Job Summary
We are seeking an experienced L2/L3 Network Engineer to manage, support, and optimize enterprise network infrastructure in Taiwan. The ideal candidate should have strong hands-on experience with routing, switching, firewalls, WAN technologies, and network troubleshooting in enterprise and data center environments.
Key Responsibilities
- Provide L2/L3 support for enterprise network infrastructure.
- Configure, maintain, and troubleshoot routers, switches, firewalls, wireless controllers, and VPN solutions.
- Monitor network performance and ensure maximum availability and reliability.
- Diagnose and resolve complex network incidents, performing root cause analysis for recurring issues.
- Implement network changes, upgrades, and migrations with minimal downtime.
- Configure and troubleshoot routing protocols such as OSPF, BGP, EIGRP, and static routing.
- Configure VLANs, STP, EtherChannel, QoS, ACLs, NAT, DNS, DHCP, and VPN technologies.
- Support LAN, WAN, SD-WAN, MPLS, and wireless network environments.
- Perform firewall configuration and troubleshooting using Fortinet, Palo Alto, Cisco ASA, or Check Point.
- Support data center networking, structured cabling, rack & stack, and hardware replacement.
- Coordinate with ISPs, vendors, and cross-functional teams to resolve network issues.
- Create and maintain network documentation, topology diagrams, and standard operating procedures.
- Participate in planned maintenance activities and provide on-call support when required.
Required Skills
- Strong knowledge of TCP/IP, IPv4/IPv6, VLANs, STP, RSTP, MSTP, HSRP, VRRP, QoS, ACLs, NAT, DNS, DHCP, VPN, MPLS, and SD-WAN.
- Hands-on experience with Cisco Catalyst/Nexus, Juniper, Aruba, Fortinet, Palo Alto, Huawei, or similar enterprise networking platforms.
- Experience with routing protocols including OSPF, BGP, and EIGRP.
- Strong understanding of firewall policies, IPS/IDS, and network security best practices.
- Experience with network monitoring tools such as SolarWinds, PRTG, Nagios, Zabbix, or similar.
- Knowledge of cloud networking (AWS, Azure, or Google Cloud) is an advantage.
- Familiarity with ITIL processes and ticketing tools such as ServiceNow, Jira, or Remedy.
Experience
- L2: 3–5 years of enterprise networking experience.
- L3: 5–8+ years of experience in enterprise/data center network engineering.
Certifications (Preferred)
- CCNA / CCNP Enterprise
- Fortinet NSE
- Palo Alto PCNSA / PCNSE
- JNCIA / JNCIS
- Aruba Certified Professional
- ITIL Foundation (Preferred)
Education
- Bachelor's degree in Computer Science, Information Technology, Electronics, or a related field.
Language Requirements
- English – Professional working proficiency.
- Mandarin Chinese – Preferred.
Preferred Qualities
- Strong troubleshooting and analytical skills.
- Ability to work independently in a customer-facing environment.
- Excellent communication and documentation skills.
- Willingness to travel within Taiwan, if required.
Skills Required
- 3-5 years enterprise networking experience (L2)
- 5-8+ years enterprise/data center network engineering experience (L3)
- Strong knowledge of TCP/IP, IPv4/IPv6, VLANs, STP/RSTP/MSTP, HSRP/VRRP, QoS, ACLs, NAT, DNS, DHCP, VPN, MPLS, SD‑WAN
- Hands-on experience with Cisco Catalyst/Nexus, Juniper, Aruba, Fortinet, Palo Alto, Huawei or similar
- Experience configuring and troubleshooting routing protocols OSPF, BGP, EIGRP
- Firewall configuration and troubleshooting experience (Fortinet, Palo Alto, Cisco ASA, Check Point) and network security best practices
- Experience with network monitoring tools (SolarWinds, PRTG, Nagios, Zabbix or similar)
- Familiarity with LAN, WAN, SD‑WAN, MPLS, wireless networking and data center networking (rack & stack, cabling, hardware replacement)
- Familiarity with ITIL processes and ticketing tools such as ServiceNow, Jira, or Remedy
- Bachelor's degree in Computer Science, Information Technology, Electronics, or related field
- English professional working proficiency
- Mandarin Chinese proficiency
- Knowledge of cloud networking (AWS, Azure, or Google Cloud)
- Certifications (CCNA/CCNP, Fortinet NSE, Palo Alto PCNSA/PCNSE, JNCIA/JNCIS, Aruba Certified, ITIL Foundation)
- Willingness to travel within Taiwan if required
What We Do
-Who We Are systemsGo was started in 1998 because we believed there was a better way to address the special IT needs of Tokyo businesses, and starting in 2008 we began our expansion into other locations in Asia including Hong Kong, Shanghai, Singapore, Beijing, Sydney, Taiwan, New Delhi and Seoul. We saw partnership and process as the keys. We would work side-by-side with our clients to help reduce costs and improve efficiency. To date, we’ve shared our expertise with hundreds of companies. They come to us because we find the best engineers and project managers. We train our people to use their experience and creativity to assess an IT system and make it better. And we ensure our own accountability through an online tracking system that gives our clients 24×7 access to every move we make on their behalf. -Mission Statement We listen to our clients to understand their business needs. We design and deliver solutions from our range of professional services, creating value to benefit all stakeholders. To achieve this we combine an enriching and satisfying employment environment with a culture of customer service excellence and an unwavering pursuit of quality through devoted adherence to process and continuous improvement. -Our Core Principles Customer Service Excellence Enriching Employment Environment Unwavering Pursuit of Quality -Locations Australia | Greater China | India | Japan | Singapore | South Korea
