Cisco UC System & Infrastructure Administrator

🌍 Description and Location

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

⚙️ Key Responsibilities

• 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.

📊 Technical Environment

• Cisco Unified Communications (CUCM, CUC)
• Cisco UCS
• VMware vSphere, ESXi & vCenter
• Windows Server & Active Directory
• Linux Environments
• Enterprise Networking & Security
• PKI, SIEM and EDR Platforms
• Monitoring & ITSM Tools

💙 What will you love about working here?

• Wellbeing HUB – Programs to support your physical & mental health.
• Flexible Compensation Plan – Tailored benefits for your needs.
• Continuous Learning – Access to platforms like Coursera, Udemy & more.
• International Projects – Work with global teams and innovative technologies.
• Career Development – Training, certifications and professional growth opportunities.

🌐 About Capgemini

Capgemini is a global business and technology transformation partner, helping organizations accelerate their digital and sustainable transformation while creating tangible impact for enterprises and society.

It is a responsible and diverse group of 340,000 team members in more than 50 countries . With its strong heritage, Capgemini supports clients through strategy, design, engineering, cloud, data and AI-driven solutions.

💥 Ready to join us? Let's talk!