Senior Database Administrator - SQL Server, Db2, MongoDB

About the role

A federal government client, a frontline service-delivery agency, is seeking a Senior Database Administrator to provide expert technical support across SQL Server, Db2 z/OS, Db2 Midrange and MongoDB platforms. The immediate focus is on critical MongoDB upgrade and migration activities, including planning, validation and controlled implementation, performance optimisation, data consistency assurance, issue resolution and risk mitigation. The role works with APS technical teams to support platform resilience and minimise downtime.

Key responsibilities

• Provide specialist database administration expertise across SQL Server, Db2 z/OS, Db2 Midrange and MongoDB platforms.
• Support version upgrade, migration and optimisation activities, including the immediate MongoDB upgrade and migration requirement.
• Assess current database environments and identify upgrade, compatibility, migration, performance and operational risks.
• Optimise database performance and support remediation of identified issues.
• Ensure data consistency, integrity and availability throughout upgrade, migration and support activities.
• Support database activities in containerised environments and advise on risk mitigation.
• Work with APS technical teams to plan, test and implement upgrade and migration activities.
• Document all work, including configuration changes, upgrade steps, risks, issues and lessons learned.
• Support knowledge transfer to APS staff through blended delivery and targeted skills transfer.

Required profile

• Expert-level Microsoft SQL Server administration, including performance tuning, backup and recovery, high availability, security and operational support.
• Expert-level IBM Db2 z/OS and Db2 Midrange administration, including performance monitoring, backup and recovery, data integrity and security.
• Expert-level MongoDB administration, including replication, backup and recovery, performance tuning and data consistency.
• Demonstrated experience supporting database platforms in containerised environments and managing platform, deployment and operational risks.
• Ability to plan, validate and implement controlled upgrades and migrations while maintaining service continuity, data integrity and availability.
• Strong troubleshooting, technical documentation and stakeholder communication skills.
• Desirable: experience in complex government or enterprise ICT environments and in knowledge transfer, documentation and skills uplift.

Required skills

• SQL Server, Db2 z/OS, Db2 Midrange and MongoDB administration
• Database upgrade, migration, performance tuning, replication, backup, recovery and data consistency controls
• Containerised database environments
• Risk assessment and mitigation during upgrades and migrations

Working arrangements are hybrid, with the agency's premises in Canberra, Adelaide, Brisbane, Melbourne or Canberra; out-of-hours work may occasionally be required. The initial contract is 12 months, extendable up to 24 months, with an estimated start date of 1 January 2027. Candidates must be Australian citizens with an active Negative Vetting Level 1 clearance and provide a one-page pitch covering all criteria.