Network Engineer – Enterprise Infrastructure & Security

Peoplebank Hong Kong Limited; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

IT is seeking an experienced Network Engineer to support enterprise network and security infrastructure, ensuring high availability, operational stability and security.

You will administer HPE Aruba networking and ToR switches, manage VLANs and firewall policies with Check Point, perform proactive monitoring and incident management, and leverage Ansible automation to improve reliability. Travel to customer sites may be required.

Qualifications

• Diploma or Degree in IT/CS/Engineering or related discipline.
• 4-6 years of relevant experience in enterprise network infrastructure.
• Hands-on experience with HPE Aruba networking, HPE ToR switches and Check Point firewalls.
• Strong understanding of VLANs, trunking, routing, firewall policies and ACL management.
• Experience in network troubleshooting, incident management, change management and problem resolution.
• Knowledge of CIS hardening and experience with Ansible automation.
• Strong analytical and problem-solving skills, with the ability to manage operational activities independently.

Responsibilities

• Administer, configure and maintain HPE Aruba networking and HPETop-of-Rack (ToR) switches.
• Manage VLANs, trunking, switching and network connectivity.
• Perform proactive network monitoring, health checks, maintenance and infrastructure upgrades.
• Troubleshoot network and storage connectivity issues to ensure operational stability.

Skills

Network troubleshooting

Incident management

Ansible automation

CIS hardening

Analytical thinking

Independent work

Education

Diploma or Degree in IT/CS/Engineering

Tools

HPE Aruba networking

HPE ToR switches

Check Point firewalls

Job description

Company: IT

Contract Period: 12 Months

Are you an experienced Network Engineer with a strong background in enterprise networking, firewall administration and infrastructure support? We are looking for a hands-on professional to join our client's team, supporting enterprise network and security infrastructure while ensuring high availability, operational stability and security.

Key Responsibilities

Network Infrastructure & Operations

• Administer, configure and maintain HPEAruba networking and HPETop-of-Rack (ToR) switches.
• Manage VLANs, trunking, switching and network connectivity.
• Perform proactive network monitoring, health checks, maintenance and infrastructure upgrades.
• Troubleshoot network and storage connectivity issues to ensure operational stability.

Network Security & Compliance

• Administer and monitor Check Point firewalls, including firewall policies, access control lists (ACLs), NAT and security rules.
• Investigate and resolve network and firewall-related incidents.
• Conduct vulnerability assessments, implement remediation measures and apply CIS hardening standards.
• Support security audits and compliance requirements.

Incident Management & Automation

• Manage infrastructure incidents, service requests, changes and root cause analyses.
• Leverage Ansible automation to streamline network operations and improve efficiency.
• Drive process improvements, standardisation and infrastructure reliability.

What We're Looking For

Essential Requirements

• Diploma or Degree in Information Technology, Computer Science, Engineering or a related discipline.
• 4-6 years of relevant experience in enterprise network infrastructure.
• Hands-on experience with HPE Aruba networking, HPE ToR switches and Check Point firewalls.
• Strong understanding of VLANs, trunking, routing, firewall policies and ACL management.
• Experience in network troubleshooting, incident management, change management and problem resolution.
• Knowledge of CIS hardening and experience with Ansible automation.
• Strong analytical and problem-solving skills, with the ability to manage operational activities independently.

Experience in any of the following would be advantageous:

• Linux administration and Windows Active Directory.
• Red Hat OpenShift.
• HPE storage platforms and HPE DL servers.
• Broader enterprise infrastructure and security environments.

What Makes You a Good Fit

You are a proactive, hands-on engineer who enjoys solving technical challenges and continuously improving infrastructure performance. You communicate effectively, work well with cross-functional teams and are comfortable supporting different customer environments, including travelling or relocating to customer sites when required.