CUCM Engineer - Systems Integrator

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Join an independent technology company built on a foundation of excellence, designing, running, and managing some of the world's most advanced and reliable infrastructure, and working closely with customers to unlock their potential.

The organization is currently on the lookout for a CUCM Engineer to deploy, configure, automate, and validate Cisco Unified Communications environments. The ideal candidate will support the complete Cisco Collaboration stack, from automated deployment and configuration through integration testing, troubleshooting, and operational handover, while resolving complex signalling, media, routing, and integration issues.

Responsibilities:

Implement automated deployment and provisioning pipelines for Cisco Unified Communications platforms

Deploy, configure and validate Cisco Unified Communications Manager (CUCM) v15

Configure and support Cisco Jabber, Cisco Meeting Server (CMS) v3 and Cisco Unified Border Element (vCUBE) v17

Configure and validate SIP endpoints, SIP trunks and voice gateways

Implement and maintain dial plans and PSTN integrations

Perform CUCM cluster configuration and post-installation activities

Configure Jabber services and CMS conferencing integrations

Configure vCUBE and SIP federation between Unified Communications environments

Manage certificates and secure communications across the Cisco UC environment

Develop, maintain and troubleshoot Ansible playbooks

Develop and maintain Argo Workflow orchestration

Integrate Cisco UC platforms using AXL, SOAP and REST APIs

Support Infrastructure as Code, automated provisioning and zero-touch deployment processes

Perform lab-based integration and system verification testing

Execute functional, operational, performance and interoperability testing

Validate federation scenarios between independent Cisco Collaboration domains

Carry out acceptance testing and operational readiness validation

Collect and maintain technical deployment, testing and acceptance evidence

Produce clear test and verification documentation

Analyse logs, traces and packet captures to diagnose technical issues

Troubleshoot signalling, media, routing, security and platform-related issues

Use CUCM RTMT, CMS diagnostics, vCUBE logs and network analysis tools for fault investigation

Perform root cause analysis for complex UC and networking issues

Support the transition of solutions from engineering and testing into operational environments

Work collaboratively within multidisciplinary engineering teams throughout the deployment lifecycle

Skills/Must Have:

Strong hands-on Cisco Unified Communications engineering experience

Cisco Unified Communications Manager (CUCM), preferably v15

Cisco Jabber

Cisco Meeting Server (CMS) v3

Cisco Unified Border Element (vCUBE) v17

SIP hard phones and SIP-based endpoints

SIP trunk configuration

Dial plan design and implementation

Voice gateways

PSTN integration

Strong understanding of VoIP and Unified Communications technologies

SIP

RTP / SRTP

TLS

TCP/IP

DNS

DHCP

Routing and switching

Network security

QoS for voice and video

Ansible

Argo Workflows

Infrastructure as Code (IaC)

Automated provisioning

Zero-touch deployment

AXL API

SOAP API

REST API

Integration testing

System verification testing

Acceptance testing

Federation and interoperability testing

Evidence collection

Test documentation

Root cause analysis

CUCM Real-Time Monitoring Tool (RTMT)

Packet capture and network trace analysis

Log analysis

Certificate management

Monitoring and troubleshooting

Operational readiness validation

Strong troubleshooting skills across signalling, media, routing and integration issues

Ability to work effectively within multidisciplinary engineering teams

Ability to manage technical activities from automated installation through configuration, testing and operational handover

Salary:

Competitive salary based on experience and qualifications

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