Mid / Senior Database Administrator for PostgreSQL
InTTrust
Posted: December 11, 2025
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Quick Summary
We are looking for a skilled Mid/Senior Database Administrator for PostgreSQL in Athens, Greece.
Required Skills
Job Description
InTTrust is a reliable provider of Technology and Digital Solutions, delivering value to our clients through a range of services including IT Consulting and Implementation, Database Operations, Administration and Optimization, IT Managed Services, and Cloud Governance & Security. We specialize in Digital Transformation Solutions, Custom Application Development and Modernization, as well as IoT and ML/AI solutions. Additionally, we offer design and implementation of Private, Public, and Hybrid Cloud solutions, alongside Multi-Cloud Integration.
We are looking to hire a skilled Mid/Senior Database Administrator for PostgreSQL to join our Professional Services team and contribute to our success story.
What you'll do:
• Work collaboratively with different teams to administer the build out and support of databases through multiple product lifecycle environments, from development to mission-critical production systems.
• Escalate to certain suppliers on customer’s behalf to try to resolve issues outside of our control, such as bug fix requests.
• Communicate with the customer through formal correspondence.
• Ensure compliance with all technical specifications.
• Database health monitoring, dump, back up and restore.
• Organize and provide daily operations and checks.
• Administrative tasks, such as, promotions on all instances, code changes, recompiles, data changes, cloning, relocate, rename Instances, performance Issues, query optimization, installation of new Instances, changes on the configuration, patching and updates, troubleshooting.
• Participate in 24x7 on-call rotation in support of production issues.
Specifically:
• Design, develop, and maintain PostgreSQL databases.
• Optimize complex SQL queries.
• Performance tuning, indexing, and partitioning.
• Manage backups, replication, and high availability scenarios.
• Support production database systems.
Requirements:
• Bachelor’s degree in IT or related field.
• 3+ years of experience with PostgreSQL.
• Strong Knowledge of ANSI SQL.
• Experience with Linux servers.
Nice to Have:
• Knowledge of scripting Language (bash, Python, etc..).
• Experience with Cloud platforms (Azure, or AWS).
• Experience with Docker and Kubernetes.
Benefits:
• Competitive salary & benefits scheme based on experience.
• Subsidized meals / Meal vouchers.
• Private Health Insurance program.
• Continuous training & development.
• Certifications on leading vendors technologies.
• Corporate laptop and equipment.
• Corporate mobile phone plan.
Candidates should have:
• Eligibility to work within the EU.
• Fluency in Greek.
• Willingness to work on-site or remote depending on the project/customer.
InTTrust S.A. is proud to be an equal opportunities workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of age, race, color, national origin, gender, sexual orientation, religion, disability or genetic information, or any other protected classification. We are committed to ensuring that our applicants and employees are respected, treated fairly and with dignity.