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Senior Database Administrator (SQL Server)

ASX LimitedSydney, New South Wales🇦🇺AustraliaPosted 27 Aug 2026

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Sydney, New South Wales, Australia
OracleSQLSQL ServerAWSAnsiblePostgreSQLPowerShellTerraform

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

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

We make hiring decisions based on your skills, capabilities and experience, and how you'll help us to live our values.

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. Even if our roles are advertised as full-time, we encourage you to apply if you are interested in part-time or other flexible working arrangements.

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.

ASX is an integrated exchange offering listings, trading, clearing, settlement, technical and information services, technology, data and other post-trade services. It acts as a market operator, clearing house and payments system facilitator. It oversees compliance with its operating rules, promotes standards of corporate governance among Australia's listed companies and helps to educate retail investors.

ASX operates markets for a wide range of asset classes including equities, fixed income, commodities and energy. As an integrated exchange, ASX's activities span primary and secondary market services, including the raising, allocation and hedging of capital flows; trading and price discovery; central counter-party risk transfer; and securities settlement for both the equities and fixed income markets.

When you join ASX, you'll be joining a dynamic global leader with a record of innovation and a reputation for integrity, transparency and professionalism. You'll also enjoy an impressive range of employee benefits and a flexible working environment underpinned by a friendly and collaborative culture.

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