> Markdown version of [/jobs/ext/2978785-network-security-administrator-ingles-hibrido](https://www.wearedevelopers.com/jobs/ext/2978785-network-security-administrator-ingles-hibrido). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network & Security Administrator (INGLÉS), hibrido - **Company:** CAS - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Network Security, Load Balancing - **Published:** September 18, 2026 - **Apply:** https://www.empleate.gob.es/empleo/#/oferta/1857633437 ## About the Role Network & Security Administrator (INGLÉS) System administrator, security and troubleshooting WAF F5. - Maintain and upgrade existing secure network infrastructure. - Monitoring and configuration network performance testing and evaluation. - Manage network security. - Troubleshoot network-related technical issues Cross-functional knowledge of complex end-to-end troubleshooting, administration and fine tuning of the following secure network technologies is required: - Experience with WAF advanced administration, maintenance and troubleshooting (F5 desirable) - Management of navigation through proxy and troubleshooting in scenarios where this technology is involved (Netskope desirable) Advanced administration, maintenance and troubleshooting with NGFW (Palo Alto and CheckPoint desirable) Experience with load balancing devices (F5, Radware) will be taken into account. Additional routing and switching protocols and technologies is desired. An advanced level of spoken English is required for this position (B2 minimum, C1 desirable. WAF, F5, NGFW ## Related Videos - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [gRPC Load Balancing Deep Dive](https://www.wearedevelopers.com/videos/1576-grpc-load-balancing-deep-dive) - [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud) - [Blockchains: One Size doesn't Fit All](https://www.wearedevelopers.com/videos/409-blockchains-one-size-doesn-t-fit-all) - [Cloud Run- the rise of serverless and containerization](https://www.wearedevelopers.com/videos/106-cloud-run-the-rise-of-serverless-and-containerization) ## Related Articles - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)