Database & System Administrator

**G+D hace más segura la vida de miles de millones de personas en todo el mundo. Creamos confianza en la era digital con tecnologías de seguridad integradas en tres áreas de negocio: Seguridad Digital, Plataformas Financieras y Tecnología Monetaria. Hemos sido un socio confiable para nuestros clientes durante más de 170 años con nuestras soluciones innovadoras para SecurityTech Somos un grupo tecnológico internacional y una empresa familiar tradicional con más de 14,000 empleados en 40 países. Crear Confianza es nuestro camino hacia el éxito. La confianza es la base de nuestra cooperación en G+D.** ***En Tecnología de Pago, nuestra misión es estar al inicio de cada transacción y hacerla segura y sencilla. También creamos soluciones de pago y banca contemporáneas en nuestra era digital. Como único punto de contacto, producimos y personalizamos cientos de millones de tarjetas de pago cada año y almacenamos sus "gemelos digitales" - móviles y digitales. ¿Te gustaría dar forma activamente a la transformación digital con nosotros?** At **Giesecke+Devrient (G+D)**, we develop technologies that protect identities, payments, and data infrastructures worldwide.We’re looking for a **Database & System Administrator (DBA)** to join our** IT team** in Barcelona. You’ll play a key role in ensuring reliable, secure, and high-performing IT services by combining strong **database administration skills** with solid **systems administration expertise** across both Linux and Windows environments.This is a great opportunity for a professional passionate about **database technologies, automation, and high-availability systems**, who wants to make an impact in a global, mission-critical environment. **What will you do?**: **Database Administration**: - Administer, monitor, and maintain **Oracle, MS SQL Server, and PostgreSQL** databases in on-premise and cloud environments. - Design and implement **High Availability (HA)** and **Disaster Recovery (DR)** solutions (Oracle RAC, Data Guard, AlwaysOn, streaming replication). - Plan and execute **installations, upgrades, migrations, and patching** activities. - Perform **backup, recovery, and performance tuning** to ensure optimal reliability and efficiency. - Manage **database security**, user access, and auditing processes. **Systems Administration**: - Perform **system monitoring, patching, configuration, and hardening** to maintain stability and security. - Collaborate with infrastructure teams on **virtualization, storage, and networking** requirements. - ** Automate** operational tasks using **Bash, PowerShell, or Python** scripting. - Contribute to **cloud infrastructure operations** (Azure, Oracle Cloud) with a focus on hybrid environments. **Operational Excellence**: - Participate in **Incident, Problem, and Change Management** processes following ITIL standards. - Document and maintain **system and database configurations** and procedures. - Provide **technical support and troubleshooting** for database and system-related incidents. - Participate in **on-call rotations** for 24/7 operational support. - Collaborate cross-functionally with **DevOps, Networking, and Application teams**. **What are we looking for?**: **Your professional background**: - 5+ years of experience as a **Database Administrator** in enterprise environments. - Strong expertise in **Oracle Database (12c/19c or newer)** and solid experience with **MS SQL Server** and **PostgreSQL**. - Experience administering **Linux (RHEL, CentOS, Oracle Linux)** and **Windows Server** systems. - Understanding of **cloud database services** (Azure SQL, AWS RDS, Oracle Cloud Infrastructure). - Hands-on experience with **HA/DR, performance tuning**, and **database monitoring tools** (OEM, Grafana, Prometheus). - Familiarity with **automation and IaC practices** (Terraform, Ansible). - Certifications such as **Oracle Certified Professional (OCP)**, **Microsoft Certified: Azure Database Administrator**, or **Red Hat Certified Engineer (RHCE)** are highly valued. - Fluent in **English** (spoken and written). **Your human side**: - Strong analytical and troubleshooting mindset. - Excellent communicator, able to explain technical concepts clearly and effectively. - Reliable and structured, with a focus on quality and operational excellence. - Team player with a proactive attitude and ownership spirit. **What’s great about working with us?**: - ** Culture & Diversity**: Inclusive, people-oriented environment with a global mindset (LGBT+ friendly). - ** Global Collaboration**: Work in international Agile teams with colleagues around the world. - ** Innovation & Impact**: Contribute to the modernization of G+D’s global IT infrastructure and secure digital solutions. - ** Career Development**: Continuous learning, internal mobility, and coaching opportunities. - ** Benefits**: Flexible compensation plan (health insurance, transport, training, nursery vouchers), parking, and on-site canteen. - ** Work-Life Balance**: