Senior UC Engineer: Webex, SIP & Teams – Global Impact

Miratech; Toronto; On-site; CAD 120,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Relocation program

Remote work flexibility

Job summary

Miratech is seeking a Senior UC Engineer to join the Global Unified Communications Engineering team. You will design, deliver, and operate enterprise UC platforms across the Americas, focusing on Cisco Webex Calling, Webex Contact Center, and related services.

You will engage with Cisco, telecom carriers, and vendors to ensure reliability, security, and supportability. Weekend support, strong observability, and a proactive stance on incident resolution are expected.

Qualifications

• 10+ years of experience in Unified Communications engineering/support roles.
• Hands-on experience with Cisco Webex Control Hub administration.
• Strong knowledge of Webex Calling and Webex Contact Center architecture.
• Familiarity with voice recording functionality and platforms.
• Knowledge of network connectivity fundamentals as they relate to UC services.
• Basic knowledge of network routing and bandwidth management.
• Experience with UC observability and monitoring practices.
• Experience with Splunk logging for UC platform monitoring.
• Experience with CDR (Call Detail Record) management and analysis.
• Experience with SIP Trunking and Telecom Service Provider coordination.
• Experience with incident management and vendor escalation processes.
• Experience with trading floor communications/turret systems (IPC Connexus or similar) is a plus.
• Experience with E911 solutions (Red Sky or similar) is a plus.
• Experience working with Microsoft Teams Meetings/collaboration platforms.
• Relevant Cisco certifications (e.g., CCNP Collaboration or similar) preferred.

Responsibilities

• Support and administer Cisco Webex Calling and Webex Contact Center platforms in production.
• Manage and support Voice Recording platforms and ensure compliance with recording requirements.
• Support Trading Turret systems (IPC Connexus) for trading floor voice communications.
• Manage relationships and technical coordination with Telecom Service Providers.
• Configure, support, and troubleshoot SIP Trunking connectivity across the environment.
• Lead incident management for UC platform issues, including triage, escalation, and resolution.
• Own vendor escalation processes for Cisco, telecom carriers, and other UC vendors.
• Coordinate with business units and stakeholders on UC service requirements, changes, and incidents.
• Support Red Sky (E911) emergency calling services and compliance requirements.
• Support Microsoft Teams Meetings and related collaboration services.
• Monitor UC platform health using observability and logging tools (Splunk).
• Manage and analyze Call Detail Records (CDR) for reporting, troubleshooting, and compliance.
• Demonstrate flexibility to work weekends and off-hours as needed to support planned engineering changes, maintenance windows, and critical deployments.
• Continuously enhance documentation quality and drive knowledge-sharing practices across the team to reduce tribal knowledge and improve onboarding.

Skills

UC engineering

Cisco Webex

Webex Calling

Webex Contact Center

SIP Trunking

CDR analysis

Splunk monitoring

Incident management

Vendor coordination

Trading Turret

E911 (Red Sky)

Education

Cisco CCNP Collaboration

Tools

Splunk

Job description

Miratech is seeking a Senior UC Engineer to join the Global Unified Communications Engineering team. You will design, deliver, and operate enterprise UC platforms across the Americas, focusing on Cisco Webex Calling, Webex Contact Center, and related services.

You will engage with Cisco, telecom carriers, and vendors to ensure reliability, security, and supportability. Weekend support, strong observability, and a proactive stance on incident resolution are expected.