Database Administrator (DBA)

We are looking for a forward-thinkingSenior Database Engineer with a strong DevOps mindset to join our team. This role focuses on building, maintaining, and optimizing our database environments while combining traditional database administration with modern Infrastructure-as-Code practices.

The ideal candidate will have strong experience with PostgreSQL and MongoDB, knowledge of distributed database systems such as CockroachDB, and a passion forautomation, security, and high availability. Experience with tools likeTerraform, Ansible, and CI/CD pipelines will be important for this role.

Code.Hub is a leading Tech Recruitment, Learning & Development, Extended Team and Project Delivery partner in Greece. Since 2017, Code.Hub has been helping organizations build and scale high-performing technology teams, while supporting Software Engineers in developing their skills and growing their careers.

With expertise across modern technologies and digital transformation projects, Code.Hub collaborates with leading organizations in FinTech, Banking, Insurance, Gaming, Telecommunications and Consulting, providing services and solutions in technology, consulting, software delivery and operations.

Code.Hub has built one of the strongest tech ecosystems in Greece, managing large-scale technology projects and supporting companies through specialized recruitment and upskilling solutions. In 2026, Code.Hub was certified as a Great Place to Work®, while also receiving HR Awards distinctions for Talent Management, Recruitment Strategy, Mentoring and Learning & Development initiatives, highlighting the company’s strong investment in people growth, innovation and employee experience.

You will be joining a fast-growing GameTech project, among the largest and most innovative in the world, active in 19 international markets and counting. Our partner offers a wide range of digital entertainment services to millions of users and is known for continuously investing in cutting-edge technologies. The team is diverse, multinational, and driven by a strong vision for inclusive growth, with operations across three continents and a workforce of over 2,700 professionals.

Key Responsibilities

• Supporting, monitoring, troubleshooting, and administering PostgreSQL, MongoDB, and CockroachDB production environments.
• Designing and managing database infrastructure using Terraform and Ansible following Infrastructure-as-Code principles.
• Integrating database provisioning, schema migrations, and maintenance processes into automated CI/CD workflows.
• Managing high-availability and disaster recovery solutions, including replication, sharding, and distributed database architectures.
• Troubleshooting performance issues and optimizing queries, indexing strategies, and database scalability.
• Implementing automation for patching, upgrades, backups, and recovery processes.
• Ensuring strong data security practices, including access control, encryption, and compliance requirements.
• Developing scripts and automation solutions to reduce manual effort and improve operational efficiency.

Required Qualifications

• Strong hands-on experience managing PostgreSQL and MongoDB in production environments.
• Experience or strong understanding of CockroachDB and distributed SQL architectures.
• Solid DevOps background, including Terraform, Ansible, Git/GitLab, and CI/CD automation.
• Strong scripting skills (e.g., Bash, Python) for database and infrastructure automation.
• Deep knowledge of database performance tuning, scaling, and high-availability strategies.
• Strong understanding of Linux/Unix environments and containerized workloads.
• Excellent English communication skills, both written and verbal.

  Strong problem-solving skills, proactive mindset, and willingness to continuously learn and adopt new technologies.

• Experience with containerized database administration and orchestration platforms, especially Red Hat OpenShift (including operators), would be a strong advantage.

Nice-to-Have Skills

• Red Hat OpenShift & Database Operators.
• Containerized Database Administration & Orchestration.
• Database Security & Compliance.
• Distributed Database & High-Availability Architectures.

Let’s Talk About Us

• Hybrid working model.
• Signing Bonus.
• Brand new equipment.
• Exciting & friendly work environment.
• Career & competencies’ development.
• Continuous learning & development experience based on infinity model through Code.Hub’s Code.Learn.
• L&D plan for your career improvement.
• A truly open, inclusive, and competitive-free environment to grow your skills and have fun!
• Internal competitions & rewards.

Let’s Talk About Code.Hub-ers

• You are eligible to free LinkedIn trainings.
• You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction.
• Training & Tech Mentor for your induction.
• Unlimited access to LinkedIn Learning platform (1st semester).
• Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College.
• Private Health Insurance.
• Performance planning each six months and each two years planning of promotion.
• Cocktail Fridays @ our offices.
• Referral Bonus.