Compartir esta oferta de trabajo


Fecha: 25-jun-2022

Ubicación: MADRID, ES

Empresa: Telefonica S.A.

Area description 

Telefonica CTO-Novum is seeking talented engineers to join our Engineering team. The challenges faced every day in extending and improving the Telefonica user experience require vast knowledge in how to produce highly maintainable and extensible object-oriented code. Our engineers must feel the need to build a product that works fast and flawlessly, be passionate about eliminating any problems as soon as they are discovered and take pride in doing so. 


The CTO-Novum group builds and operates the main application for Telefónica customers worldwide reaching more than 30 million active users. We work to build new and innovative products and to ease the access to all the services that Telefónica offers. 

Our mission is to guide our customers along their lifecycle, by being the center of the digital relationship with Telefónica 

Main duties & Responsibilities

  • Develop and maintain infra components in the language most appropriate to the problem. The main tools in use are terraform, puppet and ansible. 
  • High-quality design of infrastructure components for maintainability, robustness and scalability. 
  • Writing and maintaining effective terraform modules. 
  • Analyze and eliminate security vulnerabilities, and bottlenecks in system performance. 
  • Working together with Platform Engineers to deploy components and monitor them. 
  • Debug issues on dev, pre and production environments. 
  • On-call shifts 

Education required

  • Computer Science, Telecommunication Engineer, etc. 

Specific skills 

  • Programming skills (Bash, Python, Go). 

  • Systems automation. 

  • Database knowledge is a plus. 

  • Microsoft Azure or AWS certifications are appreciated. 

  • Experience managing cloud environments (AWS, GCP, Azure) 

  • Experience in designing, analyzing, and troubleshooting large-scale distributed systems. 

  • Debug production issues across services and levels of the stack. 

  • Experience with one or more orchestration, deployment tools Terraform, Puppet/Ansible. 

  • Familiarity with Git or other source control systems. 

  • Experience using tools to create and manage CI (continuous integration) and CD (continuous delivery) pipelines. 

  • Working knowledge of the TCP/IP stack, internet routing and load balancing. 

  • Experience with monitoring alerting using technologies like Prometheus, PagerDuty. 

  • Strong problem solver with meticulous attention to detail 

  • Strong interpersonal communication skills (including listening, speaking, and writing) and ability to work well in a diverse, team-focused environment with other SREs and Engineers, Project Managers, etc. 

Technical knowledge 

Nice to have: 

  • Automated build tools: Maven, Docker and Kubernetes 
  • Tools: Git; metrics and log tools as Graphite, Prometeus, Grafana and Kibana 

Professional experience 

  • 5+ years of experience in a Linux large-scale operations role. 


  • English (professional competence) 


If you join Telefónica

You join almost 100 years of history, you join a team of 106 nationalities present in more tan 35 countries. You join a team that works to connect people wherever they are. We are leading the digital revolution with the enthusiasm of the first day in all our businesses, creating the best digital ecosystem for our clients: network, IoT, cloud, security, innovation etc. Here, at Telefónica you count with everything you need to be the best you. We need people like you that wants to take this challenge of creating the Telefónica of tomorrow.

Telefonica is committed to the new working ways. Under our proposition “Disconnect to Reconnect” we have applied the Digital Disconnection.



We strongly believe diverse and inclusive teams become more innovative and they achieve improved results. Telefonica aims to promote and guarantee a place for everyone, just the way we are: gender, age range, sexual orientation and/or identity, culture, creed, disability or any other personal condition.