Network Engineer – LAN/WAN & Voice
Experience
5–8 Years
Job Summary
We are seeking a highly skilled Network Engineer with strong expertise in LAN/WAN
technologies (70%) and working knowledge of Enterprise Voice technologies (30%).
The ideal candidate will be responsible for supporting, troubleshooting, configuring, and
maintaining enterprise network infrastructure while assisting with voice and
collaboration services.
This role requires hands-on experience with enterprise routing, switching, and WAN
technologies, along with expertise in Cisco Unified Communications and AudioCodes
voice solutions.
Key Responsibilities
LAN/WAN (70%)
Configure, implement, and support Cisco enterprise routing and switching
infrastructure.
Troubleshoot LAN, WAN, VPN, wireless, and Internet connectivity issues.
Administer VLANs, STP, EtherChannel/LACP, HSRP/VRRP, OSPF, EIGRP, and
BGP.
Support SD-WAN, MPLS, Internet circuits, and branch connectivity.
Configure and maintain Cisco Catalyst, Nexus, and ISR/ASR platforms.
Monitor network health and proactively resolve performance issues.
Support firewall connectivity and network segmentation.
Perform network upgrades, firmware updates, and maintenance activities.
Execute network changes following change management procedures.
Maintain network documentation, topology diagrams, and configuration backups.
Coordinate with ISPs, vendors, and internal teams during incident resolution.
Voice & Collaboration (30%)
Administer and support Cisco Unified Communications Manager (CUCM).
Configure and troubleshoot AudioCodes Voice Gateways, Session Border
Controllers (SBCs), and SIP infrastructure (Mandatory).
Support Cisco IP Phones, Cisco Jabber, SIP trunks, dial plans, and voice
gateways.
Support Cisco Unity Connection voicemail services.
Perform Moves, Adds, Changes, and Deletes (MACD) for voice users.
Troubleshoot call quality issues related to QoS, latency, jitter, and packet loss.
Support PSTN connectivity and telecom carrier integrations.
Coordinate with telecom providers during voice incidents and circuit outages.
Support Microsoft Teams Direct Routing (preferred).
Required Skills
Networking (70%)
Cisco Routing & Switching
TCP/IP
VLANs
STP/RSTP
OSPF
EIGRP
BGP
HSRP/VRRP
MPLS
SD-WAN
VPN Technologies
Wireless Networking
QoS
DHCP
DNS
Network Monitoring Tools (SolarWinds, Cisco DNA Center, PRTG, etc.)
Voice (30%)
AudioCodes Voice Gateways
Cisco Unified Communications Manager (CUCM)
SIP & SIP Trunks
Cisco Voice Gateways
Cisco Unity Connection
Cisco IP Phones
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