Network Security Engineer - Architecture, SOC & Modernization

Open Source Technologies, Inc.; Singapore; Presencial; SGD 90.000 - 130.000; Jornada completa

Descripción de la vacante

Open Source Technologies, Inc. in Singapore is seeking an experienced Network & Security Engineer to architect and modernize enterprise networks. You will design capacity plans, evaluate technologies, and implement resilient infrastructure across campus and data centers.

You will manage Check Point and Palo Alto firewalls, VPNs, and security monitoring while coordinating with MSPs and internal teams to ensure secure operations. Strong routing, switching, and ITIL-ready processes are expected.

Formación

• Experience in designing network infrastructure and capacity planning.
• Experience with security policies, NAT, VPN, clustering, and monitoring.
• Experience with enterprise network architectures and security controls.
• Strong understanding of firewall and VPN technologies and routing protocols.

Responsabilidades

• Perform network architecture design, capacity planning, technology evaluation, and infrastructure modernization initiatives.
• Manage and support network security solutions, including firewalls, VPNs, NDR systems, and network access controls.
• Administer and troubleshoot Check Point firewalls, security policies, NAT, VPN, clustering, and security monitoring.
• Manage and support Extreme Networks switches, routers, fabric solutions, and network management platforms.
• Manage and support HPE Aruba wired and wireless network infrastructures.
• Work with Managed Service provider 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, operational procedures, technical documentation, and design standards.
• Collaborate with cybersecurity, infrastructure teams to deliver secure and resilient solutions.
• Initiate network/security infrastructure projects, technology refreshes, migration activities, and operational improvements.
• Assist in IT audit, develop and update SOP related to Network, Security domain.

Conocimientos

Network architecture

Security engineering

VPN technologies

Firewall management

Network monitoring

TCP/IP basics

Educación

Degree in Computer Engineering, IT, CS or related

Herramientas

Check Point Firewall

Palo Alto Firewall

Extreme Networks

HPE Aruba

NDR systems

Descripción del empleo

Open Source Technologies, Inc. in Singapore is seeking an experienced Network & Security Engineer to architect and modernize enterprise networks. You will design capacity plans, evaluate technologies, and implement resilient infrastructure across campus and data centers.

You will manage Check Point and Palo Alto firewalls, VPNs, and security monitoring while coordinating with MSPs and internal teams to ensure secure operations. Strong routing, switching, and ITIL-ready processes are expected.