Senior Infrastructure Engineer (Database Administrator)

Location Canberra, Adelaide, Brisbane, Melbourne (Hybrid Working Arrangement)

Clearance Must be eligible to obtain Negative Vetting Level 1 (NV1) Security Clearance.

Contract Term

- Initial Contract: 12 Months
- Extensions: Up to 24 Months Total Engagement
- Estimated Start: January 2027

About the Role: This federal goverment client is seeking experienced Senior Infrastructure Engineers with specialist database administration expertise to support critical enterprise database modernization, upgrade, migration, and operational support activities.

The successful candidate will provide advanced technical support across Microsoft SQL Server, IBM Db2 z/OS, IBM Db2 Midrange, and MongoDB environments, with an immediate focus on MongoDB upgrade and migration initiatives. Working within a complex enterprise environment, you will ensure database availability, performance, security, integrity, and resilience while supporting agency-wide infrastructure transformation programs.
This role requires close collaboration with technical teams, adherence to enterprise change management practices, and the ability to deliver outcomes in highly regulated government environments.

Key Responsibilities

- Provide expert database administration across SQL Server, Db2 z/OS, Db2 Midrange, and MongoDB platforms.
- Plan, validate, and execute database upgrades, migrations, and optimisation activities.
- Lead MongoDB upgrade and migration initiatives, ensuring minimal service disruption.
- Monitor and optimise database performance, capacity, and availability.
- Implement and maintain backup, recovery, replication, and disaster recovery solutions.
- Assess and mitigate technical, operational, and migration-related risks.
- Ensure data consistency, integrity, security,



and compliance throughout all database activities.
- Support database technologies deployed within containerised environments.
- Collaborate with infrastructure, application, and security teams during project delivery.
- Produce high-quality technical documentation, implementation plans, and operational procedures.
- Provide knowledge transfer and capability uplift to internal APS staff.
- Participate in after-hours implementation activities and incident resolution when required.

Essential Technical Skills & Experience Database Platforms Demonstrated expert-level experience administering:

- Microsoft SQL Server
- IBM Db2 z/OS
- IBM Db2 Midrange
- MongoDB

Technical Capabilities
- Advanced database performance tuning and optimisation.
- Backup, recovery, replication, and high availability solutions.
- Database security administration and compliance controls.
- Database migration and upgrade planning and execution.
- Data integrity and consistency management.
- Enterprise database monitoring and operational support.
- Experience supporting databases within containerised environments.
- Robust troubleshooting and root-cause analysis skills.
- Risk assessment and mitigation during major infrastructure changes.
- Technical documentation and stakeholder communication.

Essential Criteria Candidates must demonstrate:

1. Expert-level Microsoft SQL Server administration including performance tuning, backup and recovery,



high availability, security, and operational support.
2. Expert-level IBM Db2 z/OS administration in large enterprise environments.
3. Expert-level IBM Db2 Midrange administration including performance monitoring and recovery capabilities.
4. Expert-level MongoDB administration including replication, backup and recovery, performance tuning, and operational support.
5. Experience supporting database platforms in containerised environments and managing associated deployment risks.
6. Proven ability to plan and deliver controlled database upgrades and migrations while maintaining service continuity and data integrity.

Desirable Experience
- Experience within Federal Government or large-scale enterprise ICT environments.
- Exposure to enterprise change management and ITIL-based operational environments.
- Experience delivering technical documentation, knowledge transfer, and mentoring activities.
- Experience supporting large-scale database modernization programs.

Ideal Candidate Profile The ideal candidate will be a senior database specialist who combines deep technical expertise with strong stakeholder engagement skills. You will have successfully delivered enterprise database upgrades and migrations, possess broad experience across multiple database technologies, and be comfortable operating within a complex government environment where system availability and data integrity are critical.

Peoplebank and Leaders IT are committed to creating a diverse and inclusive workplace where everyone belongs. We welcome applications from people of all backgrounds, identities, and experiences. If you need adjustments to the recruitment process due to your circumstances, please let us know—we’re here to support you.

📌 Senior Infrastructure Engineer (Greenway)
🏢 Peoplebank Australia ACT
📍 Greenway