We are looking for a

Senior Infrastructure Engineer

to join our

Network Infrastructure Team

in

Barcelona . This is an excellent opportunity to work across a wide range of technologies and platforms—including Palo Alto Firewalls, A10 Load Balancers, Cisco Spine/Leaf routing and switching and Imperva WAF—while gaining hands‑on experience collaborating with diverse, integral teams across multiple regions and cultures.

The team consists of six engineers and reports to the Senior Manager, Infrastructure Engineering. We have strong expertise in Cisco routing and switching, Palo Alto firewalls, security policy, and A10 load balancing, and we’re excited to connect with candidates who bring experience in these areas, along with an interest in automation and continuous learning.

About You – Experience, Education, Skills, And Accomplishments

Bachelor’s degree in Computer Science, Information Systems, Network Engineering, Electrical/Computer Engineering, Telecommunications, or Cybersecurity (or equivalent education/certifications)





At least 5 years of experience in enterprise network engineering

At least 5 years of hands‑on experience with at least 2 of the following: Cisco switches/routers, A10 load balancers, Palo Alto firewalls (incl. L7 DPI), and Imperva WAF.

Experience with network design and planning for enterprise environments

Advanced troubleshooting/root‑cause analysis, including data capture and analysis across LAN/WAN/Wi‑Fi/security/load‑balancing

Capacity planning experience (bandwidth analysis, facilities, and system interdependencies)

It would be great if you also have…

Vendor certifications, Cisco (CCNP, CCDP, or higher), Firewalls, Data Center, Wireless.

Hands‑on experience with Palo Alto Firewalls.

Hands on experience with A10 Thunder Series and/or F5 Load Balancers and WAFs.

Hands experience with VPN technologies (IPSEC, GRE, Route‑based and DMVPN).

Hands on experience with routing, switching, and security.

Hands on experience with SDWAN and W

📌 Senior Infrastructure Engineer (Madrid)
🏢 Clarivate
📍 Madrid