5G Cloud Core Data Manager (CCDM) — Lifecycle Engineer.
About This Opportunity
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.
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.
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 24×7 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
What You Will Bring
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)
What We Offer
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
