> Markdown version of [/jobs/ext/2665071-core-engineer](https://www.wearedevelopers.com/jobs/ext/2665071-core-engineer). 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). --- # Core Engineer - **Company:** Neotalent Conclusion - **Location:** Alcobendas, Spain - **Contract:** Permanent contract - **Skills:** LTE (Telecommunication), Lightweight Directory Access Protocols (LDAP), Signalling Connection Control Part (SCCP) - **Published:** September 1, 2026 - **Apply:** https://www.recruit.net/job/core-engineer-jobs/22C84F941AF8C475 ## About the Role * Ingeniero/a de Núcleo de Red móvil (Core de Red Telco) con experiencia en entornos de pruebas y troubleshooting. Experiencia: mínimo 3 años * Experiencia en redes de Circuit Switching y/o Packet Switching, redes EPC (LTE), redes IMS (VoLTE), redes 5GC * Conocimiento avanzado de protocolos SS7 (MAP, CAMEL, ISUP, TCAP, SCCP…), DIAMETER (S6a, Gx, Gy…), VoLTE (SIP, Cx, Sh…) y se valorará 5G ( ldap). * Competencias de troubleshooting y entornos de pruebas ## Description Buscamos un PS/CS Core Engineer para uno de nuestros clientes de telecomuniciones en Madrid ## Related Videos - [Code meets connectivity - Developers as the powerhouse of Network API innovation](https://www.wearedevelopers.com/videos/1686-code-meets-connectivity-developers-as-the-powerhouse-of-network-api-innovation) - [Let’s write an exploit using AI](https://www.wearedevelopers.com/videos/1004-let-s-write-an-exploit-using-ai) - [How Visionary Leaders Drive Transformation](https://www.wearedevelopers.com/videos/1701-how-visionary-leaders-drive-transformation) - [Unleash the power of 5G in your code: transform your apps](https://www.wearedevelopers.com/videos/1567-unleash-the-power-of-5g-in-your-code-transform-your-apps) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Keycloak case study: Making users happy with service level indicators and observability](https://www.wearedevelopers.com/videos/1599-keycloak-case-study-making-users-happy-with-service-level-indicators-and-observability) ## Related Articles - [The CAMARA Project: How Telcos Collaborating Improves Developer Experience](https://www.wearedevelopers.com/magazine/671-the-camara-project-how-telcos-collaborating-improves-developer-experience) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)