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Unified Communications Engineer

Jane Street
🇬🇧LondonSeniorFull-timePosted August 12, 2026

About the Role

We are looking for a Unified Communications (UC) Engineer to help grow, monitor and manage our global voice and video infrastructure. The UC team is responsible for all tasks and infrastructure related to collaboration and telephony, including improving tooling and monitoring, deploying UC products and services, and executing software and hardware configuration changes globally while minimising downtime.

  • Monitor alarms generated by voice and video systems and juggle project-related tasks
  • Serve as an escalation point for users and other technology groups
  • Interface daily with various tech teams across the firm to provide capacity planning, develop standards and best practices, and improve documentation
  • Deliver smart solutions in a fast-paced environment without disrupting daily workflow

Requirements

  • 7+ years of in-depth experience configuring and supporting the Cisco UC and Collaboration Product Suite in a multi-cluster environment, including Cisco Unified Communications Manager versions 14+, Cisco Meeting Server and Cisco Expressway
  • Excellent knowledge of SIP, including implementing Session Border Controllers and PSTN SIP trunking
  • Deeply experienced with upgrading and maintaining Cisco UC products, including supporting phones, softphones and video conferencing endpoints
  • Knowledgeable about UC compliance products, and experienced with modern voice recording platforms (Verint, NiCE, Red Box, etc.) and messaging archiving products (Movius, LeapXpert, Smarsh, etc.)
  • Knowledgeable about Cisco APIs related to UC products, and experienced with creating API automations using Python, PowerShell, etc.
  • Experienced with integrating cloud-based conferencing technologies (Webex, Zoom, Teams, etc.) with on-premise infrastructure
  • Comfortable troubleshooting custom API-based integrations with UC products and services
  • Able to collect and interpret log files, collaborate with support partners to solve problems while maintaining system stability and properly manage expectations with colleagues and users
  • Familiar with the virtualisation of Cisco UC applications on enterprise-grade servers (HPE, Dell, Cisco, etc.)
  • Have a strong understanding of current security standards and expectations, and an ability to troubleshoot and use creative thinking to resolve issues
  • Fluent in English