Database Administrator Team Lead

Athens - Greece

Monthly Salary: Not Disclosed

Posted on: 14 hours ago

Vacancies: 1 Vacancy

Job Summary

Lets start with the role

We are looking for an experienced MongoDB Database Administrator Team Lead with a deep understanding of MongoDB Atlas and Ops Manager / Percona operator and other distributed databases to lead and support our distributed DB engines.
This role combines hands-on technical expertise with team leadership and delivery ownership focusing on optimizing securing and scaling distributed database environments for high availability performance and resilience.

The ideal candidate will actively contribute to technical work while also leading the distributed databases group of the DBA team managing priorities and backlog and ensuring operational excellence across environments.
Experience with RDBMS systems (MS SQL Server PostgreSQL) will be considered a strong plus.

As a Database Administrator Team Lead you will:

Technical & Operational Responsibilities

Manage and maintain multiple MongoDB database environments using MongoDB Atlas / Ops Manager / Percona operator and other distributed engines like cockroachDB ensuring high availability and performance.
Design and implement redundancy failover and disaster recovery strategies.
Configure maintain and optimize replica sets and sharded clusters.
Monitor database performance and proactively identify tuning and optimization opportunities.
Define and implement backup and recovery strategies aligned with data retention and business requirements.
Optimize queries indexing strategies and data models for performance and scalability.
Enforce security best practices including access control encryption and compliance with regulatory standards.
Diagnose and resolve production incidents participate in on-call rotations and support 24x7 operations when required.
Conduct root cause analysis (RCA) and implement corrective and preventive actions.
Develop and maintain documentation for best practices operational procedures migrations and failover strategies.
Use automation tools to streamline and standardize database operations.

Team Leadership & Delivery Responsibilities

Lead a group of DBAs focusing on distributed databases providing technical guidance coaching and support.
Own and manage the team backlog prioritizing operational work improvements and strategic initiatives.
Coordinate workload distribution and ensure balanced on-call and operational responsibilities.
Act as the primary point of contact for MongoDB / distributed databases related topics across engineering SRE and platform teams.
Drive continuous improvement in monitoring automation reliability and operational maturity.
Support team growth through knowledge sharing documentation and skill development.
Promote a culture of collaboration accountability and operational excellence.

What you will bring:

5 years of experience working with large-scale distributed database systems with strong focus on performance tuning and operations.
Proven hands-on experience with MongoDB Atlas and Ops Manager / Percona operator.
Strong experience with MongoDB high availability strategies including replica sets and sharding.
Solid operational understanding of NoSQL data modeling.
Deep knowledge of database performance scalability concepts and tuning best practices.
Experience with backup recovery and disaster recovery design.
Ability to write and maintain Unix/Linux shell scripts is a strong advantage.
Experience with RDBMS platforms (MS SQL Server PostgreSQL) is considered a plus.
Bachelors degree in Engineering or equivalent practical experience.
Highly self-motivated able to work independently and as part of a team in a fast-paced high-demand environment.
Strong written and verbal communication skills.
Comfortable collaborating across teams and organizational boundaries.

Infrastructure & Platform Exposure

As some of our MongoDB and CockroachDB platforms already run on Kubernetes (OpenShift) the role requires:

Working-level familiarity with Linux environments.
Basic hands-on exposure to Kubernetes/OpenShift concepts.
Understanding of Infrastructure-as-Code tools such as Ansible and Terraform.
Ability to understand deployments troubleshoot issues and collaborate effectively with SRE / Platform teams.
Experience operating databases in containerized environments.

Required Experience:

Unclear Seniority

Lets start with the roleWe are looking for an experienced MongoDB Database Administrator Team Lead with a deep understanding of MongoDB Atlas and Ops Manager / Percona operator and other distributed databases to lead and support our distributed DB engines.This role combines hands-on technical expert...

Lets start with the role

As a Database Administrator Team Lead you will:

Technical & Operational Responsibilities

Manage and maintain multiple MongoDB database environments using MongoDB Atlas / Ops Manager / Percona operator and other distributed engines like cockroachDB ensuring high availability and performance.
Design and implement redundancy failover and disaster recovery strategies.
Configure maintain and optimize replica sets and sharded clusters.
Monitor database performance and proactively identify tuning and optimization opportunities.
Define and implement backup and recovery strategies aligned with data retention and business requirements.
Optimize queries indexing strategies and data models for performance and scalability.
Enforce security best practices including access control encryption and compliance with regulatory standards.
Diagnose and resolve production incidents participate in on-call rotations and support 24x7 operations when required.
Conduct root cause analysis (RCA) and implement corrective and preventive actions.
Develop and maintain documentation for best practices operational procedures migrations and failover strategies.
Use automation tools to streamline and standardize database operations.

Team Leadership & Delivery Responsibilities

Lead a group of DBAs focusing on distributed databases providing technical guidance coaching and support.
Own and manage the team backlog prioritizing operational work improvements and strategic initiatives.
Coordinate workload distribution and ensure balanced on-call and operational responsibilities.
Act as the primary point of contact for MongoDB / distributed databases related topics across engineering SRE and platform teams.
Drive continuous improvement in monitoring automation reliability and operational maturity.
Support team growth through knowledge sharing documentation and skill development.
Promote a culture of collaboration accountability and operational excellence.

What you will bring:

5 years of experience working with large-scale distributed database systems with strong focus on performance tuning and operations.
Proven hands-on experience with MongoDB Atlas and Ops Manager / Percona operator.
Strong experience with MongoDB high availability strategies including replica sets and sharding.
Solid operational understanding of NoSQL data modeling.
Deep knowledge of database performance scalability concepts and tuning best practices.
Experience with backup recovery and disaster recovery design.
Ability to write and maintain Unix/Linux shell scripts is a strong advantage.
Experience with RDBMS platforms (MS SQL Server PostgreSQL) is considered a plus.
Bachelors degree in Engineering or equivalent practical experience.
Highly self-motivated able to work independently and as part of a team in a fast-paced high-demand environment.
Strong written and verbal communication skills.
Comfortable collaborating across teams and organizational boundaries.

Infrastructure & Platform Exposure

As some of our MongoDB and CockroachDB platforms already run on Kubernetes (OpenShift) the role requires:

Working-level familiarity with Linux environments.
Basic hands-on exposure to Kubernetes/OpenShift concepts.
Understanding of Infrastructure-as-Code tools such as Ansible and Terraform.
Ability to understand deployments troubleshoot issues and collaborate effectively with SRE / Platform teams.
Experience operating databases in containerized environments.

Required Experience:

Unclear Seniority

Key Skills

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ABB
Marine Biology
Filing
Automobile
AV

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