L3 Telecom Admin - CISCO Unified Communications

Role: Telecom Administrator

Location: Hybrid (3 days per week onsite: Monday, Tuesday, and Thursday)

Role Summary

The Telecom Administrator (L3) will serve as the primary Subject Matter Expert (SME) for Cisco Unified Communications and Collaboration solutions, leading large-scale Avaya-to-Cisco migration, modernization, optimization, and transformation initiatives. This role requires deep expertise in Cisco voice technologies, telecom architecture, and enterprise telephony services.

Required Qualifications

• Bachelor's degree in computer science, Information Technology, Telecommunications, or a related field.
• 8+ years of experience designing, implementing, and supporting Cisco Unified Communications solutions.

Expert-level experience with:

• Cisco Unified Communications Manager (CUCM)
• Cisco Unity Connection
• Cisco CUBE
• Cisco Voice Gateways
• Cisco UCCX
• Webex Calling
• Proven experience leading large-scale Avaya-to-Cisco migration and modernization projects.

Strong expertise in:

• Cisco voice architecture
• Dial plans
• SIP integrations
• Call routing
• PSTN connectivity

Advanced knowledge of:

• SIP
• VoIP
• QoS
• TCP/IP
• WAN
• Session Border Controllers (SBCs)
• Voice network design

Hands-on experience with:

• Avaya Aura
• Avaya Communication Manager
• Avaya Session Manager
• Experience leading voice optimization, consolidation, technology refresh, and transformation initiatives.
• Strong understanding of high availability, disaster recovery, and resilient voice architectures.
• Experience mentoring L1/L2 teams and leading technical escalations.
• Cisco CCNP Collaboration or CCIE Collaboration preferred.
• Excellent stakeholder management, technical leadership, and communication skills.

Key Responsibilities

• Serve as the primary SME for Cisco Unified Communications and Collaboration solutions.
• Lead end-to-end Avaya-to-Cisco migration, upgrade, consolidation, and optimization projects.
• Design scalable, secure, and highly available Cisco voice architectures and solutions.
• Perform architecture reviews, health assessments, and voice infrastructure optimization initiatives.
• Troubleshoot and resolve complex L3 incidents involving Cisco voice platforms and SIP integrations.
• Define migration strategies, cutover plans, rollback procedures, and implementation roadmaps.
• Manage CUCM clusters, CUBE environments, gateways, dial plans, and enterprise telephony services.
• Collaborate with telecom carriers, vendors, and project teams to ensure successful project delivery.
• Provide technical governance, standards, and best practices for voice infrastructure.
• Mentor L1/L2 engineers and support major incident and problem management activities.
• Develop and maintain telecom architecture, operational, and migration documentation.
• Drive continuous improvement initiatives to enhance voice service availability, performance, and user experience.

Essential Skills

• Cisco Unified Communications (CUCM)
• Cisco Unity Connection
• Cisco CUBE
• Cisco Voice Gateways
• Cisco UCCX
• Webex Calling
• Avaya Aura
• Avaya Communication Manager
• Avaya Session Manager
• SIP, VoIP, QoS, TCP/IP, WAN, SBCs
• Cisco Voice Architecture
• Dial Plans and Call Routing
• PSTN Connectivity
• Telecom Migration & Modernization
• High Availability & Disaster Recovery
• Technical Leadership and Stakeholder Management
• L3 Telecom Support and Escalation Management

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