Cisco Voice SME

Cisco Voice SME / L3 Voice Operations Engineer

£400-£420 per day (Inside IR35)

12-Month Contract | ASAP Start

Hybrid - 3 days per week onsite in Glasgow

We are currently seeking an experienced Cisco Voice SME / L3 Voice Operations Engineer to join a major enterprise technology programme. This is an excellent opportunity for a highly skilled Voice specialist to support the delivery, operation and enhancement of a large-scale Cisco Unified Communications environment.

Working as part of a global voice infrastructure team, you will provide Level 3 support, technical leadership and operational expertise across Cisco voice platforms, ensuring business-critical telephony services remain available, secure and performant.

Key Responsibilities

• Act as the Subject Matter Expert for Cisco Voice technologies and Unified Communications platforms.
• Provide Level 3 troubleshooting, analysis and resolution of complex voice-related incidents.
• Support and maintain global voice infrastructure, including incident, problem and change management activities.
• Configure, administer and support Cisco Unified Communications Manager (CUCM) environments.
• Support Cisco Contact Centre solutions and associated voice services.
• Manage and troubleshoot Cisco Jabber, Mobile Remote Access (MRA) and collaboration technologies.
• Support office construction, relocation and renovation projects, including voice and data infrastructure deployments.
• Participate in installation, migration and operational acceptance activities for new deployments.
• Provide technical escalation support to L1 and L2 teams.
• Produce and maintain technical documentation and as-built designs.
• Work with vendors and stakeholders to ensure successful project delivery and operational support.
• Participate in out-of-hours and weekend activities where required during key project phases.

Essential Skills & Experience

• Strong experience as a Cisco Voice SME within large enterprise environments.
• Extensive hands-on experience with Cisco Unified Communications Manager (CUCM).
• Strong knowledge of Cisco Contact Centre technologies.
• Proven expertise in Cisco Voice troubleshooting and Level 3 support.
• Strong understanding of Mobile Remote Access (MRA).
• Experience supporting Cisco Jabber and collaboration platforms.
• Excellent knowledge of SIP, MGCP, ISDN, call routing and session management.
• Minimum 5 years' experience supporting enterprise voice and data environments.
• Experience using ServiceNow for incident and change management.
• Willingness to support evening and weekend implementation activities when required.

Desirable Skills

• Cisco UCCX experience.
• Avaya Session Manager experience.
• Familiarity with IPC and Private Wire environments.
• CCNP Collaboration certification or equivalent experience.
• Degree-level education.

If you are an experienced Cisco Voice professional with strong CUCM, Contact Centre and Voice Operations expertise, we'd love to hear from you. Please apply promptly to be considered.