We are looking for an experienced Cisco UC System & Infrastructure Administrator to join our team. You will be responsible for supporting, administering and deploying Cisco Unified Communications environments and the infrastructure that supports them, ensuring secure, reliable and high-performing telephony services.
100% On-site position (Getafe or Sevilla)
English B2 level or higher is required
- Deploy and maintain Cisco Unified Communications infrastructures.
- Administer VMware, Windows Server and Linux environments supporting Cisco UC platforms.
- Manage core network services including DNS, DHCP, NTP, VLANs and QoS.
- Perform upgrades, backups, certificate management and system hardening activities.
- Support integrations with enterprise security services such as PKI, SIEM, EDR and patch management tools.
- Provide L2/L3 support and collaborate with operations and infrastructure teams.
- Maintain technical documentation and operational procedures.

Required Experience & Skills
- 5+ years of experience in Systems and Infrastructure Administration.




- Hands-on experience with Cisco Unified Communications platforms (CUCM, CUC).
- Strong knowledge of VMware vSphere, ESXi and vCenter.
- Experience with Windows Server environments and Active Directory services.
- Linux administration experience (RHEL, Debian or similar).
- Solid understanding of enterprise networking, including TCP/IP, DNS, DHCP, VLANs, Routing and SIP/RTP.
- Experience working with security and monitoring tools in enterprise environments.
- Professional level of English.

Preferred Skills
- Cisco CCNA or CCNP certifications.
- VMware VCP certification.
- Linux certifications such as RHCSA or LPIC.
- Experience with Cisco UCS infrastructure.
- Knowledge of Imagicle, Prognosis or similar monitoring tools.
- Experience in infrastructure migration or transformation projects.
- Cisco Unified Communications (CUCM, CUC)
- VMware vSphere, ESXi & vCenter
- Windows Server & Active Directory
- PKI, SIEM and EDR

📌 Cisco UC System (España)
🏢 Capgemini
📍 España