> Markdown version of [/jobs/ext/4493380-atc-software-engineer-signaling-cbtc-ertms](https://www.wearedevelopers.com/jobs/ext/4493380-atc-software-engineer-signaling-cbtc-ertms). 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). --- # ATC Software Engineer - Signaling & CBTC/ERTMS - **Company:** SIEMENS, S.A. - **Location:** Tres Cantos, Spain - **Contract:** Permanent contract - **Skills:** Microsoft Excel, Vba Programming Language - **Published:** November 2, 2026 - **Apply:** https://www.jobleads.com/es/job/atc-software-engineer-signaling-cbtc-ertms--tres-cantos--ee031fc7ac2fc98631ff26fc92a8479cc ## About the Role The role requires a degree in a related field, experience with rail signaling ATC technologies, strong Excel data analysis skills including VBA, and fluency in English. ## Description Siemens Mobility is seeking an ATC Software Engineer to configure and design wayside and onboard signaling for national and international projects. You will ensure trains move safely using ERTMS/CBTC, acting as the technical expert for ATC subsystems and data preparation tools. The role requires a degree in a related field, experience with rail signaling ATC technologies, strong Excel data analysis skills including VBA, and fluency in English.