About CACI
From our headquarters in London, we are busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations span the UK, Europe and India and we have over 1600 full‑time employees with an annual turnover of £179m. Our expertise covers retail, education, public sector, transport and more, delivering intelligent solutions that drive progress and create measurable impact.
Network Services
CACI Network Services is a rapidly expanding specialist IT and networks consultancy offering a wide variety of opportunities to work within challenging and exciting environments with major clients in Global Media, Banking, Government, Telecoms & Utilities.
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 support of other UC team collaboration initiatives
* Tools and Audio‑Visual and Managed Events capability to help create a multidisciplinary team
* Hardware installation and configuration
* Infrastructure support – FlexPod, NettApps
* Faults and service requests
* Technical escalations
* Contribute to internal monitoring and management tools (Grafana, Splunk, Python‑based tools, Ansible)
Core Skills 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 (CUCM, Jabber, Unity Connection, Expressway, 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), virtualisation platforms (VMware vSphere), storage provisioning, replication and backup solutions, Cisco UCS, Hyperflex, FlexPOD, NetApp infrastructure automation & monitoring, scripting and automation, Infrastructure as Code (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, hybrid cloud deployments and integration with on‑premise systems, cloud networking, security groups and resource optimisation
Expected Behaviours
We have a structured performance management framework that measures continual attainment against key personal behaviours. Joining as a team member we expect you to act as a role model and exemplar against these behaviours:
* Proactive
* Adaptable
* Flexible
* A team player
* Reliable
Flexibility & Working Arrangements
The key to our success is teamwork and collaboration. We take a hybrid approach – working remotely and coming into the office depending on business demand and collaboration required as part of the delivery process.
Equal Opportunities
CACI is proud to be an equal employer. We are committed to building a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status, or disability or health condition, actively working to prevent discrimination.
Disability Confidence
* Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team to discuss individual requirements further)
* Offer people with health conditions and disabilities, meeting the minimum criteria for a role, an interview
Supportive Work Environment
Our people are unique, and we encourage and support them to be confident in contributing to our inclusion journey.
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