Senior Database Administrator

About the Role

We are looking for a Senior Database Administrator (DBA) with deep, hands-on expertise in PostgreSQL and Oracle database platforms, combined with strong skills in Ansible-based automation. This is a senior-level role: you will own the performance, integrity, security, and availability of critical database systems, lead complex migrations and high-availability initiatives, mentor junior DBAs, and drive automation strategy to streamline provisioning, patching, monitoring, and operational tasks across the database infrastructure.

Key Responsibilities

Install, configure, upgrade, and maintain PostgreSQL and Oracle database environments (on-premises and/or cloud)

Monitor database performance, troubleshoot issues, and implement tuning strategies (query optimization, indexing, partitioning)

Design and implement backup, recovery, and disaster recovery strategies (RMAN for Oracle; pg_basebackup/pgBackRest/Barman for PostgreSQL)

Manage replication (Oracle Data Guard/GoldenGate; PostgreSQL streaming/logical replication)

Develop and maintain Ansible playbooks/roles to automate database provisioning, configuration management, patching, and routine maintenance tasks

Implement database security best practices: user/role management, encryption, auditing, and compliance with organizational policies

Collaborate with development, infrastructure, and DevOps teams to support application deployments and CI/CD pipelines

Plan and execute database migrations, upgrades, and patching with minimal downtime

Create and maintain technical documentation, runbooks, and standard operating procedures

Participate in on-call rotation and respond to incidents/outages as needed

Proactively identify opportunities for automation to reduce manual, repetitive operational work

Mentor and provide technical guidance to junior and mid-level DBAs

Own database architecture decisions and lead capacity planning for critical systems

Act as the technical escalation point for complex, high-severity database incidents

Required Skills & Experience

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience)

Strong analytical and problem-solving skills

5–8+ years of hands-on experience as a Database Administrator, including senior or lead responsibilities

Strong working knowledge of PostgreSQL (11+): installation, replication, backup/recovery tools (pgBackRest, Barman, WAL-G), performance tuning

Practical experience writing and maintaining Ansible playbooks, roles, and inventories for database automation

Solid understanding of Linux/Unix systems administration (shell scripting, cron, systemd)

Experience with SQL and PL/SQL / PL/pgSQL scripting

Familiarity with monitoring tools (e.g., Zabbix, Prometheus/Grafana, OEM, pgAdmin)

Understanding of networking fundamentals as they relate to database connectivity and security

Experience with version control (Git) for managing Ansible code and scripts

Good understanding of database security, encryption, and access control principles

Experience with pgpool-II or Patroni for high availability

Excellent communication skills and ability to work cross-functionally

Ability to work independently and manage multiple priorities in a fast-paced environmen

Nice-to-Have

Experience with cloud database services (AWS RDS/Aurora, OCI, Azure Database)

Exposure to containerization (Docker/Kubernetes) for database workloads

Experience with CI/CD tools (Jenkins, GitLab CI, GitHub Actions)

Knowledge of other automation/config management tools (Terraform, Puppet, Chef)

Oracle or PostgreSQL certifications (OCP, EDB certifications, etc.)

Experience with GoldenGate for high availability

Scripting in Python for automation and tooling

SAP HANA database administration skills (installation, backup/recovery, performance tuning)

Experience with MongoDB (installation, replication, backup/recovery)

Experience with Elasticsearch (cluster management, indexing, performance tuning)

Experience with Microsoft SQL Server administration

Interested candidates can send their CV to the e-mail address in the Apply for job button.