PostgreSQL Database Administrator

Unisys; City of Melbourne; On-site; AUD 110,000 - 140,000; Full time

Job summary

Unisys is seeking an experienced Database Administrator to manage enterprise databases across multiple accounts, ensuring performance, security and reliability. The role demands hands-on expertise with MS SQL Server, Oracle, PostgreSQL, and IBM DB2, plus ETL, SQL scripting, Shell and PowerShell automation.

You will work independently and with cross‑functional teams to deliver seamless database operations, backups, disaster recovery, and optimized data processing for enterprise service delivery.

Qualifications

• Minimum 6 years experience as a DBA in enterprise or multi-client environments.
• Strong hands-on experience with MS SQL Server, Oracle, PostgreSQL, IBM DB2 administration.
• Experience with ETL tools and data integration processes.
• Strong SQL, Shell scripting, and PowerShell skills.
• Knowledge of database performance tuning, high availability, replication, backup, and recovery.
• Ability to manage multiple priorities and accounts/projects simultaneously.
• Australian Citizenship/PR holders are preferred.

Responsibilities

• Administer, monitor, and maintain databases including Microsoft SQL Server, Oracle, PostgreSQL, and IBM DB2.
• Perform database installation, configuration, upgrades, and patching.
• Monitor database performance, identify issues, and apply tuning to optimize systems.
• Manage ETL processes for data integration, transformation, and reporting.
• Develop, maintain, and optimize SQL scripts for automation, reporting, and data manipulation.
• Create and maintain Shell scripts and PowerShell scripts for routine maintenance, automation, and operational efficiency.
• Implement and manage database security, user access, backup, and disaster recovery processes.
• Troubleshoot database issues in production and non-production environments.
• Manage multiple accounts or projects at the same time, prioritizing tasks to meet deadlines and maintain service quality.
• Collaborate with development, infrastructure, and support teams to support application deployments, resolve issues, and improve database processes.
• Document procedures, system changes, and best practices for knowledge sharing and continuity.

Skills

SQL scripting

Shell scripting

PowerShell

Database performance tuning

High availability / DR

Cross-functional communication

Tools

MS SQL Server

Oracle

PostgreSQL

IBM DB2

ETL tools

Job description

What success looks like in this role:

Unisys is seeking an experienced Database Administrator (DBA) with a minimum of 6 years in enterprise database environments to manage and support multiple databases across diverse accounts and projects, ensuring performance, security, and reliability. The role requires strong hands‑on expertise with MS SQL Server, Oracle, PostgreSQL, and IBM DB2, along with skills in ETL processes, SQL scripting, Shell/PowerShell automation, and database performance tuning. Success in this role at Unisys requires the ability to work independently, take ownership of tasks, and collaborate effectively with cross‑functional teams to deliver seamless database operations and support enterprise service delivery.

Responsibilities:

• Administer, monitor, and maintain databases including Microsoft SQL Server, Oracle, PostgreSQL, and IBM DB2.
• Perform database installation, configuration, upgrades, and patching.
• Monitor database performance, identify issues, and apply tuning to optimize systems.
• Manage ETL processes for data integration, transformation, and reporting.
• Develop, maintain, and optimize SQL scripts for automation, reporting, and data manipulation.
• Create and maintain Shell scripts and PowerShell scripts for routine maintenance, automation, and operational efficiency.
• Implement and manage database security, user access, backup, and disaster recovery processes.
• Troubleshoot database issues in production and non-production environments.
• Manage multiple accounts or projects at the same time, prioritizing tasks to meet deadlines and maintain service quality.
• Collaborate with development, infrastructure, and support teams to support application deployments, resolve issues, and improve database processes.
• Document procedures, system changes, and best practices for knowledge sharing and continuity.

You will be successful in this role if you have: Requirements: Minimum 6 years experience as a DBA in enterprise or multi-client environments. Strong hands‑on experience with MS SQL Server, Oracle, PostgreSQL, IBM DB2 administration. Experience with ETL tools and data integration processes. Strong SQL, Shell scripting, and PowerShell skills. Knowledge of database performance tuning, high availability, replication, backup, and recovery. Ability to manage multiple priorities and accounts/projects simultaneously. Strong problem‑solving skills and ability to communicate clearly with teams and stakeholders. Ability to work independently and also collaborate effectively in team environments. Australian Citizen/PR holders are preferred.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law. Local employment practices and rights may vary by jurisdiction and are subject to applicable local laws. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [e-mail]. US job seekers can find more information about Unisys’ EEO commitment here.

Unisys is a global technology solutions company that powers breakthroughs for the world’s leading organizations. Our solutions – cloud, AI, digital workplace, logistics and enterprise computing – help our clients challenge the status quo and unlock their full potential. To learn how we have been helping clients push what’s possible for more than 150 years, visit unisys.com and follow us on LinkedIn. https://www.unisys.com/unisys-legal/recruiting

Notice for U.S. Applicants:

Unisys is an Equal Opportunity Employer – Minorities/ Females/ Veterans/ Individuals with Disabilities/ Sexual Orientation/ Gender Identity