Database Administrator

Metrofibre; Gauteng; On-site; ZAR 200 000 - 300 000; Full time

Job summary

A leading technology service provider in South Africa is looking for a skilled Database Administrator to manage and maintain the organization's IT infrastructure and data systems. Key responsibilities include database management, systems administration, and ensuring security compliance. Candidates should have a diploma/degree in IT, along with relevant certifications such as CompTIA and Microsoft. This role offers an exciting opportunity to work with cloud technologies and support business continuity.

Qualifications

• Experience with database installations and configurations.
• Proficiency in Windows and Linux server maintenance.
• Knowledge of cloud tools and collaboration platforms.

Responsibilities

• Manage daily database operations and support.
• Handle server installations, configurations, and maintenance.
• Ensure compliance with security policies and regulations.
• Monitor and support backup and disaster recovery processes.

Skills

Database management

Systems administration

Security compliance

Cloud support

Networking skills

Education

Matric / Grade 12

Diploma / Degree in IT

Certificate in CompTIA, Microsoft, Cisco, Linux+

Certification in SQL Server

Tools

MSSQL

MySQL

PostgreSQL

VMware

Docker

Zabbix

Job description

Role Summary

The Database Administrator is responsible for the day-to-day maintenance, and administration of the organization's IT infrastructure and data systems. This includes managing databases, maintaining servers and cloud environments and securing systems.

Responsibilities

Database Administration

• Install, configure, and maintain database systems (e.g., MSSQL, MySQL, PostgreSQL) to ensure optimal availability, performance, and security.
• Analyze and optimize slow-running queries, implement efficient indexing strategies, and monitor storage usage.
• Automate routine DBA tasks through scripts or tools to support monitoring, deployment, and reporting.
• Apply necessary patches and upgrades across database environments.
• Conduct regular data audits and integrity checks to ensure consistency, accuracy, and reliability of stored data.
• Maintain up-to-date documentation of database configurations, schemas, and procedures.
• Participate in capacity planning, forecasting, and contribute to disaster recovery and business continuity planning.
• Provide technical support for database-related issues, working closely with developers, system administrators, and stakeholders to resolve problems efficiently.
• Implement and test backup and recovery strategies, including regular validation of recovery procedures to ensure data integrity.
• Configure user access, roles, and permissions to enforce security.
• Ensure high availability and perform regular health checks on critical databases.

Systems Administration

• Install, configure, and maintain Windows and Linux servers, both physical and virtual.
• Support core services such as Active Directory, Group Policy, DNS, print services, file shares, IIS, and FreeRADIUS.
• Manage and monitor virtualized environments (e.g., VMware, Hyper-V).
• Maintain and troubleshoot web services using Apache, NGINX, and Docker containers.
• Apply updates, patches, and security fixes across systems.
• Monitor performance and availability of systems using tools like Zabbix or similar.

Security & Compliance

• Support antivirus and endpoint security platforms (e.g., Defender for Endpoint).
• Assist with firewall rule changes and device hardening.
• Enforce IT policies regarding access controls, password hygiene, and patch management.
• Participate in security audits and remediate identified vulnerabilities.

Backup & Disaster Recovery

• Monitor and test server and database backups.
• Support the implementation of a 3-2-1 backup strategy.
• Assist with restoring files or systems in the event of data loss or corruption.

Cloud & Collaboration Tools

• Support Microsoft and Google Workspace user environments.
• Manage user access, licenses, and basic security configurations.
• Assist with mailbox configuration, calendar sharing, Teams, OneDrive, Teams, and Google Drive support.

Networking & Connectivity

• Basic troubleshooting of LAN / WAN connectivity issues.
• Patch and maintain network devices under guidance from network administrators.
• Assist in monitoring internet availability and site-to-site VPNs.

Documentation & Asset Management

• Maintain accurate records of hardware, software, and configurations.
• Keep documentation updated for all routine processes and systems.
• Track assigned IT assets and participate in regular audits.

Qualifications

• Matric / Grade 12
• Diploma / Degree in IT
• Certificate in CompTIA, Microsoft, Cisco, Linux+
• Certification in SQL Server (Advantageous)