Monitor, maintain, and support enterprise network infrastructure, including LAN, WAN, WLAN, SD‑WAN, and data center networking.
Provide advanced support for voice systems, including IP telephony, call routing, SBC administration, and VoIP troubleshooting.
Configure and maintain routers, switches, firewalls, load balancers, and related technologies.
Troubleshoot complex network and voice issues; perform root‑cause analysis and implement long‑term fixes.
Participate in on‑call rotation and respond to escalated incidents.
Work with carriers, vendors, and internal teams to resolve service issues and manage upgrades.
Assist in network and voice infrastructure projects, including new deployments, migrations, and system modernization.
Ensure compliance with security standards, best practices, and change‑control procedures.
Maintain accurate documentation of network diagrams, configurations, and support procedures.
Recommend improvements to performance, scalability, and reliability of network/voice services.

Bachelor’s degree in a related field
2+ years of experience in a related field
Relevant experience can be considered as a substitute for the required educational qualifications
In the absence of a degree, a minimum of 6 years of related experience is required
Higher level relevant degree may substitute for experience
Practical experience with voice systems such as: – Cisco Unified Communications Manager (CUCM) and MS Teams – SIP trunking and Session Border Controllers – VoIP QoS, RTP/RTCP, call flow analysis
A deep understanding of network protocols and services [e.g., Transmission Control Protocol/Internet Protocol (TCP/IP), Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP)]
Proficiency with networking switching equipment and systems
Proficiency with wireless and VPN implementations
Familiarity with AI in troubleshooting network issues
Strong experience with networking equipment
Experience supporting a corporate network, maintaining Service Level Agreements (SLAs), providing support to corporate IT departments
Basic understanding of firewall principles and maintenance.

Voice Network Engineer II

Key skills