Database Administration

Vascomm; Sidoarjo; On-site; IDR 100.000.000 - 200.000.000; Full time

Job summary

A technology company in Sidoarjo, Indonesia is seeking a Database Engineer responsible for managing MySQL database systems, focusing on security, performance tuning, and documentation. The ideal candidate has a Bachelor’s degree in Computer Science and 3–4 years of experience. Key responsibilities include installation and maintenance of databases, performance monitoring, and collaboration with various teams. This position requires strong problem-solving skills and experience with Linux command line.

Qualifications

• Bachelor’s degree (S1/D3) in Computer Science, Information Systems, or equivalent.
• 3–4 years of hands‑on experience managing MySQL databases in production environments.
• Strong knowledge of MySQL (InnoDB, indexing, transactions, locking).

Responsibilities

• Installation, configuration, and maintenance of MySQL/Percona/MariaDB databases.
• Database performance monitoring (CPU, memory, disk, IOPS, connections, query latency).
• Analysis and optimization of slow queries and database structures.

Skills

MySQL management

Performance tuning

Database security

Linux command line

Monitoring tools

Problem-solving

Education

Bachelor’s degree in Computer Science or equivalent

Tools

Prometheus

Grafana

Zabbix

Job description

Company Overview

Vascomm is a technology company committed to delivering BRIGHT solutions for business. We have established strategic partnerships with leading telecommunication companies and banks to design and develop branchless banking platforms, server-based e-money systems, and internal enterprise information systems. Our solutions empower various business sectors to scale and expand their market reach across cities throughout Indonesia.

Role Overview

The development of reliable applications and systems must be supported by a robust and secure infrastructure, with database infrastructure being a critical component. As a Database Engineer, you will be responsible for managing database systems from an infrastructure and security perspective. This role involves supporting the installation, configuration, optimization, and deployment of database servers to ensure system reliability, performance, and data integrity.

Responsibilities

• Installation, configuration, and maintenance of MySQL/Percona/MariaDB databases.
• Database performance monitoring (CPU, memory, disk, IOPS, connections, query latency).
• Analysis and optimization of slow queries, indexing, SPs, and database structures.
• Database backup and restore management (logical and physical) and periodic recovery testing.
• Implementation and maintenance of replication/high availability (Master‑Slave, Galera/PXC).
• Layer 2/Layer 3 database incident handling (performance drops, replication lag, corruption).
• Database security implementation: user and privilege management, audit logs, secure access.
• Support for Disaster Recovery Plan (DRP) and information security audit requirements.
• Documentation of SOPs, runbooks, and regular database health reports.
• Collaboration with Developers, SysOps, DevOps, and IT Security regarding application requirements.

Requirements

• Bachelor’s degree (S1/D3) in Computer Science, Information Systems, or equivalent.
• 3–4 years of hands‑on experience managing MySQL databases in production environments.
• Strong knowledge of MySQL (InnoDB, indexing, transactions, locking).
• Experience with database backup, restore, performance tuning, and troubleshooting.
• Proficient in Linux command line (Red Hat–based).
• Experience with monitoring tools (Prometheus, Grafana, Zabbix, or equivalent).
• Basic understanding of networking and system security.
• Familiar with automation (Shell Script/Ansible) and cloud databases (AWS RDS or Cloud SQL) is a plus.
• Strong problem‑solving skills, attention to detail, ownership mindset, and effective cross‑team communication.