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Unified Collaboration Infrastructure Engineer

CACI LimitedSt. Marks, Cheltenham🇬🇧United KingdomPosted 23 Jul 2026

Why This Role Stands Out

This role offers a fantastic opportunity to expand your expertise within a reputable company, enhancing your skills in cutting-edge unified collaboration technologies and infrastructure. You'll thrive here if you possess a strong background in network infrastructure, unified communications platforms, and server/storage management, eager to contribute to innovative solutions. Apply now to join a dynamic team and drive impactful technological advancements.

Quick Overview

Work Type
On Site
Schedule
Full Time
Level
Mid Senior

Job Description

LOCATION: Cheltenham, UKOnsite 5 days per weekPERMANENT or FTC
CACI Ltd are currently looking for a Unified Collaboration Infrastructure Engineer.
Key Responsibilities:
  • HS and LS Voice and Video telephony platforms.
  • Partner Connectivity across the UK and overseas
  • Underlying infrastructure to support UC Applications
  • Develop additional UC skills to aid in the support of other UC Team Collaboration
  • Tools and Audio-Visual and Managed Events capability to help create a multidisciplinary team.
  • Hardware installation/configuration
  • Infrastructure support Flexpod, NettApps

To be successful in this role, you will have the following skills, knowledge and experience:

Network Infrastructure

  • LAN/WAN fundamentals, QoS for video and voice traffic.
  • VLAN design, IP addressing
  • Secure device onboarding and certificate management.
  • Firewall administration (Cisco ASA/Firepower, Palo Alto, Fortinet)

Unified Communications Platforms

  • Cisco UC products
  • Cisco Unified Communications Manager (CUCM), Cisco Jabber, Cisco Unity Connection, Cisco Expressway, Cisco Meeting Server
  • Webex Control Hub administration.
  • SIP protocol understanding.
  • Interoperability and integration with Microsoft 365 or other UC tools.

Servers & Storage

  • Physical and virtual server installation, configuration, and support (Windows Server, Linux distributions).
  • Expertise in virtualisation platforms (VMware vSphere)
  • Storage provisioning, replication, and backup solutions.
  • Cisco UCS, Hyperflex, FlexPOD
  • Netapp

Infrastructure Automation & Monitoring

  • Scripting and automation
  • Infrastructure as Code (IaC) experience (Terraform, Ansible).
  • Splunk, Grafana

Video Conferencing Systems

  • Deploy, configure, and troubleshoot Cisco VTC endpoints (Room Kits, Webex Boards, SX/MX series, Desk series).
  • Knowledge of Zoom Rooms, Microsoft Teams Rooms, and interoperability gateways.

Cloud Infrastructure

  • Amazon Web Services (AWS) architecture and management.
  • Hybrid cloud deployments & integration with on-premise systems.
  • Cloud networking, security groups, and resource optimisation.

Skills

AWS
Splunk
Ansible
Grafana
Terraform
Unity
VMware

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