Senior Database Admin MongoDB/DB2/SQL

National Workforce Pty Ltd; Canberra; Hybrid; AUD 165,000 - 248,000; Full time

Job summary

National Workforce Pty Ltd is seeking an experienced Senior Database Administrator for a 12-month contract to support a large Federal Government agency. The role focuses on MongoDB upgrades and migrations, alongside administering SQL Server, Db2 z/OS and Db2 Midrange.

You will work with agency teams to plan, test and implement controlled changes, ensuring data integrity and availability while boosting performance and resilience.

Qualifications

• Experience delivering controlled database upgrades and migrations.
• Expertise across SQL Server, Db2 z/OS and Db2 Midrange.
• Proven ability to plan, test and implement changes with minimal downtime.

Responsibilities

• Assess database environments and identify upgrade, compatibility, performance and operational risks.
• Plan, validate and implement database upgrades and migrations while minimising downtime.
• Provide performance tuning, replication, backup, recovery and production support.
• Support databases in containerised environments and manage deployment risks.
• Document configuration changes, upgrade procedures, risks and lessons learned.
• Support knowledge transfer and skills development within agency teams.

Skills

SQL Server

Db2 z/OS

Db2 Midrange

MongoDB

Upgrades and migrations

Performance tuning

Backup and recovery

Containerised environments

Documentation

Stakeholder communication

Tools

Containerization

Job description

We are seeking an experienced Senior Database Administrator for a contract opportunity supporting a large Federal Government agency.

The immediate priority is supporting critical MongoDB upgrades and migrations, alongside specialist database administration across SQL Server, Db2 z/OS and Db2 Midrange.

You will work closely with agency technical teams to plan, test and implement controlled changes, maintain data integrity and availability, and strengthen database performance and resilience.

• 12-month contract with an estimated January 2027 start
• Canberra, Melbourne, Brisbane or Adelaide; hybrid arrangements considered
• Deliver critical MongoDB upgrades and migrations in an enterprise environment

What you'll do

• Assess database environments and identify upgrade, compatibility, performance and operational risks.
• Plan, validate and implement database upgrades and migrations while minimising downtime.
• Provide performance tuning, replication, backup, recovery and production support.
• Support databases in containerised environments and manage associated deployment and operational risks.
• Document configuration changes, upgrade procedures, risks and lessons learned.
• Support knowledge transfer and skills development within agency teams.

What you'll bring

• Expert-level SQL Server administration, including performance tuning, backup and recovery, high availability and security.
• Expert-level administration of Db2 z/OS and Db2 Midrange.
• Expert-level MongoDB administration, including replication, backup and recovery, performance tuning and data consistency.
• Demonstrated experience delivering controlled database upgrades and migrations.
• Hands-on experience supporting databases in containerised environments.
• Strong troubleshooting, technical documentation and stakeholder communication skills.
• Experience in complex government or enterprise ICT environments, and supporting technical knowledge transfer, will be highly regarded.