cognita’s Child Protection Policy and Procedures.

Requirements:

• Diploma or Degree in Information Technology or related discipline.

• At least 4 years of experience in IT infrastructure support or network administration.

• Good knowledge in the following areas:
  Microsoft Windows Server OS, VMware Virtualization
  Cisco IOS, network switches, routers, WLC, and IP telephony
  FortiGate Firewalls
  VLANs, DHCP, DNS
  Microsoft Entra Directory, Microsoft 365, Google Workspace

• Strong analytical, troubleshooting, and project management skills.

• Excellent communication and interpersonal abilities.

• Self‑motivated, detail‑oriented, and able to prioritize effectively under pressure.

• Added advantage if you possess:
  ITIL certification
  Microsoft or Cisco certifications
  Cloud computing experience (Microsoft Azure)
  Project management certifications (e.g., PMP, PRINCE2)

We regret that only shortlisted candidates will be notified.

Interested applicants kindly click on “apply now” or send your updated resume to [e-mail]

Jayden Kua Jing Yu

Registration Number: R24124814

EA License Number: 02C4944

People Profilers Pte Ltd, 20 Cecil St, #08-09, PLUS Building, Singapore 049705

http://www.peopleprofilers.com