Senior Database Administrator (SQL Server)

ASX; Sydney; Hybrid; AUD 120,000 - 190,000; Full time

Benefits offered by this job

Hybrid working options

Flexible working

Job summary

ASX is seeking a skilled Database Administrator to maintain and enhance hosting database platforms, including SQL Server, Oracle, PostgreSQL, and AWS RDS/Aurora, across hybrid environments.

You will lead incident resolution, support a 24/7 roster, and drive automation and reliability. The role emphasizes security, HA/DR, and performance in a critical market infrastructure context.

Qualifications

• Extensive recent experience supporting Microsoft SQL Server in business-critical environments.
• Strong capability in SQL Server performance tuning, database design, troubleshooting and operational problem management.
• Experience designing, implementing and supporting SQL Server high availability and disaster recovery solutions, including Always On availability groups and backup/restore strategies.

Responsibilities

• Lead incident and problem resolution as part of a 24/7 roster, including remediation, stakeholder communication and root cause analysis.
• Manage SQL Server security, availability, performance, recovery, capacity, monitoring and patching across business-critical environments.
• Plan and deliver database changes, upgrades and migrations, providing senior technical input into design, standards, operational readiness and lifecycle management.
• Maintain operational playbooks, build standards and knowledge artefacts that improve consistency across the database estate.
• Apply automation, scripting and infrastructure-as-code practices to improve efficiency, repeatability, compliance and reliability.
• Contribute to Oracle Database, Amazon RDS and Aurora administration activities as required, working with platform teams.

Skills

SQL Server

Performance tuning

High availability

Disaster recovery

SQL Server security

Root cause analysis

Education

Bachelor's degree in IT or related field

Tools

Oracle Database

PostgreSQL

Amazon RDS

Aurora

PowerShell

Terraform

Ansible

Job description

ASX: Powering Australia’s financial markets

Why join the ASX?

When you join ASX, you're joining a company with a strong purpose - to power a stronger economic future by enabling a fair and dynamic marketplace for all.

In your new role, you'll be part of a leading global securities exchange with a strong brand. We are known for being a trusted market operator and an exciting data hub.

We are more than a securities exchange!

The ASX team brings together talented people from a diverse range of disciplines.

We run critical market infrastructure, with 1 in 3 people employed within technology. Yet we have a unique complexity of roles across a range of disciplines such as operations, program delivery, financial products, investor engagement, risk and compliance.

We're proud to foster a workplace where diversity is celebrated and inclusion is part of our everyday culture. Our employee-led networks champion LGBTIQ+ inclusion, promote gender equality, accessibility and wellbeing, inspire giving and volunteering, and celebrate cultural and religious events, creating a sense of belonging for all. As an AWEI Bronze employer and member of the Champions of Change Coalition for gender equality, we're committed to a fair and inclusive workplace where everyone can thrive.

The Hosting Database team is part of Technology Infrastructure. The team supports ASX's business-critical database platforms, including SQL Server, Oracle Database, PostgreSQL, Amazon RDS and Aurora across hybrid on-premises and AWS cloud environments.

Your responsibilities:

• Lead incident and problem resolution as part of a 24/7 roster, including remediation, stakeholder communication and root cause analysis
• Manage SQL Server security, availability, performance, recovery, capacity, monitoring and patching across business-critical environments
• Plan and deliver database changes, upgrades and migrations, providing senior technical input into design, standards, operational readiness and lifecycle management
• Maintain operational playbooks, build standards and knowledge artefacts that improve consistency across the database estate
• Apply automation, scripting and infrastructure-as-code practices to improve efficiency, repeatability, compliance and reliability
• Contribute to Oracle Database, Amazon RDS and Aurora administration activities as required, working with platform

Must have:

• Extensive recent experience supporting Microsoft SQL Server in business-critical environments
• Strong capability in SQL Server performance tuning, database design, troubleshooting and operational problem management
• Experience designing, implementing and supporting SQL Server high availability and disaster recovery solutions, including
• Always On availability groups and backup and restore strategies

Nice to have:

• Automation experience using PowerShell, Ansible, Terraform or similar tools to support repeatable database builds, configuration management, backup and restore processes, and operational checks
• Exposure to Oracle Database, PostgreSQL, Amazon RDS and Aurora across hybrid on-premises and AWS cloud environments
• Experience in financial services or a similarly regulated industry
• Relevant Microsoft, AWS, Oracle or equivalent certifications

If you need any adjustments during the application or interview process to help you present your best self, please let us know at [e-mail].

At ASX Group, our diverse workforce is essential to build and maintain a fair and dynamic marketplace. We support flexible working and offer hybrid working options.

We will arrange for successful candidates to have background checks, including reference and police checks, completed as part of the on-boarding process.

To be considered for this position, candidates must be legally authorised to work in Australia on a permanent basis without any restrictions.