Senior Voip Engineer

The Senior Voice Engineer is responsible for the design, implementation, administration, and support of enterprise voice and unified communications systems. This role ensures the reliability, security, and performance of voice infrastructure while leading telephony modernization initiatives and supporting business communication needs., * Design, implement, and maintain enterprise voice solutions including VoIP, SIP trunking, call routing, and unified communications platforms.

• Administer and support voice systems such as Cisco Unified Communications Manager (CUCM), Cisco Unity Connection, Microsoft Teams Phone, Zoom Phone, Avaya, or similar technologies.
• Troubleshoot and resolve complex voice, network, and telecommunications issues while ensuring minimal service disruption.
• Lead voice infrastructure upgrades, migrations, and integration projects, including cloud-based telephony deployments.
• Configure and manage SBCs (Session Border Controllers), gateways, dial plans, call flows, and voice security solutions.
• Monitor voice system performance, capacity, and availability; implement improvements and preventative maintenance.
• Collaborate with network, security, infrastructure, and business teams to ensure seamless communication services.
• Develop and maintain technical documentation, operational procedures, and disaster recovery plans.
• Provide Tier III support and mentor junior engineers and support staff.
• Ensure compliance with organizational security standards and telecommunications regulations., * Cisco Unified Communications Manager (CUCM)
• Cisco Unity Connection
• Microsoft Teams Phone
• Zoom Phone
• SIP Trunks
• Session Border Controllers (SBC)
• Contact Center Solutions
• AudioCodes Gateways
• Cisco Expressway
• Voice Recording & Call Analytics Platforms

• Bachelor's degree in Information Technology, Computer Science, Telecommunications, or equivalent experience.
• 7+ years of experience supporting enterprise voice and unified communications environments.
• Strong knowledge of VoIP protocols including SIP, RTP, SRTP, and H.323.
• Experience with Cisco UC, Microsoft Teams Voice, Zoom Phone, Avaya, or similar platforms.
• Solid understanding of networking concepts including TCP/IP, QoS, VLANs, DNS, DHCP, and routing/switching.
• Experience with call center technologies and contact center integrations is preferred.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and project management abilities.

Preferred Certifications

• Cisco Certified Network Professional (CCNP) Collaboration
• Cisco Certified Internetwork Expert (CCIE) Collaboration
• Microsoft Teams Voice Engineer Expert
• ITIL Foundation