L2 Support Engineer

SILVERLINK TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 65,000 - 110,000; Full time

Job summary

SILVERLINK TECHNOLOGIES PTE. LTD. is seeking an L2 network engineer to support enterprise LAN/WAN across multiple sites in Singapore, configure and troubleshoot networks, and ensure high availability. The role involves firewall and wireless management and proactive performance monitoring.

Ideal candidates will have CCNA/CCNP and hands-on experience with BGP/OSPF/EIGRP, Cisco Firepower, Palo Alto, Fortinet, and Meraki. Strong communication skills are essential for stakeholder liaison.

Qualifications

• Strong hands-on experience configuring and troubleshooting routing protocols including BGP, OSPF, and EIGRP
• Proficient in managing switching technologies such as VLANs, STP, EtherChannel, with VxLAN preferred for advanced network segmentation
• Skilled in administering firewall platforms including Palo Alto, Fortinet, and Cisco Firepower to enforce security policies
• Experienced in managing wireless network solutions from Cisco, Aruba, and Meraki to ensure reliable connectivity
• Solid understanding of TCP/IP, DNS, DHCP, NAT, VPN, and QoS protocols for effective network design and troubleshooting
• Proficient in using network monitoring and troubleshooting tools to detect and resolve network issues
• Knowledgeable in network security best practices to protect enterprise assets
• Excellent communication and customer-facing skills to liaise with stakeholders and end-users

Responsibilities

• Provide L2 support for enterprise network incidents, requests, and changes to ensure timely resolution and minimal downtime
• Configure, maintain, and troubleshoot LAN/WAN environments to optimize network reliability and performance
• Manage routing and switching infrastructure across multiple sites to maintain seamless connectivity
• Support and administer firewall platforms such as Palo Alto, Fortinet, or Cisco Firepower to secure network perimeter
• Manage wireless networks using Cisco, Aruba, or Meraki solutions to ensure stable and secure wireless access
• Monitor network performance proactively and address issues to prevent service disruptions
• Perform firmware upgrades, patching, and configuration backups to maintain network security and stability
• Participate in network implementation, migration, and optimization projects to enhance infrastructure capabilities
• Create and maintain detailed network documentation and operational procedures for consistent network management
• Collaborate with vendors and internal teams to resolve complex network issues efficiently

Skills

Routing protocols (BGP/OSPF/EIGRP)

VLANs/STP/EtherChannel

Firewall administration

Wireless networks (Cisco/Aruba/Meraki)

TCP/IP/DNS/DHCP/NAT/VPN/QoS

Network monitoring & troubleshooting

Network security best practices

Stakeholder communication

Education

CCNA

CCNP

PCNSA

PCNSE

ACMP

NSE

Cloud networking (AWS/Azure)

Tools

Cisco Firepower

Palo Alto

Fortinet

Aruba

Meraki

Job description

Job Summary

Provide L2 support and manage enterprise network infrastructure across multiple sites. Configure, maintain, and troubleshoot LAN/WAN environments, firewalls, and wireless networks. Lead network performance monitoring, upgrades, and project participation to ensure optimal network operations.

Responsibilities

• Provide L2 support for enterprise network incidents, requests, and changes to ensure timely resolution and minimal downtime
• Configure, maintain, and troubleshoot LAN/WAN environments to optimize network reliability and performance
• Manage routing and switching infrastructure across multiple sites to maintain seamless connectivity
• Support and administer firewall platforms such as Palo Alto, Fortinet, or Cisco Firepower to secure network perimeter
• Manage wireless networks using Cisco, Aruba, or Meraki solutions to ensure stable and secure wireless access
• Monitor network performance proactively and address issues to prevent service disruptions
• Perform firmware upgrades, patching, and configuration backups to maintain network security and stability
• Participate in network implementation, migration, and optimization projects to enhance infrastructure capabilities
• Create and maintain detailed network documentation and operational procedures for consistent network management
• Collaborate with vendors and internal teams to resolve complex network issues efficiently

Required competencies and certifications

• Strong hands-on experience configuring and troubleshooting routing protocols including BGP, OSPF, and EIGRP
• Proficient in managing switching technologies such as VLANs, STP, EtherChannel, with VxLAN preferred for advanced network segmentation
• Skilled in administering firewall platforms including Palo Alto, Fortinet, and Cisco Firepower to enforce security policies
• Experienced in managing wireless network solutions from Cisco, Aruba, and Meraki to ensure reliable connectivity
• Solid understanding of TCP/IP, DNS, DHCP, NAT, VPN, and QoS protocols for effective network design and troubleshooting
• Proficient in using network monitoring and troubleshooting tools to detect and resolve network issues
• Knowledgeable in network security best practices to protect enterprise assets
• Excellent communication and customer-facing skills to liaise with stakeholders and end-users

Preferred competencies and qualifications

• Certifications such as CCNA or CCNP demonstrating networking expertise
• Security certifications including PCNSA or PCNSE for Palo Alto firewall proficiency
• Aruba Certified Mobility Professional (ACMP) certification for wireless network expertise
• Fortinet Network Security Expert (NSE) certification for advanced firewall management
• Exposure to SD-WAN technologies to support modern WAN architectures
• Experience with network automation tools such as Python and Ansible to improve operational efficiency
• Familiarity with cloud networking platforms like AWS and Azure for hybrid network environments
• Knowledge of Network Access Control (NAC) solutions such as Cisco ISE and ClearPass to enhance network security