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Junior Database Administrator

2 weeks ago

Johannesburg, Gauteng, South Africa Vela Personnel Full time R250 000 - R500 000 per year
Introduction

Purpose:

A data consultancy firm is seeking a Junior Database Administrator who will be responsible to help keep their PostgreSQL environments healthy, secure and performant, while learning how to resolve data submission issues that directly impact the customer experience

Duties & Responsibilities

Key Job Outputs:

Database maintenance and operations

  • Assist with monitoring database performance and health
  • Support routine backups and recovery testing
  • Help implement and maintain security controls around sensitive data

Data quality and submission support

  • Investigate and help resolve data submission errors that affect training programs
  • Collaborate with developers to improve error-handling and data validation
  • Run data integrity checks and basic validation routines

Performance tuning (with mentorship)

  • Help analyse slow running queries
  • Assist in optimising queries and indexes under supervision
  • Participate in reviewing database design and schema changes

Collaboration and user support

  • Work with training coordinators, developers and other stakeholders to understand data requirements
  • Support users with correct data submission workflows and basic troubleshooting

Documentation and reporting

  • Contribute to documentation of database configurations, runbooks and troubleshooting steps
  • Assist in preparing reports on performance metrics, common errors and data corrections

Core Competencies:

  • Curious and eager to learn, especially about PostgreSQL and data systems
  • Has a problem-solving mindset and enjoys digging into the root cause of data or system issues
  • Meticulous, with a strong focus on accuracy and data quality
  • Takes ownership of tasks, follows through, and is comfortable asking questions when unsure
  • Communicates clearly and is comfortable collaborating with both technical and non-technical teams
  • Cares about the end-user experience, understanding that better data and fewer errors improve customer training outcomes
  • Strong analytical and critical thinking skills
  • Clear written and verbal communication skills
  • High attention to detail and an interest in data accuracy and quality
Desired Experience & Qualification

Qualifications:

  • Bachelor's degree in  Computer Science, Information Technology, Mathematics, or a related field

Experience:

  • Fundamental knowledge of:
    • SQL (writing basic queries, joins, filtering).
    • Relational database concepts (tables, indexes, constraints, transactions).
    • Basic understanding of data security and privacy principles.
Package & Remuneration

Salary:   Market related

Should you not hear from us within 2 weeks, kindly consider your application as unsuccessful.

All personal information received will be processed in accordance with The Protection of Personal Information Act No. 4 OF 2013