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JustMarkets

Database Administrator

JustMarkets Reims, Grand Est, France

Financial Services · 501-1,000 employees

Oct 30
Remote dba Mid (2-5 yrs) Full-time France
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About the role

The Database Administrator will ensure the reliability, high availability, and optimal performance of production databases including PostgreSQL, MySQL, and Redis. Responsibilities also include automating database operations, managing disaster recovery, and supporting schema migrations.

What they look for

PostgreSQL MySQL MariaDB ClickHouse Redis Database Administration Disaster Recovery High Availability Infrastructure-as-code Linux Bash Python Performance Tuning Replication Backup and Recovery Monitoring and Alerting

Requirements

Candidates must have 4+ years of professional experience as a DBA or Database Reliability Engineer with deep expertise in PostgreSQL and MySQL. Strong Linux scripting skills and production experience with Redis and columnar databases like ClickHouse are required.

Benefits

20 paid vacation days per year 10 paid sick leave days per year Public holidays Medical budget Remote work opportunity Professional education budget Language learning budget Wellness budget

Full description

We are looking for a highly motivated and results-oriented Database Administrator to join our team on a full-time basis. You will be responsible for ensuring the reliability, high availability, and optimal performance of our production databases. In this role, you will help strengthen disaster recovery capabilities, automate operations, and support business-critical workloads.

Responsibilities

  • Operate and optimize production databases: PostgreSQL, MySQL/MariaDB, ClickHouse and Redis
  • Ensure high availability, replication, backup and recovery across all database engines
  • Run regular disaster recovery tests and meet backup and recovery compliance controls
  • Tune performance: queries, indexes, configuration, resource limits
  • Manage ClickHouse for analytics: replication, query limits, workload isolation
  • Operate Redis for caching and real-time workloads: persistence, replication, failover
  • Plan capacity and storage growth
  • Automate database operations with infrastructure-as-code
  • Review schema changes and migrations with engineering teams, and support moves to the cloud
  • Take part in on-call and incident response

Requirements

  • 4+ years of professional experience as a DBA or Database Reliability Engineer
  • Strong experience with Big Data
  • Deep expertise in PostgreSQL and MySQL/MariaDB: replication, backup tooling, performance tuning
  • Production experience with Redis: persistence, replication, Sentinel or Cluster
  • Production experience with ClickHouse or another columnar database
  • Experience designing high availability and disaster recovery for databases
  • Solid Linux skills and scripting (Bash, Python)
  • Experience with database monitoring and alerting

Will be a plus

  • Experience with Amazon RDS orAurora
  • Experience running databases on Kubernetes with operators
  • Experience with Ansible or Terraform
  • Experience with SOC 2 or similar compliance controls
  • Exposure to trading, fintech, or market-data platforms

We offer

  • 20 paid vacation days per year
  • 10 paid sick leave days per year
  • Public holidays as per the company's approved Public holiday list
  • Medical budget
  • Opportunity to work remotely
  • Professional education budget
  • Language learning budget
  • Wellness budget (gym membership, sports gear and related expenses)

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