Senior Database Administrator (SQL Server | Azure | Informix) (iOCO0181)

iOCO Limited; Pretoria; On-site; ZAR 600,000 - 900,000; Full time

Job summary

iOCO Limited is seeking an experienced Senior Database Administrator to own and optimize our database environments across on-prem, hybrid, and cloud platforms. You will lead SQL Server, Azure SQL, and IBM Informix operations with a hands-on, strategic mindset in Pretoria.

The role demands 7+ years in DBA roles, strong tuning, security, DR, and mentoring capabilities. You’ll drive cloud migrations, establish best practices, and mentor junior DBAs within a consultancy mindset.

Qualifications

• 7+ years of DBA experience with 3+ years in a senior role.
• Strong administration of SQL Server, Azure SQL, and Informix.
• Experience across on-prem, hybrid, and cloud database environments.
• Proficient in T-SQL, tuning, security, and DR strategies.
• Ability to mentor junior DBAs and lead initiatives.

Responsibilities

• Administer, monitor, optimize, and support SQL Server, Azure, and Informix databases.
• Manage availability, performance, security, backups, and DR processes.
• Lead cloud migration and modernization of database estates.
• Troubleshoot complex production issues and ensure high availability.
• Drive best practices, governance, and security standards.
• Mentor junior DBAs and act as escalation point.

Skills

SQL Server

Azure SQL

IBM Informix

Cloud DBs

T-SQL

Performance tuning

Disaster recovery

Mentoring

Education

Bachelor's Degree in IT

Azure Certification (AZ-104, AZ-305, DP-300)

SQL Server Certification

Tools

Azure DevOps

Terraform

CI/CD

Infrastructure as Code

Job description

We are looking for an experienced Senior Database Administrator to join our team and take ownership of our database environments across on-premise, hybrid, and cloud platforms. This is an exciting opportunity for a hands‑on DBA with strong leadership capability and deep expertise in SQL Server, Microsoft Azure, and IBM Informix.

What you'll do:

• Administer, monitor, optimize, and support SQL Server, Azure, and Informix database environments.


• Manage database availability, performance, security, backup, recovery, and disaster recovery processes.


• Lead database cloud migration and modernization initiatives.


• Troubleshoot and resolve complex database issues in production environments.


• Implement and maintain high-availability solutions and database monitoring.


• Drive database best practices, governance, and security standards.


• Mentor and support junior DBAs and act as a senior escalation point for database-related incidents.

Your Expertise:

• 7+ years' DBA experience, with at least 3 years in a senior-level role.


• Strong administration experience with:




• Microsoft SQL Server


• Microsoft Azure SQL Services (Azure SQL Database, Managed Instance, Azure VMs)


• IBM Informix




• Experience managing on-premise, hybrid, and cloud database environments.


• Strong skills in performance tuning, security, backup & recovery, high availability, and disaster recovery.


• Experience with T‑SQL and database automation/scripting.


• Proven ability to mentor junior team members and lead technical initiatives.

Qualifications:

• Relevant Bachelor's Degree in IT, Computer Science, Information Systems, Engineering, or related field – non negotiable


• Relevant Microsoft Azure Certification (e.g. AZ-104, AZ-305, DP-300) – non negotiable


• Microsoft SQL Server certification – non negotiable

Advantageous Skills

• AWS database administration exposure.


• Experience with MySQL, PostgreSQL, Db2, or NoSQL databases.


• Azure DevOps, Terraform, CI/CD, and Infrastructure-as-Code experience.


• Exposure to data platforms such as SSIS, SSRS, SSAS, Azure Data Factory, or Data Warehousing.

Other information applicable to the opportunity:

• Permanent position


• Location: Pretoria

Why work for us?

Want to work for an organization that solves complex real-world problems with innovative software solutions? At iOCO, we believe anything is possible with modern technology, software, and development expertise. We are continuously pushing the boundaries of innovative solutions across multiple industries using an array of technologies?.

You will be part of a consultancy, working with some of the most knowledgeable minds in the industry on interesting solutions across different business domains?.

Our culture of continuous learning will ensure that you will have all the opportunities, tools, and support to hone and grow your craft?.

By joining IOCO you will have an open invitation to developer inspiring forums. A place where you will be able to connect and learn from and with your peers by sharing ideas, experiences, practices, and solutions?.

iOCO is an equal opportunity employer with an obligation to achieve its own unique EE objectives in the context of Employment Equity targets. Therefore, our employment strategy gives primary preference to previously disadvantaged individuals or groups