2 Linux dba & server administrator Jobs and Work

L2 Infrastructure Database Administrator (MongoDB)
24Seven365 —Kempton Park, Gauteng
- R35 000 - R60 000 a month
- Full-time
Quick Apply
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2d

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L2 Infrastructure Database Administrator (MongoDB)

24Seven365
Kempton Park, Gauteng

Quick Apply

Job Details

Full-time
R35 000 - R60 000 a month
2 days ago

Full Job Description

We are seeking an experienced L2 Infrastructure Database Administrator with strong MongoDB operational expertise to support and maintain mission-critical database platforms in a 24×7 production environment.

The role focuses on database reliability, performance, security, and availability, with responsibility for incident resolution, tuning, upgrades, and operational improvements.

Key Responsibilities

Monitor database activity, capacity, and resource utilization to ensure availability and performance of production systems.
Troubleshoot and resolve complex database incidents, including performance degradation, data access issues, and availability failures.
Perform query and system performance tuning, recommending and implementing optimizations to improve response times and stability.
Design, implement, and support high availability and disaster recovery solutions for MongoDB.
Plan and execute database upgrades, patching, and maintenance activities with minimal downtime.
Implement and enforce database security controls, access restrictions, and data protection policies.
Monitor security advisories and apply patches to address vulnerabilities.
Support backup and recovery strategies, including testing and validation of recovery scenarios.
Review and approve database-related design changes to ensure performance, scalability, reliability, and security.
Integrate databases with commercial off-the-shelf and open-source applications, resolving compatibility issues.
Participate in incident, problem, and change management processes using standard enterprise tools.
Maintain accurate documentation, runbooks, and recovery procedures.
Provide technical guidance to junior team members and contribute to operational best practices.

Required Qualifications

Bachelor’s degree in Computer Science, IT, Engineering, or equivalent practical experience.
5+ years of hands-on operational experience as a MongoDB DBA in production environments.
Strong experience with MongoDB administration, including:
High availability and replication
Backup and recovery
Performance tuning and query optimization
Solid understanding of database design and server infrastructure.
Experience working in Linux and Unix environments (Windows exposure advantageous).
General understanding of information security principles related to databases.
Experience working within ITIL / quality-driven operational environments.

Technical Skills

Core

MongoDB (administration, HA, performance tuning)
Backup, recovery, and disaster recovery planning
Database monitoring and capacity planning

Platforms & Environment

Linux / Unix (Windows Server exposure advantageous)
Enterprise change, incident, and problem management tools

Additional / Desirable

Scripting or programming skills for database automation
Experience supporting large-scale or mission-critical systems
Exposure to regulated or high-availability environments

Soft Skills

Strong analytical and troubleshooting skills
Excellent communication skills across technical and non-technical stakeholders
Strong planning, organization, and attention to detail
Ability to multitask and operate effectively in high-pressure production environments
Willingness to learn and adapt to new technologies

Desirable Industry Experience

Experience in the Airport / Airline industry (advantageous but not required)

Job Type: Full-time

Pay: R35 000,00 - R60 000,00 per month

Work Location: In person

Quick Apply

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L2 Infrastructure Database Administrator (MongoDB)

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