Database Administrator – Database Platforms

JobsCloseBy Editorial Insights

QRT is seeking a Database Administrator for the Database Platforms team in Paris to own reliability, high availability, and performance across PostgreSQL and MySQL, focusing on on‑prem infra, automation and Kubernetes. The role designs HA architectures, manages backups, drives performance tuning and capacity planning, and champions IaC while collaborating with engineering, data and research teams. Ideal candidates have 5+ years in production DBA roles, Linux and storage networking fundamentals, experience with Terraform, Ansible, Helm and scripting in Bash or Python, plus solid security practices. To apply, tailor your resume to emphasize HA, replication, automation, metrics, and cross functional impact, and note willingness to work onsite in Paris.

Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology and trading expertise has shaped QRT’s collaborative mindset which enables us to solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high quality returns for our investors.

We operate one of the most demanding data infrastructures in finance, with distributed systems spanning multiple database backends, streaming platforms, thousands of tables, and near-100% availability requirements. Our environment is primarily on-prem, with a strong focus on standardization, automation, and Kubernetes-based orchestration where it adds real value.

We are looking for an experienced Database Administrator to join our Database Platforms team and play a key role in ensuring the reliability, scalability, and performance of our production systems.

Your future role within QRT:

This role is central to the stability and evolution of QRT’s data platforms. Your responsibilities will include:

• Own the reliability, availability, and performance of production database systems
• Design and operate high-availability architectures (replication, backups, disaster recovery, failover)
• Lead performance tuning, capacity planning, and database lifecycle management
• Diagnose and resolve complex issues across the stack (query → database → OS → storage/network)
• Drive automation of provisioning, patching, migrations, and maintenance workflows
• Contribute to Infrastructure-as-Code and Kubernetes adoption for stateful workloads
• Partner with engineering, data, and research teams to improve platform usability and resilience

Your present skillset:

• 5+ years of hands-on experience as a Database Administrator in production environments (PostgreSQL, MySQL, or similar; familiarity with NoSQL systems is a plus)
• Strong experience with high-availability setups, replication (logical/physical), failover mechanisms, and disaster recovery strategies (PITR, backup automation, restore validation)
• Proven expertise in performance tuning and query optimization (execution plan analysis, indexing strategies, workload optimization, capacity planning)
• Deep understanding of Linux and infrastructure fundamentals (compute, storage I/O, networking, filesystem and kernel tuning)
• Experience with automation and Infrastructure-as-Code tools (Terraform, Ansible, Helm, or similar) and scripting (Bash/Python)
• Strong troubleshooting skills in distributed systems and complex production environments
• Solid knowledge of database security (access control, encryption in transit/at rest, secrets management, auditing)
• Ownership mindset and ability to operate effectively in a high-performance environment

Nice to have:

• Experience in high-throughput or low-latency environments
• Exposure to Kubernetes for stateful services
• Observability experience (metrics, logs, SLOs)
• Programming ability (Python, Go, Rust, or similar)

QRT is an equal opportunity employer. We welcome diversity as essential to our success. QRT empowers employees to work openly and respectfully to achieve collective success. In addition to professional achievement, we are offering initiatives and programs to enable employees achieve a healthy work-life balance.