PostgreSQL Database Administrator / Engineer

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PostgreSQL Database Administrator / Engineer - 3 months - Belgium

Freelance Position | Partial Remote | Elite Tech Talent Only

Intro

RELYzIT Talent is seeking a PostgreSQL Database Administrator / Engineer for a high-impact freelance assignment with our client, a key player in the digital transformation of public safety and security. This is your opportunity to architect, secure, and optimize mission-critical database systems that underpin the future of biometric identification and integrated policing. Join a multidisciplinary team where your expertise will directly shape the reliability, scalability, and security of national infrastructure.

Why This Role Matters

This role is pivotal in ensuring the seamless integration, performance, and security of complex database environments supporting the Automated Biometric Identification System (ABIS). Your work will empower our client to deliver robust, scalable, and secure information systems, directly impacting the effectiveness of public safety operations. The stakes are high: your contributions will help safeguard sensitive data, enable real-time decision-making, and drive the digital evolution of critical national services.

What You’ll Be Doing

• Designing, managing, and optimizing PostgreSQL databases to ensure high availability, security, and performance.


• Developing and maintaining robust backup, restore, monitoring, and performance tuning processes.


• Architecting database structures and implementing data synchronization mechanisms for seamless integration across systems.


• Supporting backend application development in Python, ensuring efficient and secure database connectivity.


• Integrating Python backend programs with PostgreSQL databases for advanced data processing and analysis.


• Implementing and managing CI/CD pipelines using GitLab to streamline deployment and code management.


• Contributing to the development of technical standards, guidelines, and procedures for evolving system architectures.


• Providing specialized third-line support for database and infrastructure issues within a multidisciplinary team.


• Optionally utilizing Elastic Stack for advanced monitoring and logging solutions.


• Supporting the implementation and integration of other database management systems as required.

What We’re Looking For

• Proven ownership mindset: you take initiative, drive outcomes, and thrive in high-stakes environments.


• Methodical, precise, and stress-resistant approach to complex technical challenges.


• Creative, constructive, and customer-oriented problem solver with a passion for building secure, scalable systems.


• Strong team spirit and adaptability, with the ability to document and communicate your work clearly.


• Autonomous and proactive, with a commitment to continuous improvement and innovation.

Technical Skills

• Confirmed expertise in PostgreSQL database management, including backup, restore, monitoring, and performance tuning.


• Confirmed experience in Python backend development and integration with databases.


• Confirmed mastery of Linux environments for database and application hosting.


• Confirmed experience with CI/CD pipelines and GitLab for code management and deployment.


• Confirmed knowledge of REST Webservices for system integration.


• Confirmed experience in data integration and synchronization across complex systems.


• Junior-level familiarity with Elastic Stack for monitoring and logging.


• Junior-level experience with Ansible, Docker, Kubernetes, and Openshift for infrastructure automation and containerization.


• Junior-level exposure to NoSQL databases, including key-value, document, and vector databases.

Language Proficiency

• Professional proficiency in French or Dutch (passive knowledge of the second language required; bilingual preferred).


• Working proficiency in English for technical documentation and team collaboration.

Other Requirements

• Master’s or Bachelor’s degree in Computer Science or equivalent professional experience.


• Ability to work on-site in Belgium at least two days per week, with remote work flexibility as agreed with the team.


• Availability for a full-time engagement (40 hours/week) until 31/12/2026, with potential for renewal.


• Experience working in multidisciplinary teams, collaborating with both internal and external stakeholders.


• Strong documentation skills and ability to communicate technical concepts clearly.