Senior Network Architect — Lead Global Infrastructure (Lisbon)

Claranet limited; Lisboa; Presencial; EUR 65 000 - 90 000; Tempo integral

Resumo da oferta

Claranet limited in Lisbon invites a Senior Network Engineer to join our internal team. You will resolve critical incidents, provide Level 3 support, and optimize LAN/WAN/WLAN and data center networks while managing SD-WAN, cloud networking, and virtualization environments.

You will define architectures, perform RCA, lead capacity planning, and mentor junior engineers while maintaining security controls and vendor partnerships.

Qualificações

• Proven experience in Network Operations, Administration and Support.
• Strong expertise in LAN, WAN, WLAN and Data Center networking.
• Advanced troubleshooting and problem-solving skills.
• Experience providing Level 3 (L3) network support.
• Knowledge of routing and switching (BGP, OSPF, STP, QoS, VRF).
• Experience with security technologies: Firewalls and VPNs.
• Experience leading complex incident resolution and RCA.
• Experience planning complex network changes.
• Experience working with vendors.

Responsabilidades

• Manage and resolve critical and complex network incidents.
• Provide Level 3 technical support.
• Administer and optimize LAN, WAN, WLAN and Data Center networks.
• Manage SD-WAN, Cloud Networking and Network Virtualization.
• Plan and implement complex network changes.
• Define and validate network architectures and technical solutions.
• Perform RCA for major incidents and recurring issues.
• Lead network performance optimization and capacity management.
• Administer advanced network security technologies and controls.
• Provide technical leadership for implementation and migration projects.
• Develop and maintain infrastructure automation solutions.
• Define technical standards, procedures and best practices.
• Mentor junior engineers; manage vendor relationships.
• Produce and maintain high-level technical documentation.

Conhecimentos

LAN/WAN/WLAN

BGP OSPF

L3 Network Support

Network Operations

Routing & Switching

VPN & Firewalls

Vendor Liaison

Network Documentation

ITIL Awareness

Formação académica

Ferramentas

SD-WAN

Data Center Networking

Descrição da oferta de emprego

Claranet limited in Lisbon invites a Senior Network Engineer to join our internal team. You will resolve critical incidents, provide Level 3 support, and optimize LAN/WAN/WLAN and data center networks while managing SD-WAN, cloud networking, and virtualization environments.

You will define architectures, perform RCA, lead capacity planning, and mentor junior engineers while maintaining security controls and vendor partnerships.