Senior Cisco Unified Communications Engineer

CBSbutler Holdings Limited trading as CBSbutler; Portsmouth; On-site; GBP 82,000 - 108,000; Full time

Job summary

CBSbutler is seeking a Senior Cisco Unified Communications Engineer to support and maintain telephony and video conferencing infrastructure in a defence environment in Portsmouth. This is a hands-on role taking ownership of complex issues and ensuring reliability of communications services.

You will work with CUCM, Unity Connection, Jabber, Webex, TMS, and Pexip, handle SIP/H.323, and provide guidance to operations teams; SC clearance is required.

Qualifications

• Hands-on Cisco Unified Communications experience (CUCM, Unity Connection, Jabber, IP telephony).
• Experience with Cisco Webex and video conferencing infrastructure.
• Familiarity with SIP and H.323 protocols in enterprise environments.

Responsibilities

• Troubleshooting Level 2/3 incidents across Cisco telephony and video conferencing infrastructure.
• Maintain Cisco Unified Communications environments (CUCM, Unity, Jabber, IP Phones).
• Manage Cisco Webex/Video conferencing (TMS, Pexip).
• Investigate SIP/H.323 connectivity issues and configurations.
• Support hardware/software requests and technical projects.
• Maintain documentation and procedural knowledge bases.
• Provide technical guidance to operations teams.

Skills

CUCM

Unity Connection

Jabber

IP telephony

SIP/H.323

Tools

VMware vSphere

vSAN

Kurmi

Telsica

PeterConnects

Job description

Job title: Senior Cisco Unified Communications Engineer

Rate: 515 per day inside IR35

Contract: 4-month rolling

Location: Portsmouth

Active SC clearance is required for this role

We're looking for a technically strong Cisco Unified Communications Engineer to support and maintain critical telephony and video conferencing infrastructure within a major defence environment.

This is a hands-on engineering role where you'll take ownership of complex technical issues, support enterprise collaboration platforms and help ensure the continued reliability and performance of essential communications services.

Responsibilities:

• Troubleshooting and resolving complex Level 2 and Level 3 incidents across Cisco telephony and video conferencing infrastructure.
• Supporting and maintaining Cisco Unified Communications environments, including CUCM, Unity Connection, Jabber and Cisco IP Phones.
• Managing and supporting Cisco Webex and video conferencing technologies, including TMS and Pexip.
• Investigating and resolving SIP and H.323 connectivity and configuration issues.
• Supporting hardware and software requests, infrastructure changes and ongoing technical projects.
• Maintaining technical documentation, operational procedures and knowledge bases.
• Providing technical guidance and knowledge transfer to wider operations teams.

Expereince Required:

You'll bring strong hands-on experience across Cisco Unified Communications, particularly:

• Cisco CUCM, Unity Connection, Jabber and IP telephony.
• Cisco Webex and video conferencing infrastructure.
• Cisco voice gateways and associated telephony infrastructure.
• SIP and H.323 protocols.
• L2/L3 troubleshooting within enterprise environments.

Desirable experience:

• VMware vSphere and vSAN.
• Kurmi, Telsica and PeterConnects.
• WAN/LAN networking and network security.
• Windows environments and general systems administration.