DBA & Data Modeller – (12 Month project - Contractor)

Robert Walters Spain; Barcelona; Híbrido; EUR 30.000 - 50.000; A tiempo parcial

Descripción de la vacante

A recruitment agency is seeking an Interim Management professional in Barcelona for a critical Data & Analytics role. The responsibilities include designing and maintaining data models across operational databases, administering relational and NoSQL databases, and ensuring compliance with security standards. Ideal candidates should possess advanced DBA skills, experience in cloud environments, and expertise in Databricks and SQL. The position offers a hybrid work model and a negotiable salary.

Formación

• Ownership of production databases in cloud environments.
• Collaboration to advance best practices in Databricks.
• Ability to design new OLTP schemas.

Responsabilidades

• Develop and update data models for core business applications.
• Administer relational databases like Oracle and SQL Server.
• Manage NoSQL databases for analytical workloads.
• Tune database performance at various levels.
• Oversee security and compliance standards.
• Assist with backup and disaster recovery planning.

Conocimientos

Advanced DBA expertise within cloud environments

Experience managing Databricks accounts

Optimising OLTP entity–relationship data models

Proficiency with ERD modelling tools

Skilled in designing OLAP and Data Lake architectures

Understanding of OLTP and OLAP modelling techniques

Technical knowledge of SQL and NoSQL databases

Herramientas

Git

CI/CD frameworks

Terraform

SQL

Bash

Python

Descripción del empleo

Overview

Newly established position designed to optimise data ownership and accountability, as well as the management of data models. The role encompasses designing and maintaining data models for transactional and analytical data stores, administering operational databases, and supporting advanced analytical workloads across cloud platforms. Additionally, it involves global oversight as an account administrator for Databricks environments.

Key Responsibilities

• Develop new, or update existing, conceptual, logical, and physical data models as required to support core business applications and analytical tasks.
• Administer relational databases such as Oracle, PostgreSQL, SQL Server, or MySQL to maximise reliability, performance, and data resilience.
• Manage NoSQL databases and Databricks Delta Lake models for analytical workloads.
• Execute performance tuning activities at the database, pipeline, and data model levels, including indexing, partitioning, caching, and compute scaling.
• Oversee security and compliance standards, such as IAM roles, encryption policies, auditing, and implementation of least‑privilege access protocols.
• Assist with backup and disaster recovery planning to ensure business continuity within cloud environments.

Technologies & Tools

• DevOps: Git, CI/CD frameworks, Terraform
• Scripting: SQL, Bash, Python

Required Skills

• Advanced DBA expertise within cloud environments, demonstrating ownership of production databases.
• Experience managing Databricks accounts and collaborating internally to advance best practices.
• Proven ability to optimise existing OLTP entity–relationship (ER) data models and design new OLTP schemas.
• Proficiency with ERD modelling tools (e.g., ER/Studio, Lucidchart, draw.io, or similar).
• Skilled in designing and maintaining OLAP, NoSQL, and Data Warehouse/Data Lake architectures.
• Strong understanding of common OLTP and OLAP modelling techniques, including Star, Snowflake, and Dimensional models.
• Extensive technical knowledge of SQL and NoSQL databases, together with modern Data Warehouse platforms and Databricks environments.

Tipo de contrato: Interim Management
Especialización: IT & Telecomunicaciones
Área: Data & Analytics
Sector: Telecomunicaciones
Banda salarial: Negotiable
Tipo de trabajo: Híbrido
Nivel de experiencia: Mando intermedio
Ubicación: Barcelona
Referencia: OTC9Q7-A73D4BA4
Fecha de publicación: 11 de diciembre de 2025
Consultor/a: Ezequiel Moraglio