Are you a seasoned network professional ready to lead infrastructure projects that make a real impact? We're looking for a Senior Network Engineer to join our team and take ownership of designing, managing, and evolving our network infrastructure across multiple sites.

What You'll Do

- Design and optimize LAN, WAN, WLAN, VPN, and SD-WAN infrastructures
- Drive scalability, redundancy, and high availability across environments
- Evaluate and recommend cutting-edge technologies from Cisco, Juniper, Aruba, and Fortinet
- Configure and manage routers, switches, firewalls, load balancers, and access points
- Monitor performance using tools like Nagios, PRTG, or SolarWinds
- Manage QoS policies, VLANs, IP addressing, and routing protocols (OSPF, BGP, EIGRP)
- Implement firewall policies, VPNs, and Zero Trust segmentation
- Conduct vulnerability assessments and contribute to penetration testing
- Keep security configurations aligned with current best practices (IDS/IPS, access control)
- Diagnose and resolve complex Level 2/3 network incidents
- Maintain thorough network diagrams, configurations, and documentation
- Automate repetitive tasks using Ansible, Python, or custom scripting




- Manage configuration backups and version control for network equipment
- Work cross-functionally with systems, cloud, and cybersecurity teams
- Lead network deployments, data center migrations, and branch rollouts
- Manage vendors and external service providers

What We're Looking For

5–8 years of experience in network infrastructure, including multi-site or data center environments

Hands-on experience with SD-WAN, VoIP, QoS, and network virtualization (VLAN, VXLAN)

Proficiency with hardware from Cisco, Juniper, HP/Aruba, Fortinet, or Palo Alto

Proven leadership in multidisciplinary technical teams under high-pressure conditions

Strong vendor management and coordination skills

Relevant certifications a plus: CCNP, CCIE, JNCIP, NSE, or equivalent

English proficiency required (B2 minimum) — working language for technical documentation, international team communication, and vendor management

Knowledge of additional languages (Spanish, German, or French) is a plus

Why Join Us?

Work on complex, high-impact infrastructure projects

Collaborate with international, cross-functional teams

Real ownership and visibility in your role

#J-18808-Ljbffr

📌 Network Engineer (L'Hospitalet de Llobregat)
🏢 Barcelona Technical Center
📍 L'Hospitalet de Llobregat