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Unison Group

Extranet Network Engineer

Unison Group
Singapore · Full-time · Mid-Senior
We are seeking a skilled Network Engineer with strong expertise in Extranet connectivity and VPN technologies to manage and secure external network connections between our organization and partners, vendors, and remote users. The ideal candidate will ensure reliable, secure, and high-performance VPN and Extranet solutions that support business collaboration and data exchange.

Key Responsibilities

  • Design, deploy, and maintain Extranet networks to enable secure and controlled access for external partners and vendors
  • Implement and manage VPN 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

Requirements

  • Experience in network engineering or administration with a focus on VPN and Extranet technologies
  • Strong hands-on experience with VPN technologies: IPsec, SSL VPN
  • Working knowledge in configuring and managing firewalls 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 with network 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 partners over the B2B Extranet network

Preferred Qualifications:

  • Certifications such as CCNA, 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

Key Skills

Ranked by relevance

vpn firewalls ipsec cloud ssl incident response network security palo alto fortinet ccna ccnp ospf bgp asa
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Country Guide

Singapore

High-pay global hub in Asia

Posted
Aug 27, 2025
Type
Full-time
Level
Mid-Senior
Location
Singapore
Company
Unison Group

Industries

IT Services IT Consulting

Categories

Engineering

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