> Markdown version of [/jobs/ext/3790349-cybersecurity-admin-for-gnss-infra-on-site-hybrid](https://www.wearedevelopers.com/jobs/ext/3790349-cybersecurity-admin-for-gnss-infra-on-site-hybrid). 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). --- # Cybersecurity Admin for GNSS Infra | On-Site/Hybrid - **Company:** Esyen - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Cyber Security, Software Vulnerability Management, GNSS - **Published:** October 17, 2026 - **Apply:** https://www.jobleads.com/es/job/cybersecurity-admin-for-gnss-infra-on-site-hybrid--comunidad-de-madrid--e8e15e5d2eff144c18435eb0b1b15822b ## About the Role We value English fluency, cryptographic knowledge, and a proactive security mindset. ## Description ESYEN, an engineering company serving the Space Industry, seeks Junior and Senior Cyber Security professionals to join the ETS team. You will work on an highly critical Ground Segment infrastructure, focusing on monitoring, incident response, vulnerability management, and secure configurations, with international collaboration and potential on-site work in Torrejón. We value English fluency, cryptographic knowledge, and a proactive security mindset.