Network Security Architect

Opensource; Singapore; Presencial; SGD 90.000 - 130.000; Jornada completa

Descripción de la vacante

Opensource in Singapore is seeking an experienced Network Infrastructure and Security Engineer to design and modernize enterprise networks, evaluate technologies, and support security solutions across firewalls, VPNs, NDR, and NAC.

You will administer Check Point and Aruba/HPE gear, work with MSPs, perform root-cause analysis, maintain network diagrams and SOPs, and collaborate with cybersecurity and infrastructure teams to deliver resilient solutions.

Formación

• Degree in Computer Engineering, Information Technology, Computer Science, or related discipline.
• Minimum 5 years' experience in enterprise network and security engineering.
• CCNA/CCNP certification or higher.

Responsabilidades

• Perform network architecture design, capacity planning, and infrastructure modernization initiatives.
• Manage and support network security solutions including firewalls, VPNs, NDR systems, and NACs.
• Administer and troubleshoot Check Point firewalls, NAT, VPN, clustering, and security monitoring.
• Manage and support Extreme Networks switches, routers, fabric solutions, and network management platforms.
• Work with MSP to support network and security incidents, service requests, and problem management, patching activities.
• Lead network troubleshooting and root-cause analysis for production issues.
• Develop and maintain network diagrams, SOPs, and design standards.
• Collaborate with cybersecurity and infrastructure teams to deliver secure and resilient solutions.
• Initiate network/security projects, tech refreshes, migrations, and operational improvements.
• Assist in IT audit, develop and update SOPs related to Network and Security.

Conocimientos

Cisco

Extreme Networks

Aruba

Layer 2/3 switching

Routing protocols (OSPF/BGP/VRRP)

Network monitoring tools

Campus/data centre network design

Educación

Degree in Computer Engineering/IT/CS

Herramientas

Check Point Firewall

Palo Alto Firewall

VPN technologies

Zero Trust concepts

Descripción del empleo

Opensource in Singapore is seeking an experienced Network Infrastructure and Security Engineer to design and modernize enterprise networks, evaluate technologies, and support security solutions across firewalls, VPNs, NDR, and NAC.

You will administer Check Point and Aruba/HPE gear, work with MSPs, perform root-cause analysis, maintain network diagrams and SOPs, and collaborate with cybersecurity and infrastructure teams to deliver resilient solutions.