L2 Support Engineer

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