> Markdown version of [/jobs/ext/4697605-etcs-data-testing-engineer-hybrid-global-impact](https://www.wearedevelopers.com/jobs/ext/4697605-etcs-data-testing-engineer-hybrid-global-impact). 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). --- # ETCS Data Testing Engineer - Hybrid & Global Impact - **Company:** SIEMENS, S.A. - **Location:** Tres Cantos, Spain - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Database Testing, Application Data - **Published:** November 13, 2026 - **Apply:** https://www.jobleads.com/es/job/etcs-data-testing-engineer-hybrid-global-impact--tres-cantos--e469983cec22aebad8baf267c835882d8 ## About the Role You will lead testing in lab environments, using real and simulated setups, ensuring fail-safe signalling operates safely and reliably. Requirements include a degree in engineering or related fields, Rail Signaling experience, knowledge of SUBSET 026/039/040, strong Excel skills, and fluency in English. ## Description Siemens Mobility, S.L.U. in Madrid is seeking an ETCS Data Testing Engineer at mid-level to verify critical ETCS application data for national and international main line projects. You will lead testing in lab environments, using real and simulated setups, ensuring fail-safe signalling operates safely and reliably. Requirements include a degree in engineering or related fields, Rail Signaling experience, knowledge of SUBSET 026/039/040, strong Excel skills, and fluency in English.