L2 Network Engineer

TOCUMULUS

Job Title: L2 Network Engineer

Experience: 4–7 Years

Location : Chennai

Employment Type: Full-Time

Job Summary

We are seeking a skilled and proactive L2 Network Engineer with 4–7 years of experience in enterprise network operations and support. The ideal candidate will have strong expertise in routing, switching, firewalls, VPNs, LAN/WAN technologies, and network monitoring. The role involves troubleshooting network incidents, ensuring network availability, supporting security infrastructure, and handling escalations from Level 1 support teams.

Key Skills

  • Routing and Switching
  • Firewall Administration and Troubleshooting
  • VPN Configuration and Support
  • LAN/WAN Technologies
  • Network Monitoring and Performance Management
  • Incident Management and Root Cause Analysis
  • Network Security Fundamentals
  • Configuration and Change Management
  • Technical Documentation

Primary Responsibilities

  • Monitor, maintain, and support enterprise network infrastructure to ensure high availability and performance.
  • Troubleshoot and resolve L2 network incidents related to routing, switching, firewall, VPN, and connectivity issues.
  • Handle escalations from L1 support teams and provide timely resolution within defined SLAs.
  • Configure and manage network devices including routers, switches, firewalls, and VPN gateways.
  • Investigate network performance issues, identify root causes, and implement corrective actions.
  • Monitor network health using enterprise monitoring tools and respond to alerts proactively.
  • Support firewall policy changes, access control requests, and security-related troubleshooting.
  • Perform network change implementations, upgrades, and maintenance activities as per change management procedures.
  • Coordinate with internal teams, vendors, ISPs, and service providers for issue resolution.
  • Maintain accurate network documentation, diagrams, incident records, and operational procedures.
  • Participate in on-call support and major incident management activities when required.
  • Ensure adherence to security, compliance, and operational standards.

Technical Requirements

  • Strong understanding of TCP/IP, VLANs, STP, NAT, ACLs, and network protocols.
  • Hands-on experience with routing protocols such as OSPF, BGP, and EIGRP.
  • Experience managing firewalls such as Cisco ASA, Fortinet, Palo Alto, Check Point, or similar.
  • Knowledge of VPN technologies including IPsec and SSL VPN.
  • Experience with network monitoring tools such as SolarWinds, PRTG, Nagios, Zabbix, or equivalent.
  • Familiarity with ITIL-based incident, problem, and change management processes.

Preferred Qualifications

  • Bachelor’s degree in computer science, Information Technology, Electronics, or a related field.
  • Industry certifications such as CCNA, CCNP, NSE, PCNSE, or equivalent are preferred.
  • Strong analytical, troubleshooting, and communication skills.

Remarks

Strong troubleshooting capabilities and operational support experience are mandatory. The candidate should be comfortable working in a 24x7 support environment and managing critical network incidents.





Requirements

Technical Requirements

  • Strong understanding of TCP/IP, VLANs, STP, NAT, ACLs, and network protocols.
  • Hands-on experience with routing protocols such as OSPF, BGP, and EIGRP.
  • Experience managing firewalls such as Cisco ASA, Fortinet, Palo Alto, Check Point, or similar.
  • Knowledge of VPN technologies including IPsec and SSL VPN.
  • Experience with network monitoring tools such as SolarWinds, PRTG, Nagios, Zabbix, or equivalent.
  • Familiarity with ITIL-based incident, problem, and change management processes.

Preferred Qualifications

  • Bachelor’s degree in computer science, Information Technology, Electronics, or a related field.
  • Industry certifications such as CCNA, CCNP, NSE, PCNSE, or equivalent are preferred.
  • Strong analytical, troubleshooting, and communication skills.





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