Senior Network Engineer, hibrido

Senior Network Engineer

Job Title : Senior Network Engineer

Location : Madrid, Spain (Hybrid occasional onsite at Calle Josefa Valcárcel, 30)

Sector : IT / Network Engineering

Job Description

We are looking for a highly experienced Senior Network Operations Center (NOC) Engineer to support the

operation, monitoring, and escalation processes of global enterprise network infrastructure. The ideal candidate will

have 5+ years of hands-on experience managing complex network environments, ensuring availability, performance,

and security across hybrid and cloud infrastructures.

This position focuses on proactive monitoring, incident resolution, performance tuning, and support of next-

generation networking technologies in both traditional and cloud environments. The engineer will also contribute to

planning, implementing, and optimizing network services in collaboration with cross-functional teams.

Key Responsibilities

Monitor the performance and health of enterprise networks and respond to alerts and incidents in a timely

manner.

Troubleshoot and resolve network issues across data centers, cloud platforms, and branch locations.

Analyze trends and identify patterns to proactively prevent future incidents.

Manage and escalate network incidents and coordinate with ISPs and third-party vendors.

Support change and configuration management processes across the network infrastructure.

Provide administration and support for VoIP, LAN, WLAN, and VPN services.

Implement and support cloud networking services in AWS and Azure.

Participate in the rollout of SASE technologies, such as Netskope, and Zero Trust Architecture.

Maintain DNS / DHCP, VLANs, and firewall configurations.

Collaborate with internal teams for project delivery, including network migrations, upgrades, and rollouts.

Create and maintain documentation for configurations, processes, and incidents.

Required Skills Technologies

Strong expertise in routing, switching, and firewall administration (Cisco, Fortinet, etc.).

Proven experience with VPNs, VLANs, DNS, DHCP, and VoIP systems.

Hands-on experience with network monitoring tools and platforms.

Knowledge of cloud networking (AWS and / or Azure).

Experience with SASE frameworks, especially Netskope, is a strong advantage.

Familiarity with wireless network troubleshooting and optimization.

Experience coordinating with ISPs and managing service-level agreements (SLAs).

Qualifications

Bachelor s degree in Telecommunications, Computer Science, or a related technical field.

Minimum 5 years of experience in NOC or Network Engineering roles.

Strong analytical and troubleshooting skills.

Excellent verbal and written communication in English and Spanish.

Availability to work in a hybrid model and respond to critical network events.

Cisco, Fortinet, VPN, VLAN, DNS, DHCP, VoIP, AWS, Azure, Netskope, SASE, Zero Trust, LAN, WLAN,