Extranet Network Engineer

Unison Consulting Pte Ltd; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A technology consulting firm in Singapore is looking for a Network Engineer specializing in VPN and Extranet technologies. Responsibilities include designing secure networks, implementing VPN solutions, and ensuring adherence to security policies. The ideal candidate holds a Bachelor's degree in Computer Science and possesses strong hands-on experience with IPsec and SSL VPN. Certifications such as CCNA or CCNP are preferred.

Qualifications

• Experience in network engineering with a focus on VPN and Extranet technologies.
• Strong hands-on experience with IPsec and SSL VPN.
• Ability to document and communicate complex network configurations clearly.

Responsibilities

• Design and maintain Extranet networks for secure access.
• Implement and manage various VPN solutions.
• Monitor and troubleshoot VPN connectivity issues.
• Develop and enforce security policies for external access.

Skills

VPN technologies

Network security best practices

Firewall management

Troubleshooting network issues

Documentation skills

Education

Bachelor’s degree in Computer Science or related field

Certifications such as CCNA, CCNP

Tools

Cisco ASA

Palo Alto

Fortinet

Check Point

Job description

• Design, deploy, and maintainExtranet networksto enable secure and controlled access for external partners and vendors.
• Implement and manageVPN solutions(site-to-site, remote access, SSL VPN, IPsec VPN) to secure communication channels.
• Configure and maintain firewalls, VPN gateways, and related security infrastructure to protect Extranet and VPN traffic.
• Monitor and troubleshoot VPN and Extranet connectivity issues to ensure uptime and performance SLAs.
• Develop and enforce security policies for external network access, including identity and access management.
• Collaborate with internal IT teams and external partners to establish and maintain trusted network connections.
• Document network architecture, configurations, and procedures related to Extranet and VPN environments.
• Perform regular audits, vulnerability assessments, and compliance checks on VPN and Extranet systems.
• Provide support for incident response related to network breaches or access issues in Extranet/VPN areas.

• Good to have Bachelor’s degree in Computer Science, Information Technology, or related field.
• Experience in network engineering or administration with a focus on VPN and Extranet technologies.
• Strong hands-on experience withVPN technologies: IPsec, SSL VPN
• Working knowledge in configuring and managingfirewalls and VPN gateways(Cisco ASA, Palo Alto, Fortinet, Check Point, etc.).
• Solid knowledge of network protocols including TCP/IP, BGP, OSPF, and routing principles.
• Familiarity withnetwork security best practices, including encryption, authentication, and access controls.
• Experience with monitoring and diagnostic tools for VPN and network performance.
• Ability to document and communicate complex network configurations clearly.
• To work with business unit focal from start to end and deploy the solutions required to connect DBS and partners over the B2B Extranet network

Preferred Qualifications:

• Certifications such asCCNA, CCNP or equivalent
• Experience with multi-vendor VPN environments and complex Extranet architectures.
• Understanding of Dot1Q, VXLAN, VRF and deployment
• Knowledge of cloud-based VPN solutions and hybrid cloud networking.
• Familiarity with network automation tools and scripting will be an advantage

Working Conditions:

• May require 24/7 on-call L3 support for critical network issues.
• Change requests timings are usually after 12am, with compensation time off.

Occasional travel to data center for support.