Senior Data Communications Architect - Enterprise Networking Leader

NTT DATA, Inc.; Barcelona; On-site; EUR 90,000 - 130,000; Full time

Job summary

NTT DATA is seeking an experienced DATACOM SME to provide technical leadership in enterprise networking. You will design, implement, optimize, and support large-scale network infrastructures with high availability and security.

The role requires collaboration with infrastructure, security, cloud, and operations teams to deliver reliable networking services across LAN, WAN, VPN, and data center environments.

Qualifications

• 8+ years in Network Infrastructure and Enterprise Networking.
• Experience with LAN/WAN, SD-WAN, VPN, Wireless, Data Center and Cloud Connectivity.
• Hands-on with Cisco, Juniper, Aruba, Huawei, Fortinet or equivalent.
• Strong TCP/IP, BGP/OSPF/EIGRP/MPLS, DNS, DHCP and routing concepts.
• Knowledge of Data Center networks and high availability concepts.
• Experience in monitoring, troubleshooting and performance optimization.
• Ability to lead discussions and mentor junior engineers.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure solutions.
• Provide SME for LAN, WAN, WLAN, SD-WAN, VPN, Data Center networking.
• Lead network transformation and modernization initiatives.
• Perform capacity planning, tuning, and optimization.
• Troubleshoot complex network issues and drive root cause analysis.
• Collaborate with Infrastructure, Security, Cloud, and Application teams.

Skills

Data Communication

Enterprise Networking

LAN / WAN / WLAN

SD-WAN

Routing & Switching

TCP/IP

BGP, OSPF, EIGRP, MPLS

Data Center Networking

Cloud Networking (Azure, AWS, GCP)

Network Monitoring

Network Performance

Network Architecture

High Availability

Disaster Recovery

Network Automation (Ansible, Python,

Tools

Cisco Networking Solutions

Juniper Networks

Aruba Wireless

Cloud Platforms (Azure, AWS, GCP)

Automation Tools (Ansible, Python, Terraform)

Job description

NTT DATA is seeking an experienced DATACOM SME to provide technical leadership in enterprise networking. You will design, implement, optimize, and support large-scale network infrastructures with high availability and security.

The role requires collaboration with infrastructure, security, cloud, and operations teams to deliver reliable networking services across LAN, WAN, VPN, and data center environments.