Senior Database Infrastructure Engineers

Babylon Data Pty Ltd; Canberra; Hybrid; AUD 193,000 - 220,000; Full time

Job summary

Babylon Data Pty Ltd in Canberra is seeking a Senior Database Infrastructure Engineer to support Services Australia. You will manage SQL Server, Db2 z/OS, Db2 Midrange and MongoDB environments, planning MongoDB upgrades and migrations to ensure stability and data integrity.

The role requires hybrid work with occasional onsite attendance, active NV1 clearance before start, and a start date around Jan 1, 2027. 12-month contract with potential extensions.

Qualifications

• Senior level database engineering experience.
• Strong experience across SQL Server, Db2 z/OS and Db2 Midrange.
• Advanced MongoDB administration and migrations.
• Experience with containerised databases and high availability.

Responsibilities

• Administer and optimise SQL Server, Db2 z/OS, Db2 Midrange and MongoDB.
• Plan, test and implement upgrades and migrations, focusing on MongoDB.
• Monitor performance, security and operational stability.
• Manage replication, backups, recovery and HA configurations.
• Identify risks and coordinate controlled changes with minimal downtime.
• Prepare documentation, migration plans and procedures.
• Support knowledge transfer to internal teams.

Skills

Senior / EL1 equivalent

SQL Server administration

Db2 z/OS administration

Db2 Midrange administration

MongoDB administration

Performance tuning

High availability

Migration planning

Troubleshooting

Containerised databases

Tools

Microsoft SQL Server

IBM Db2 z/OS

IBM Db2 Midrange

MongoDB

Container environments

Job description

Rate Guide: $140 -$160hr

Client: Services Australia

Location: Canberra (ACT), Melbourne (VIC), Brisbane (QLD) or Adelaide (SA)

Working Arrangement: Hybrid – onsite attendance required as needed

Contract Duration: 12 months + potential extensions of up to 24 months

Estimated Start Date: 1 January 2027

Security Clearance: Active NV1 required before commencement

Experience Level: Senior / EL1 equivalent

Hours: As required by the engagement, with occasional out-of-hours activities

About the Opportunity

Babylon Data is seeking experienced Senior Database Infrastructure Engineers to support Services Australia in delivering critical enterprise database infrastructure services.

These positions will provide specialist technical expertise across Microsoft SQL Server, IBM Db2 z/OS, IBM Db2 Midrange and MongoDB environments.

An immediate priority is the planning, validation and implementation of MongoDB upgrades and migrations, ensuring platform stability, performance, data integrity and service continuity.

Successful candidates will work closely with Australian Government technical teams to modernise database infrastructure, resolve complex technical issues and strengthen operational resilience.

Key Responsibilities

• Administer, maintain and optimise enterprise database environments across SQL Server, Db2 z/OS, Db2 Midrange and MongoDB.
• Plan, test and implement database upgrades, migrations and platform improvements, with an immediate focus on MongoDB.
• Monitor and optimise database performance, availability, security and operational stability.
• Manage replication, backup, recovery and high-availability configurations.
• Identify and mitigate risks associated with database migrations, version compatibility and infrastructure changes.
• Support database technologies operating within containerised environments.
• Troubleshoot complex database performance, configuration and operational issues.
• Collaborate with technical teams to implement controlled changes while minimising downtime.
• Prepare technical documentation, migration plans and operational procedures.
• Support knowledge transfer and capability uplift for internal technical teams.

Essential Skills and Experience

• Microsoft SQL Server: Advanced administration, performance tuning, backup and recovery, high availability, security and operational support.
• IBM Db2 z/OS: Expert-level administration, performance monitoring, recovery, data integrity and security.
• IBM Db2 Midrange: Expert-level administration, performance optimisation, recovery and operational management.
• MongoDB: Advanced administration, replication, migrations, upgrades, performance tuning and data consistency.
• Containerised Databases: Experience supporting database platforms in container environments and managing associated operational risks.
• Database Migrations: Proven experience planning and implementing controlled upgrades and migrations while maintaining service continuity and data integrity.

Candidates must also demonstrate strong troubleshooting skills, technical documentation capability and the ability to communicate effectively with technical stakeholders.