Senior Network & Telecommunications Architect

Banco Finantia; Lisboa; Hybrid; EUR 42,000 - 70,000; Full time

Job summary

Banco Finantia in Lisbon seeks a Senior Network and Telecommunications Administrator to ensure the reliability and performance of critical networks and telecom infrastructures supporting the Bank’s operations with high availability, security and resilience.

You will manage LAN/WAN/Wi‑Fi, monitor infrastructures, analyze logs and performance metrics, and support VoIP and call recording systems, while documenting topologies and procedures.

Qualifications

• Degree in Computer Engineering, Telecommunications, Networks or a related field.
• Minimum of 4 years of professional experience in network administration and telecommunications.
• Proven experience in managing and supporting network and telecommunications environments.
• Strong knowledge of TCP/IP, VLAN, VPN, STP, VRRP and QoS.
• Cisco CCNA or CCNP certification (preferred).
• Experience with Cisco equipment and network monitoring tools.
• Fluency in English, both written and spoken.
• Knowledge of Spanish (preferred).

Responsibilities

• Administer and maintain LAN, WAN and Wi-Fi networks with high availability, security and performance.
• Continuously monitor network infrastructures, identifying connectivity issues and ensuring timely resolution.
• Analyze logs, alerts and performance metrics to prevent failures and optimize efficiency.
• Manage and support VoIP and call recording solutions for reliability.
• Create, configure and maintain telephone extensions and user profiles.
• Implement and monitor QoS standards for voice and video communications.
• Evaluate new technologies to improve and modernize networks.
• Review and evolve network architecture to align with business needs.
• Prepare and maintain network documentation including topologies and procedures.
• Develop capacity planning and expansion initiatives.
• Collaborate with suppliers and operators to ensure service levels.

Skills

Network administration

TCP/IP

VLAN

VPN

QoS

English (written & spoken)

Spanish (preferred)

VoIP

Cisco equipment

Log analysis

Education

Degree in Computer Engineering / Telecommunications / Networks

Tools

Cisco equipment

Network monitoring tools

Job description

Banco Finantia in Lisbon seeks a Senior Network and Telecommunications Administrator to ensure the reliability and performance of critical networks and telecom infrastructures supporting the Bank’s operations with high availability, security and resilience.

You will manage LAN/WAN/Wi‑Fi, monitor infrastructures, analyze logs and performance metrics, and support VoIP and call recording systems, while documenting topologies and procedures.