Database Reliability Engineer
Sword Services · Genève, Genève, Suisse ·
We are opening a Database Reliability Engineer position to strengthen a team responsible for the reliability and operational management of application environments. The successful candidate will act as the main technical point of contact for database-related matters, working closely with hybrid cloud infrastructure, automation, development and architecture teams. The role focuses on ensuring database availability, security, performance and continuous improvement.
Job Responsibilities
Act as the primary technical reference for databases across the application landscape, coordinating activities with infrastructure and automation teams.
Maintain and optimize the stability, performance and operational reliability of database technologies, including PostgreSQL, MariaDB, SQL Server, MongoDB, CouchDB, Redis and Kafka.
Investigate database-related incidents, identify root causes and implement corrective and preventive measures.
Collaborate with developers, solution architects and technical teams to improve query execution, indexing strategies, data access patterns and database resilience.
Manage database lifecycle activities, including patching, upgrades, migrations, backup and recovery validation, capacity planning and decommissioning.
Automate recurring operational tasks, such as health checks, configuration validation, backup verification, monitoring controls and operational reporting.
Enhance database observability through monitoring solutions, alerting mechanisms and dashboards, while contributing to security hardening, vulnerability remediation, access reviews and compliance requirements.
Maintain technical documentation, operational procedures and best practices, while supporting data protection measures such as encryption, pseudonymization, anonymization, retention management and controlled deletion.
At least three years of experience in a technical leadership or team leadership role.
A minimum of two years of experience operating PostgreSQL, MariaDB or SQL Server databases, ideally in large-scale production environments.
At least one year of experience in infrastructure automation and operational process improvement.
A minimum of one year of professional software engineering experience using an object-oriented programming language.
Strong understanding of database administration, maintenance, monitoring and performance optimization.
Proven ability to troubleshoot complex technical issues, analyze database performance and implement sustainable improvements.
Knowledge of database security, access management, backup and recovery processes, and regulatory compliance requirements.
Strong analytical and problem-solving skills, with the ability to work autonomously and collaborate effectively with multidisciplinary teams.