Cisco Voice SME – 12-Month Contract – Glasgow – Inside IR35

Company: Hamilton Barnes
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Location: Glasgow
Job Description:

Cisco Voice SME – 12-Month Contract – Glasgow – Inside IR35


Our client, a leading IT consultancy, is looking for a Cisco Voice SME (L3 Voice Operations Engineer) to support a major financial services programme. You will plan, install and migrate enterprise voice and data infrastructure for a new office build, then provide L3 support for telephony services once it is live. This is a 12-month contract, Inside IR35, based in Glasgow on a hybrid basis (3 days a week onsite). Some Friday evening and Saturday working is required during installation phases.


Key Responsibilities



  • Plan, coordinate and install voice and data hardware and associated cabling for office construction, renovation and relocation projects

  • Oversee migrations and support the first day of business operations in the new environment

  • Provide L3 troubleshooting, analysis and remediation for global voice infrastructure, covering incident, problem and change management

  • Support L1 and L2 teams through incident escalations, and keep business units informed during projects and incidents

  • Take part in operational acceptance of new deployments, produce as-built technical documentation, and contribute to vendor management and governance


What You Will Ideally Bring



  • Strong Cisco Unified Call Manager (CUCM) expertise, version 12.x or later, including IP endpoints, Cisco Jabber and Jabber Mobile

  • Hands-on experience with contact centre voice and Cisco Mobile and Remote Access (MRA)

  • Deep knowledge of voice technologies and protocols (SIP, MGCP, ISDN), session management and call routing

  • A minimum of 5 years working with enterprise voice and data systems, with CCNP Collaboration-level knowledge (certification preferred, not required)

  • Desirable: Cisco UCCX, Avaya Session Manager, IPC and Private Wires, and a Bachelor’s degree


Contract Details



  • Duration: 12 months

  • Day Rate: Negotiable

  • Determination: Inside IR35

  • Location: Glasgow (hybrid, 3 days a week onsite)

  • Positions: 1

  • Start Date: ASAP


Cisco Voice SME – 12-Month Contract – Glasgow – Inside IR35

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Posted: October 21st, 2026