5G Cloud Core Data Manager (CCDM) - Lifecycle Engineer

Ericsson is seeking a 5G Cloud Core Data Manager (CCDM) - Lifecycle Engineer to join their Madrid R&D team. This role involves sustaining and evolving the CCDM product through its lifecycle, tackling complex customer issues, and engaging in 3rd-line support., * Sustain, evolve, and support the CCDM product throughout its entire post-release lifecycle.

• Investigate and resolve complex issues reported from customer environments.

• Develop, test, and release patches and fixes with minimal disruption to live networks.

• Participate in the 24x7 3rd-line support on-call rotation., We offer an empowering and flexible work environment where you can grow technically while making a direct impact on products deployed by major telecom operators worldwide. What You Will Do

• Sustain, evolve, and support the CCDM product throughout its entire post-release lifecycle - from deployment through upgrades, maintenance, and end-of-life

• Investigate and resolve complex issues reported from customer environments, performing root cause analysis and delivering timely corrections

• Develop, test, and release patches and fixes with minimal disruption to live networks

• Participate in the 24x7 3rd-line support on-call rotation

• Drive continuous improvement of product reliability, performance, and maintainability

• Work with technologies such as Kubernetes, AI/LLMs, cloud-native platforms, and CI/CD pipelines

• Collaborate cross-functionally with development, operations, and support teams to bridge the gap between field issues and engineering solutions, * The opportunity to work on a world-class distributed database platform that underpins critical infrastructure for leading telecommunications operators globally

• Support us in the adoption of Artificial Intelligence and Large Language Models within our engineering practices - from intelligent automation to AI-assisted development and testing

• Exposure to technically challenging problems at scale: real-time processing, high availability, and millions of concurrent transactions

• A structured environment for professional growth in strategic technology domains including cloud-native systems, 5G core networks, and AI-driven software engineering

• Collaboration within a multidisciplinary, international engineering team committed to technical excellence

• Access to continuous learning programs and direct involvement in R&D initiatives at the forefront of the industry

• A stable career path within a global technology leader with long-term investment in innovation

• A flexible working model that supports a healthy work-life balance

The perfect candidate will have expertise in distributed databases, Java, and C++, and must possess excellent communication skills while being fluent in English. Join us to help shape the future of telecommunications with cutting-edge AI technologies., * Hands-on experience as a user, developer, or tester of distributed database technologies.

• Experience in programming for open-platform, real-time, and high-availability systems.

• Familiarity with LLMs and their practical applicability.

• Knowledge of cloud-native technologies (Kubernetes, Docker) and database fundamentals., Distributed database technologies Java C++ Cloud-native technologies AI-assisted development tools Excellent communication skills, Bachelor's degree in Telecommunications, Computer Science, or related field, We are looking for a highly motivated and passionate engineer to join our product line maintenance and customer support engineering organization, working on the 5G Cloud Core Data Manager (CCDM) product., * Hands-on experience as a user, developer, or tester of distributed database technologies

• Experience in programming for open-platform, real-time, and high-availability systems, including scripting

• Expertise in Java and C++, with solid knowledge of design patterns and software architecture

• Familiarity with LLMs and their practical applicability (LangGraph, LangChain, MCPs, low-code AI tooling)

• Knowledge of cloud-native technologies (Kubernetes, Docker) and database fundamentals

• Strong competence in AI-assisted development tools (e.g., GitHub Copilot, Claude, code assistants)

• Excellent communication skills and a collaborative, open mindset

• Fluent in English

• Bachelor's degree in Telecommunications, Computer Science, or related field

Desirable

• Deep understanding of distributed database concepts and telecommunications protocols
• Understanding of mobile network architecture (4G/5G) - interfaces, protocols, and network functions
• Knowledge of high-availability concepts and techniques (replication, leader election, active/standby)
• Experience with 5G core network
• Understanding of TCP/IP networking and modern transport protocols (e.g., QUIC), as well as IP-based applications (HTTP, HTTPS)

You will be part of a talented, self-organized team within Ericsson Spain R&D in Madrid, working in an international environment with leading-edge technologies.