Senior Engineer - Network

3i Infotech; Ernakulam; On-site; INR 900,000 - 1,500,000; Full time

Job summary

3i Infotech is seeking an experienced Network Engineer L3 to design, implement, and manage our enterprise network infrastructure. You will troubleshoot, secure, upgrade, and migrate networks while coordinating with internal and external teams.

The role requires hands-on experience with Fortinet and Juniper devices, routers and switches, VPN, and SD-WAN. Strong communication and documentation skills are essential for this position.

Qualifications

• Bachelor's degree in IT or Computer Science.
• IT/network-related certifications such as JNCIP or CCNP are preferred.
• 4-7 years of relevant experience in network management.
• Experience as an L3 Network Engineer in a similar organization.
• Strong experience with Fortinet and Juniper firewall management.

Responsibilities

• Design, implement, and support enterprise network infrastructure.
• Configure, manage, and troubleshoot routers, switches, and firewalls.
• Handle L2/L3 network issues and perform root cause analysis.
• Monitor network performance and maintain daily network checks.
• Implement network security best practices.
• Perform network changes, upgrades, and migrations as per company policies.
• Coordinate with internal and external teams for issue resolution and new implementations.
• Maintain network documentation including topology diagrams, configurations, SCDs, and SOPs.
• Provide extended support during critical issues and downtime activities.

Skills

L2/L3 networking

Routers & Switches

FortiGate

Juniper

VPN

SD-WAN

BGP

Network troubleshooting

Education

Bachelor's degree in IT or Computer Science

JNCIP or CCNP certification

Tools

FortiGate devices

Juniper devices

VPN technology

Job description

Job Description Network Engineer L3

Position Details

• Department/Project: Infra
• work schedule 6 Days working

Job Summary

We are looking for an experienced Network Engineer L3 to design, implement, manage, and support enterprise network infrastructure. The role will involve network troubleshooting, security, upgrades, migrations, and coordination with internal and external teams.

Key Responsibilities

• Design, implement, and support enterprise network infrastructure.
• Configure, manage, and troubleshoot routers, switches, and firewalls.
• Handle L2/L3 network issues and perform root cause analysis.
• Monitor network performance and maintain daily network checks.
• Implement network security best practices.
• Perform network changes, upgrades, and migrations as per company policies.
• Coordinate with internal and external teams for issue resolution and new implementations.
• Maintain network documentation, including topology diagrams, configurations, SCDs, and SOPs.
• Provide extended support during critical issues and downtime activities.

Education & Certifications

• Bachelor's degree, preferably in IT or Computer Science.
• IT/network-related certifications such as JNCIP or CCNP are preferred.

Required Experience

• 4-7 years of relevant experience in network management.
• Experience working as an L3 Network Engineer in a similar organization.
• Strong experience in firewall management, particularly Fortinet and Juniper.

Technical Skills

• Strong hands-on experience with routers and switches.
• Hands-on experience with FortiGate firewalls.
• Experience with Juniper firewalls and switches.
• Strong knowledge of L2/L3 networking, including VPN, SD-WAN, VLAN, BGP, etc.
• Strong network troubleshooting and incident-resolution skills.

Good to Have

• Experience with data center or enterprise-scale networks.
• Experience with load balancers.
• Experience with WAF (Web Application Firewall).
• Experience with other network security devices.

  Soft Skills

  • Good communication skills.
  • Teamwork and collaboration.
  • Strong problem-solving ability.
  • Adaptability and flexibility.
  • Good time-management skills.
  • Commitment to continuous learning.