Senior Database Administrator (SQL Server, IBM DB2 & PostgreSQL)

Idbasesoftware; Johannesburg; On-site; ZAR 900,000 - 1,300,000; Part time

Job summary

Idbasesoftware is seeking a highly experienced Senior Database Administrator to support enterprise-scale databases across MS SQL Server, IBM DB2, and PostgreSQL. You will design, implement, administer, optimize, and ensure high availability, security, and disaster recovery across complex production environments.

You will mentor junior DBAs, collaborate with infrastructure and development teams, and lead technical initiatives to ensure operational excellence in a hybrid Johannesburg setting.

Qualifications

• 10+ years enterprise DB Administration experience.
• Strong hands-on MS SQL Server and IBM DB2 administration.
• Experience with HA/DR, backup & recovery, and replication.

Responsibilities

• Install, configure, maintain MS SQL Server, IBM DB2, and PostgreSQL databases.
• Design, implement and manage development, test, staging and production environments.

Skills

Enterprise DB admin

SQL Server

IBM DB2

HA & DR

Query optimization

Security & governance

Education

Relevant IT/CS degree

SQL Server certs preferred

IBM DB2 certs advantageous

Tools

SSIS

SSRS

Windows Server Admin

Production Support

Job description

JOIN A TEAM OF CURIOUS MINDS, PROBLEM-SOLVERS, AND INNOVATORS DRIVING HIGH-IMPACT CHANGE FOR OUR CLIENTS, COMMUNITIES, AND THE WORLD.

We’re excited for new talent!

Our goal is to recruit and build an exceptional cadre of professionals who are passionate about doing work that matters. Successful candidates are placed into a niche practice area that best suits their skill set, interests and personal capability.

Opportunities do not follow a set timeline. Instead, opportunities at this level are advertised when they become available on an ongoing basis.

Your application must consist of:

• A copy of your identity document or passport
• Copies of all academic certificates obtained.

Process:

• The application is received and screened against required skills, competencies and experience
• The candidate is required to complete a technical case study
• Face-to-face and online psychometric assessments are conducted
• An interview is conducted
• Credential checks and references are completed
• If the candidate is successful, an offer of employment is made.

We are seeking a highly experienced Senior Database Administrator to join our team and support enterprise-scale database environments across Microsoft SQL Server, IBM DB2, and PostgreSQL.

This opportunity is also well suited to experienced Principal Database Consultants, Lead Database Administrators, and Senior Database Consultants with strong enterprise database administration experience.

The successful candidate will be responsible for designing, implementing, administering, optimizing, and supporting mission-critical database platforms while ensuring high availability, performance, security, resilience, and disaster recovery across complex production environments. You will also provide technical leadership, mentor junior team members, and collaborate closely with infrastructure, application, and development teams.

Key Responsibilities

1. Database Administration & Support

Install, configure, administer, and maintain Microsoft SQL Server, IBM DB2, and PostgreSQL environments.

Design and manage Development, Test, Staging, and Production database environments.

Configure database monitoring, alerts, and automated maintenance plans.

Deploy database releases, patches, and change scripts into production environments.

Manage database security, user permissions, and access controls.

Develop, maintain, and optimize SQL scripts, stored procedures, and database objects.

2. Performance, High Availability & Disaster Recovery

Design, implement, and maintain backup, recovery, and disaster recovery solutions aligned with business RPO and RTO objectives.

Configure and support High Availability (HA) and database replication solutions.

Monitor database performance, capacity, and health, proactively identifying and resolving issues.

Perform query tuning, index optimization, execution plan analysis, and server configuration improvements.

Support capacity planning and ensure optimal database performance across enterprise environments.

3. Technical Leadership & Collaboration

Produce and maintain technical documentation, database standards, and operational procedures.

Work closely with infrastructure, application, and development teams to deliver reliable and scalable database services.

Provide technical leadership, mentoring, and best practice guidance to junior Database Administrators.

Participate in database architecture, technology roadmap, and continuous improvement initiatives.

Support business-critical, high-availability production environments while ensuring operational excellence.

Requirements & Qualifications

Must-Have Skills

10+ years of enterprise Database Administration experience.

Strong hands-on experience administering:

• Microsoft SQL Server
• IBM DB2

Extensive experience installing, configuring, and supporting enterprise database platforms.

Advanced SQL development, query optimization, and database performance tuning.

Experience implementing:

• High Availability (HA)
• Disaster Recovery (DR)
• Backup & Recovery
• Database Replication
• Database Security & Governance
• Database Monitoring
• Capacity Planning
• Patch & Release Management

Strong troubleshooting and root cause analysis skills.

Experience supporting business-critical, high-availability production environments.

Excellent stakeholder engagement, communication, and documentation skills.

Technical Skills

• Microsoft SQL Server
• IBM DB2
• SQL Server Integration Services (SSIS)
• SQL Server Reporting Services (SSRS)
• Windows Server Administration
• Production Support

Education

Relevant tertiary qualification in Information Technology, Computer Science, or a related field.

Microsoft SQL Server certification(s) preferred.

IBM DB2 certification(s) advantageous.

Personal Attributes

• Strong analytical and problem-solving skills.
• Excellent attention to detail.
• Customer-focused with excellent stakeholder engagement skills.
• Ability to work independently and manage multiple priorities.
• Strong communication and technical documentation skills.
• Collaborative team player with mentoring and technical leadership experience.
• Proactive mindset with a passion for continuous improvement and operational excellence.

Additional Information

Contract Type: Contract with possibility of renewal

Location: Johannesburg

Work Model: Hybrid (2-3 days in the office)

Skills

We don’t feel that you need to go to an office every day to have impact, but we do want our team members to have options.