Network Infrastructure Specialist

People Profilers; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

A leading IT recruitment firm in Singapore is seeking a Senior IT Infrastructure Specialist to manage and support network infrastructure. Responsibilities include overseeing the entire IT infrastructure, providing significant support for incidents, and ensuring optimal network performance. Ideal candidates will have at least 3 years of experience and expertise in key technologies like Cisco and VMware. This role requires strong communication skills and the ability to work under pressure.

Qualifications

• At least 3 years of working experience in IT Infrastructure Support.
• Strong interpersonal communication skills.
• Ability to effectively prioritize tasks under pressure.

Responsibilities

• Manage the entire infrastructure, including networks and servers.
• Provide Level 2 and higher support for IT infrastructure-related incidents.
• Apply and enforce firewall rules and security configurations.

Skills

Microsoft Windows Server Operating System

VMware Virtualisation

Cisco IOS and networking skills

VLANS, DHCP and DNS

Microsoft Office 365

Google G Suite

Tools

FortiGate Firewalls

Cisco Switches

Job description

Working hours: 8am – 5pm / Fully on-site

Responsibilities

• Manages the entire infrastructure, including networks, servers, WLC, security systems (Firewall, IPS), and special network services (DHCP, DNS, VLAN, Routing Protocols)
• Provide Level 2 and higher support for IT infrastructure-related incidents. Address reported incidents and manage escalations until a workaround is identified and normal service is restored. Update the incident status in the ITService Desk System. If an incident remains unresolved, escalates to Level 3 following established procedures.
• Configure, manage, and troubleshoot Switches, WLC, Firewall and other network equipment to ensure optimal network performance and proactively resolve any issues before they affect IT services.
• Apply and enforce firewall rules (FortiGate) and security configurations to protect systems from cybersecurity threats.
• Manage Layer 2 and Layer 3 switch configurations (Cisco) for effective network traffic routing and segmentation.
• Perform regular firmware and operating system updates on network equipment and servers to enhance security and functionality.
• Monitor and optimise network performance, troubleshoot connectivity issues, analyse network traffic for potential concerns and implement capacity expansion to reduce the risk of service disruptions.
• Plan and execute IT infrastructure projects, including provisioning new systems, upgrading existing infrastructure, and deploying new services. The Senior IT infrastructure Specialist is expected to lead and deliver the projects.
• Document the design and configuration of the IT infrastructure, ensuring that the documentation is kept up to date for operational reference.
• Continue to grow professionally by learning new technologies and techniques and keeping current with best IT practices.
• Perform other duties as directed by the Head of IT Operations and Business Partnering, or such persons as the company may designate.

Requirements

• Microsoft Windows Server Operating System
• VMware Virtualisation
• Cisco IOS, network switch, network router, WLC and IP Telephony
• VLANS, DHCP and DNS
• Microsoft Office 365 and Google G Suite
• Relevant IT experience in deploying or managing network infrastructure and services.
• Highly self‑motivated and detail oriented.
• Ability to effectively prioritize tasks under pressure, and experience in working in a team‑oriented and collaborative environment.
• Excellent verbal and written English skills.
• Strong interpersonal communication skills.
• At least 3 years of working experience in IT Infrastructure Support.
• Advantage if you have:
  • ITIL related certifications
  • Microsoft and Cisco related certifications
  • Microsoft Cloud Computing related experiences and certifications
  • Project Management related experiences and certification

Please submit your updated resume in Word format by using the Apply Now Button.

We regret that only shortlisted candidates will be notified.

Email resume to ***********@peopleprofilers.com