HCLTech – Hungary

Administrator (Support & Operations)

HCLTech – Hungary  •  Onsite  •  3 hours ago
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Job Description

Job Summary

L2 MariaDB Admin Responsibilities\\r\\n1. Installation & Configuration: Deploying MariaDB on various Linux distributions and optimizing the my.cnf configuration for specific workloads.\\r\\n2. Cluster Management: Configuring and managing high-availability clusters, specifically MariaDB Galera Cluster and MaxScale for load balancing.\\r\\n3. Performance Tuning: Identifying slow queries using the Slow Query Log and analyzing engine-level metrics (InnoDB buffer pool, thread cache) to improve throughput.\\r\\n4. Backup & Recovery: Implementing robust backup strategies using MariaDB Backup (Mariabackup) or mysqldump and performing regular restoration drills.\\r\\n5. Security Hardening: Applying security patches, managing User Privileges/RBAC, and implementing Data-at-Rest and Data-in-Transit encryption.\\r\\n6. Replication Setup: Configuring and troubleshooting various replication topologies, including Master-Slave (Asynchronous) and Multi-Source replication.\\r\\n7. System Monitoring: Setting up and responding to alerts from monitoring tools like Prometheus/Grafana, Zabbix, or MariaDB SkySQL monitoring.\\r\\n8. Storage Engine Management: Managing different storage engines (primarily InnoDB and Aria) and performing table maintenance like defragmentation (OPTIMIZE TABLE).\\r\\n9. Automation: Writing Bash or Python scripts to automate routine tasks such as log rotation, health checks, and user auditing.\\r\\n10. Troubleshooting & RCA: Performing Root Cause Analysis (RCA) for database crashes, connection spikes, and deadlocks to prevent recurrence.

Key Responsibilities

L2 MariaDB Admin Responsibilities 1. Installation & Configuration: Deploying MariaDB on various Linux distributions and optimizing the my.cnf configuration for specific workloads. 2. Cluster Management: Configuring and managing high-availability clusters, specifically MariaDB Galera Cluster and MaxScale for load balancing. 3. Performance Tuning: Identifying slow queries using the Slow Query Log and analyzing engine-level metrics (InnoDB buffer pool, thread cache) to improve throughput. 4. Backup & Recovery: Implementing robust backup strategies using MariaDB Backup (Mariabackup) or mysqldump and performing regular restoration drills. 5. Security Hardening: Applying security patches, managing User Privileges/RBAC, and implementing Data-at-Rest and Data-in-Transit encryption. 6. Replication Setup: Configuring and troubleshooting various replication topologies, including Master-Slave (Asynchronous) and Multi-Source replication. 7. System Monitoring: Setting up and responding to alerts from monitoring tools like Prometheus/Grafana, Zabbix, or MariaDB SkySQL monitoring. 8. Storage Engine Management: Managing different storage engines (primarily InnoDB and Aria) and performing table maintenance like defragmentation (OPTIMIZE TABLE). 9. Automation: Writing Bash or Python scripts to automate routine tasks such as log rotation, health checks, and user auditing. 10. Troubleshooting & RCA: Performing Root Cause Analysis (RCA) for database crashes, connection spikes, and deadlocks to prevent recurrence.

Skill Requirements

L2 MariaDB Admin Responsibilities 1. Installation & Configuration: Deploying MariaDB on various Linux distributions and optimizing the my.cnf configuration for specific workloads. 2. Cluster Management: Configuring and managing high-availability clusters, specifically MariaDB Galera Cluster and MaxScale for load balancing. 3. Performance Tuning: Identifying slow queries using the Slow Query Log and analyzing engine-level metrics (InnoDB buffer pool, thread cache) to improve throughput. 4. Backup & Recovery: Implementing robust backup strategies using MariaDB Backup (Mariabackup) or mysqldump and performing regular restoration drills. 5. Security Hardening: Applying security patches, managing User Privileges/RBAC, and implementing Data-at-Rest and Data-in-Transit encryption. 6. Replication Setup: Configuring and troubleshooting various replication topologies, including Master-Slave (Asynchronous) and Multi-Source replication. 7. System Monitoring: Setting up and responding to alerts from monitoring tools like Prometheus/Grafana, Zabbix, or MariaDB SkySQL monitoring. 8. Storage Engine Management: Managing different storage engines (primarily InnoDB and Aria) and performing table maintenance like defragmentation (OPTIMIZE TABLE). 9. Automation: Writing Bash or Python scripts to automate routine tasks such as log rotation, health checks, and user auditing. 10. Troubleshooting & RCA: Performing Root Cause Analysis (RCA) for database crashes, connection spikes, and deadlocks to prevent recurrence.

Other Requirements

L2 MariaDB Admin Responsibilities 1. Installation & Configuration: Deploying MariaDB on various Linux distributions and optimizing the my.cnf configuration for specific workloads. 2. Cluster Management: Configuring and managing high-availability clusters, specifically MariaDB Galera Cluster and MaxScale for load balancing. 3. Performance Tuning: Identifying slow queries using the Slow Query Log and analyzing engine-level metrics (InnoDB buffer pool, thread cache) to improve throughput. 4. Backup & Recovery: Implementing robust backup strategies using MariaDB Backup (Mariabackup) or mysqldump and performing regular restoration drills. 5. Security Hardening: Applying security patches, managing User Privileges/RBAC, and implementing Data-at-Rest and Data-in-Transit encryption. 6. Replication Setup: Configuring and troubleshooting various replication topologies, including Master-Slave (Asynchronous) and Multi-Source replication. 7. System Monitoring: Setting up and responding to alerts from monitoring tools like Prometheus/Grafana, Zabbix, or MariaDB SkySQL monitoring. 8. Storage Engine Management: Managing different storage engines (primarily InnoDB and Aria) and performing table maintenance like defragmentation (OPTIMIZE TABLE). 9. Automation: Writing Bash or Python scripts to automate routine tasks such as log rotation, health checks, and user auditing. 10. Troubleshooting & RCA: Performing Root Cause Analysis (RCA) for database crashes, connection spikes, and deadlocks to prevent recurrence.

HCLTech – Hungary

About HCLTech – Hungary

HCLTech is a global technology company, home to more than 226,600 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending September 2025 totaled $14.2 billion. To learn how we can supercharge progress for you, visit hcltech.com.

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Budapest, HU
Year Founded
2006
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