Infrastructure Engineer

Adactin Group; Sydney; On-site; AUD 120,000 - 180,000; Full time

Job summary

Adactin Group is seeking an experienced Infrastructure Engineer with strong database administration skills to support enterprise database platforms, upgrades, migrations and performance optimisation within a complex ICT environment.

The successful candidate will work with technical teams to maintain database reliability, availability and data integrity while supporting platform upgrades, resolving technical issues and minimising operational risks.

Qualifications

• Experience in infrastructure engineering or database administration in enterprise ICT.
• Proven ability to upgrade, migrate and tune databases.
• Hands-on experience with SQL Server, Db2 (z/OS or Midrange) or MongoDB.
• Strong backup, recovery and data integrity practices.
• Experience with containerised database deployments.

Responsibilities

• Administer and support enterprise database platforms including SQL Server, Db2, MongoDB.
• Plan and execute upgrades, migrations and version transitions.
• Assess environments for compatibility, performance and risk.
• Tune performance, troubleshoot, and optimise databases.
• Ensure data integrity, availability, backup and recovery.
• Support deployments in containerised environments.
• Collaborate to plan, test and implement changes.
• Identify risks, minimise downtime and service disruption.
• Maintain documentation of configs, changes, procedures, issues.
• Provide guidance and knowledge transfer to teams.

Skills

Infrastructure engineering

Database administration

Upgrades and migrations

Performance tuning

Troubleshooting

Containerised environments

Documentation

Stakeholder engagement

Tools

SQL Server

IBM Db2 z/OS

Db2 Midrange

MongoDB

Backup and recovery

Job description

Adactin Group is a 100% Australian-owned global IT consulting company, headquartered in Sydney. We are a trusted technology partner helping organizations drive end-to-end digital transformation through our deep expertise in Microsoft and AWS ecosystems, AI-powered Digital Engineering, and future-ready Quality Assurance.

Our managed delivery approach, backed by domain expertise, ensures successful outcomes for every project. At Adactin, we believe in the power of our people. We foster a dynamic and supportive environment where your career can grow alongside exciting projects that shape the future of technology. Join us, and be part of a team committed to innovation, excellence, and making a difference.

About the Role

We are seeking an experienced Infrastructure Engineer with strong database administration expertise to support enterprise database platforms, upgrades, migrations and performance optimisation within a complex ICT environment.

The successful candidate will work with technical teams to maintain database reliability, availability and data integrity while supporting platform upgrades, resolving technical issues and minimising operational risks.

Key Responsibilities

• Administer and support enterprise database platforms, including SQL Server, IBM Db2 and MongoDB.
• Plan and execute database upgrades, migrations and version transitions.
• Assess database environments for compatibility, performance and operational risks.
• Perform database performance tuning, troubleshooting and optimisation.
• Ensure data integrity, availability, backup and recovery capabilities.
• Support database deployments and operations in containerised environments.
• Collaborate with technical teams to plan, test and implement database changes.
• Identify and mitigate risks while minimising downtime and service disruption.
• Maintain technical documentation covering configurations, changes, procedures and issues.
• Provide technical guidance and knowledge transfer to internal teams.

Essential Skills and Experience

• Demonstrated experience in infrastructure engineering or database administration within enterprise ICT environments.
• Strong expertise in database upgrades, migrations, performance tuning and troubleshooting.
• Experience with SQL Server, IBM Db2 z/OS, Db2 Midrange and/or MongoDB.
• Knowledge of backup, recovery, replication and data integrity practices.
• Ability to assess technical risks and resolve complex database issues.
• Strong documentation, communication and stakeholder engagement skills.
• Experience supporting databases in containerised environments.
• Knowledge of enterprise ICT change management and release processes.
• Experience working in large-scale or government ICT environments.

Additional Requirements: Occasional after-hours work may be required to support planned upgrades, migrations and critical incident resolution.

Due to the nature of the role, you must be an Australian Citizen with an active NV1 security clearance.