Senior Network & Security Engineer (Aruba, Check Point)

EXASOFT PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

EXASOFT PTE. LTD. is seeking a Network Engineer in Singapore to administer and support enterprise network and security infrastructure, ensuring availability and incident resolution.

You will manage Aruba and ToR switches, VLANs, firewall environments with Check Point, and be involved in vulnerability remediation, CIS hardening, and automation with Ansible. The role requires 4-6 years of relevant experience and the ability to work independently to drive operational improvements.

Qualifications

• Degree or Diploma in Information Technology, Computer Science, Engineering, or related discipline.
• 4-6 years of relevant network infrastructure experience.
• Hands-on experience supporting enterprise network and firewall environments.
• Experience with Aruba networking and Check Point technologies.
• Strong troubleshooting and analytical skills.
• Ability to independently manage operational activities.

Responsibilities

• Administer and maintain Aruba and ToR switch environments.
• Configure and manage VLANs, trunking, switching, and connectivity services.
• Perform proactive monitoring, maintenance, and network health checks.
• Support network upgrades and lifecycle activities.
• Administer and monitor Check Point firewall environments.
• Manage firewall policies, ACLs, NAT configurations, and security rules.
• Troubleshoot network and firewall-related incidents.
• Configure and maintain ToR switches supporting rack connectivity.
• Troubleshoot network and storage-layer connectivity issues.
• Manage platform incidents, changes, service requests, and root cause analyses.
• Conduct vulnerability assessments and remediation activities.
• Implement CIS hardening standards and security best practices.
• Support audit and compliance requirements.
• Utilize Ansible automation to improve operational efficiency.
• Drive standardization and process improvements.

Skills

Aruba networking

Check Point firewall

VLAN configuration

Network security

Troubleshooting

Ansible automation

Incident response

Education

Bachelor's/Diploma in IT or related

Tools

Aruba

Check Point

ToR switches

Job description

EXASOFT PTE. LTD. is seeking a Network Engineer in Singapore to administer and support enterprise network and security infrastructure, ensuring availability and incident resolution.

You will manage Aruba and ToR switches, VLANs, firewall environments with Check Point, and be involved in vulnerability remediation, CIS hardening, and automation with Ansible. The role requires 4-6 years of relevant experience and the ability to work independently to drive operational improvements.