Senior PostgreSQL DBA – HA, Automation & GitOps

Exclaim IT; Canberra; On-site; AUD 120,000 - 180,000; Full time

Job summary

Exclaim IT seeks an experienced PostgreSQL Database Administrator to implement and maintain enterprise PostgreSQL environments supporting critical federal digital services. The role emphasizes high availability, security, and automation across RHEL, OpenShift and VMware, with strong PEM, Ansible and IaC expertise.

Ideal candidates will bring 5+ years in PostgreSQL admin, plus hands-on experience with ArgoCD, GitLab, and security controls. National police check may be required.

Qualifications

• Minimum five years’ PostgreSQL database administration experience.
• Experience with RHEL, OpenShift and VMware technologies.
• Extensive experience with EDB Postgres Enterprise Manager (PEM), including performance monitoring and query analysis.
• Experience implementing GitOps workflows using ArgoCD and GitLab.
• Strong infrastructure-as-code development and automation for PostgreSQL deployments.
• Security focus: LDAP/Active Directory, RBAC, TLS encryption and X.509 certificate management.

Responsibilities

• Configure and manage PostgreSQL high availability and replication clusters using EFM.
• Install, configure and administer PEM, including agent deployment and performance monitoring.
• Develop and maintain infrastructure-as-code for PostgreSQL deployments.
• Design, deploy and maintain PostgreSQL environments with Ansible CI/CD pipelines across RHEL, OpenShift and VMware.
• Configure ArgoCD deployments and integrate with GitLab to support GitOps workflows.
• Implement automated backup, disaster recovery and PITR strategies.
• Plan and execute database migrations, upgrades and cross-platform deployments.
• Configure authentication and access controls, including LDAP/AD, RBAC, TLS and X.509.
• Manage database software installations and upgrades to maintain currency and compliance.
• Maintain enterprise monitoring, logging and troubleshoot complex issues to ensure reliability and capacity.
• Contribute to team capability uplift and maintain technical documentation.

Job description

Exclaim IT seeks an experienced PostgreSQL Database Administrator to implement and maintain enterprise PostgreSQL environments supporting critical federal digital services. The role emphasizes high availability, security, and automation across RHEL, OpenShift and VMware, with strong PEM, Ansible and IaC expertise.

Ideal candidates will bring 5+ years in PostgreSQL admin, plus hands-on experience with ArgoCD, GitLab, and security controls. National police check may be required.