Senior Database Reliability Engineer (PostgreSQL, Terraform, AWS)

Capital.com; Warszawa; On-site; PLN 80,000 - 120,000; Full time

Benefits offered by this job

Competitive Salary

Work-Life Harmony

Generous Time Off

Comprehensive Health & Pension Benefits

Remote Work Flexibility

Volunteer Days

Job summary

Capital.com is seeking a skilled Database Administrator in Warsaw, Poland. This role focuses on managing PostgreSQL and MySQL databases, utilizing AWS cloud infrastructure. Responsibilities include performance monitoring, database security, and collaboration with development teams.

The ideal candidate will possess a Bachelor's degree in IT and expertise in IaC tools like Terraform and Ansible. Enjoy competitive salary and generous time-off benefits, along with remote work flexibility!

Qualifications

• Experience as a Database Administrator with focus on PostgreSQL and MySQL.
• Familiarity with CI/CD pipelines and routine automations.
• Strong communication skills and ability to manage multiple tasks.

Responsibilities

• Administer PostgreSQL and MySQL databases on AWS and on-premises.
• Implement and manage infrastructure using Terraform.
• Automate database deployments and configurations using Ansible.

Skills

PostgreSQL

MySQL

Terraform

Ansible

Linux

Scripting (Bash, Python)

Database Monitoring Tools (Prometheus, Grafana)

Education

Bachelor's degree in Computer Science, Information Technology or related field

Tools

Docker

Kubernetes

Job description

We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top‑rated products have won prestigious industry awards for their cutting‑edge technology and seamless client experience. We deliver only the best, so we are always in search of the best people to join our ever‑growing talented team.

We are seeking a highly skilled and proactive Database Administrator with a strong focus on AWS RDS PostgreSQL and MySQL, complemented by experience with infrastructure‑as‑code (IaC) using Terraform and configuration management with Ansible.

Responsibilities

• Database Administration (Primary Focus: PostgreSQL and MySQL)
• Provision, configure, and maintain PostgreSQL or MySQL database systems (AWS cloud and on‑premises)
• Perform database performance monitoring, alerting, and optimization
• Implement and manage database backups, restores, and recovery strategies
• Ensure database security through access controls, encryption, and regular audits
• Troubleshoot database issues and provide timely resolutions
• Plan and execute complicated database upgrades and migrations
• Infrastructure as Code (IaC) with Terraform
• Design, implement, and manage database infrastructure using Terraform
• Automate the provisioning and management of database servers, storage, and related resources
• Maintain Terraform configurations and ensure infrastructure consistency
• Configuration Management with Ansible
• Utilize Ansible playbooks to automate database deployments, configurations, and patching
• Ensure consistent database configurations across all environments
• Develop and maintain Ansible roles for database administration tasks
• Linux System Administration
• Manage and maintain the underlying Linux operating systems hosting the databases
• Perform system monitoring, security hardening, and performance tuning
• Troubleshoot Linux‑related issues affecting database performance and availability
• Auto Failover Implementation
• Design, implement, and test automated failover solutions for database systems to ensure business continuity
• Implement and manage load balancing solutions for database traffic to ensure high availability and performance
• Understand and manage DNS configurations related to database accessibility and failover mechanisms
• Work with network teams to ensure proper DNS resolution for database services
• Collaboration and Documentation
• Develop and maintain comprehensive documentation for database configurations, procedures, and disaster recovery plans for all managed database systems
• Participate in on‑call rotation for critical database issues across all database technologies
• Collaborate with development, operations, and data science teams on database‑related projects and initiatives

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field
• Excellent troubleshooting and problem‑solving abilities
• Ability to work independently and manage multiple tasks effectively
• Strong communication and collaboration skills
• Significant experience as a Database Administrator, with a strong focus on PostgreSQL and MySQL
• Familiarity with CI/CD pipelines and routine automations
• Proven experience with configuration management tools, preferably Ansible
• Strong scripting skills (e.g., Bash, Python)
• Hands‑on experience with Infrastructure as Code (IaC) using Terraform
• Experience with database monitoring tools (e.g., Prometheus, Grafana)
• Solid understanding of Linux operating systems
• Experience implementing and managing load balancing and auto‑failover solutions for database systems

Preferred Qualifications

• Experience with cloud‑based database services (e.g., AWS RDS, Google Cloud SQL)
• Knowledge of containerization technologies (e.g., Docker, Kubernetes) and their interaction with databases
• Knowledge of financial audit processes would be a plus
• Production ClickHouse or MongoDB experience

Benefits

• Competitive Salary: Your skills and talents will be rewarded with a salary that makes you feel valued and motivated
• Work‑Life Harmony: We care about your life outside of work as much as your time on the clock
• Generous Time Off: Our annual leave policy lets you recharge and enjoy life outside of work without worry
• Employee Referral Program: Share the love and get rewarded for growing our team
• Comprehensive Health & Pension Benefits: From medical insurance to pension plans, we’ve got your back. Plus, location‑specific benefits and perks!
• Remote Work Flexibility: Live your digital nomad dreams with 30 extra days to work remotely from anywhere in the world (some restrictions apply)
• Volunteer Days: Take two additional paid days each year to support causes you care about and give back to the community