L3 Telecom Admin - CISCO Unified Communications

Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!; Calgary; Hybrid; CAD 110,000 - 150,000; Full time

Job summary

Astra-North Infoteck Inc. is seeking a Senior Telecom Administrator in Calgary to lead large-scale Avaya-to-Cisco migrations and modernize enterprise voice systems.

You will be the SME for Cisco Unified Communications, designing scalable voice architectures and overseeing deployments across CUCM, Unity Connection, CUBE, and Webex Calling. You will guide L1/L2 teams, manage complex incidents, and collaborate with carriers to ensure high availability and excellent user experience.

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.
• Experience leading large-scale Avaya-to-Cisco migration and modernization projects.
• Hands-on expertise with CUCM, Unity Connection, CUBE, Voice Gateways, UCCX, and Webex Calling.
• Strong knowledge of Cisco voice architecture, dial plans, SIP integrations, call routing, and PSTN connectivity.
• Advanced knowledge of SIP, VoIP, QoS, TCP/IP, WAN, SBCs, and voice network design.
• Experience mentoring L1/L2 teams and leading escalations.
• CCNP Collaboration or CCIE Collaboration preferred.
• Excellent stakeholder management and technical leadership.

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 roadmaps.
• Manage CUCM clusters, CUBE environments, gateways, dial plans, and enterprise telephony services.
• Collaborate with telecom carriers, vendors, and project teams to ensure delivery.
• Provide governance, standards, and best practices for voice infrastructure.
• Mentor L1/L2 engineers and support major incident and problem management.
• Develop and maintain telecom architecture, operational, and migration documentation.
• Drive continuous improvement to enhance voice service availability and user experience.

Skills

Stakeholder management

Technical leadership

Mentoring L1/L2

L3 support

Education

Bachelor's degree in CS/IT/Telecommunications

Tools

CUCM

Cisco Unity Connection

CUBE

Voice Gateways

UCCX

Webex Calling

Avaya Aura

Avaya Communication Manager

Avaya Session Manager

SIP

VoIP

QoS

TCP/IP

WAN

SBCs

Voice Architecture

Dial Plans

Call Routing

PSTN Connectivity

Job description

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