Network Engineer L3

Job Summary

We are looking for a highly skilled Network Engineer L3 with strong hands-on experience in enterprise networking, routing, switching, and wireless technologies. The role is heavily inclined toward network design, operations, optimization, and troubleshooting, with minimal involvement in security/firewalls. This position will act as an escalation point for complex network issues and support large-scale enterprise environments.

Key Responsibilities

• Design, implement, and support enterprise LAN, WAN, and WLAN networks
• L3/L4 troubleshooting of complex routing and switching issues
• Work extensively with routing protocols such as OSPF, BGP, EIGRP, and static routing
• Configure and manage Layer 2 & Layer 3 switching (VLANs, STP, RSTP, MST, HSRP/VRRP)
• Handle network performance optimization, capacity planning, and upgrades
• Provide escalation support to L1/L2 teams and mentor junior engineers
• Manage wireless networks (controllerbased and standalone APs)
• Participate in network design discussions and architecture reviews
• Perform network documentation, diagram updates, and SOP creation
• Coordinate with vendors and service providers for circuits and hardware issues

Technical Skills (Core Focus)

Networking (Primary)

• Strong fundamentals in TCP/IP, OSI model, subnetting
• Hands-on expertise in Routing & Switching
• Experience with enterprise network devices (Cisco preferred; Aruba/Juniper exposure a plus)
• WAN technologies: MPLS, Internet Leased Line, SDWAN (basic understanding)
• Wireless technologies: 802.11 standards, RF fundamentals, controllers
• Network monitoring & troubleshooting tools (SNMP, Wireshark, SolarWinds, etc.)

Security (Limited Scope)

• Basic understanding of firewalls (rule changes, NAT, troubleshooting connectivity issues)
• Exposure to network security concepts such as ACLs and segmentation
• Not a securityheavy role; no deep SOC or advanced firewall design expected

Experience & Qualifications

• 5+ years of hands-on experience in network engineering roles

• Experience working in large enterprise or service provider environments

• Strong troubleshooting mindset and root-cause analysis skills

• Relevant certifications are a plus:

• CCNP (Routing & Switching / Enterprise) – Preferred

• Wireless certifications (optional)

Soft Skills

• Strong communication and documentation skills
• Ability to work independently on complex network issues
• Team player with leadership and mentoring capability
• Comfortable working in high-availability and business-critical environments