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 do

📌 Network Engineer (España)
🏢 Barcelona Technical Center
📍 España