Senior PostgreSQL System AdministratorGalent • Toronto, Ontario, Canada

Senior PostgreSQL System Administrator

Galent • Toronto, Ontario, Canada

14 days ago

Job type

Full-time

Job description

Job Summary

We are looking for an experienced Senior PostgreSQL System Administrator with 57 years of hands-on experience managing large-scale mission-critical PostgreSQL environments. This role is ideal for someone who thrives in performance tuning high availability design and database security and who enjoys mentoring junior DBAs while influencing architectural decisions.

Key Responsibilities

Lead installation configuration and administration of PostgreSQL databases across production and non-production environments
Design and implement High Availability (HA) Disaster Recovery (DR) and replication solutions
Monitor database performance identify bottlenecks and optimize queries and configurations
Perform database upgrades patching and migrations with minimal downtime
Implement and manage backup and recovery strategies (pgBackRest Barman etc.)
Ensure database security through access control auditing and encryption
Automate routine DBA tasks using Shell scripting Ansible or similar tools
Collaborate with Development Infrastructure and DevOps teams on scalable architectures
Create and maintain documentation standards and best practices
Mentor junior DBAs and act as a PostgreSQL Subject Matter Expert
Participate in on-call rotation and resolve critical incidents

Required Skills & Qualifications

Bachelors degree in Computer Science Engineering or related field

57 years of PostgreSQL DBA experience (MongoDB exposure required)

Strong knowledge of PostgreSQL internals and architecture

Experience with PostgreSQL v14

Expertise in streaming / logical replication and clustering

Advanced performance tuning query optimization and indexing strategies

Strong Linux / Unix skills with scripting (Bash Python preferred)

Experience with monitoring tools such as Prometheus Grafana or Zabbix

Experience managing PostgreSQL on cloud platforms (AWS RDS GCP Cloud SQL Azure

Preferred / Nice to Have

Experience with Docker and Kubernetes

Knowledge of other databases (MySQL Oracle NoSQL)

Exposure to CI / CD pipelines and DevOps practices

Infrastructure as Code experience ( Ansible Terraform )

Soft Skills

Excellent analytical and troubleshooting skills

Strong communication and documentation abilities

Leadership and mentoring mindset

Proactive automation-driven approach to problem solving

Key Skills

Active Directory,VMware,Computer Networking,Microsoft Windows Server,Solaris,Windows,Linux,SAN,System Administration,Operating Systems,Dns,CentOS

Employment Type : CONTRACT

Experience : years

Vacancy : 1

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Senior PostgreSQL System Administrator • Toronto, Ontario, Canada

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