Columbus Tech support Jobs – 115 Openings This Week

Senior PostgreSQL System Administrator
Recutify Inc. —Markham, ON
- Full-time
- Azure
- Oracle
- Computer Science
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IT Systems Specialist (Chinese Speaking Preferred)
Kiokii Inc —Markham, ON
- $60,000–$70,000 a year
- Full-time
- ERP systems
- English
- SQL
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5d

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IT Systems Specialist (Chinese Speaking Preferred)
Kiokii Inc —Markham, ON
Troubleshoot and resolve first- and second-line system issues, perform basic system configuration, and escalate complex issues when required.
$60,000–$70,000 a year
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5d

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IT Support (Onsite)
Hotel X Toronto —Toronto, ON
Experience with local area networks is considered an asset. Identify opportunities and recommend solutions that will enhance or improve current business…
$55,000–$65,000 a year
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Technical Support Specialist
INNERGY —Toronto, ON
Experience writing structured bug reports and collaborating with development/QA teams. Leverage ticket history and pattern analysis to improve AI accuracy,…
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Senior PostgreSQL System Administrator

Recutify Inc.
Markham, ON

Quick apply

Job details

Full-time

Skills

CI/CD
Performance tuning
Azure
Oracle
Computer Science
Kubernetes
Ansible
DevOps
Engineering
Encryption
UNIX
NoSQL
Google Cloud Platform
MongoDB
Bash (Unix shell)
Databases
SQL
AWS
Analysis skills
Docker
Bachelor's
PostgreSQL
Terraform
Scripting
Linux
Communication skills
Python
Shell Scripting
MySQL
High availability

Full job description

Position: Senior PostgreSQL System Administrator
Location : Markam, Canada
Mode of Work : Hybrid (3 days a week)

Job Summary:

We are seeking an experienced and highly skilled Senior PostgreSQL System Administrator with 5 to 7 years of hands-on experience in managing large-scale PostgreSQL environments. The ideal candidate will be responsible for database performance, optimization, scalability, and security across mission-critical systems. You will also mentor junior DBAs and support architectural decisions to ensure high availability and business continuity.

Key Responsibilities:

Lead the installation, configuration, and administration of PostgreSQL database servers across production and non-production environments.
Design and implement high availability (HA), disaster recovery (DR), and replication solutions.
Monitor and analyze database performance, identify bottlenecks, and fine-tune SQL queries and database configurations.
Perform database upgrades, patching, and migrations with minimal downtime.
Implement robust backup and recovery strategies using tools like pgBackRest, Barman, etc.
Ensure database security through access controls, auditing, and encryption.
Automate routine database tasks using shell scripting or Ansible.
Collaborate with development, infrastructure, and DevOps teams to design scalable database architectures.
Document procedures, standards, and best practices for database management.
Provide mentorship to junior DBAs and act as an SME for PostgreSQL in cross-functional teams.

Required Skills & Qualifications:

Bachelor's degree in Computer Science, Engineering, or a related field.
5 7 years of PostgreSQL DBA with MongoDb experience in production environments.
Deep understanding of PostgreSQL internals, architecture, and advanced features.
Versions: PostgreSQL V14
Proven experience with streaming/logical replication and clustering.
Expertise in performance tuning, query optimization, and index strategy.
Strong experience with backup and recovery tools and strategies.
Advanced knowledge of Linux/Unix systems and scripting (Bash, Python preferred).
Familiarity with monitoring tools like Prometheus, Grafana, or Zabbix.

Preferred/Good to Have:

Experience with containerization and orchestration tools (Docker, Kubernetes).
Knowledge of other database technologies (MySQL, Oracle, or NoSQL solutions).
Exposure to CI/CD pipelines and DevOps practices.

Soft Skills:

Excellent problem-solving, analytical, and troubleshooting skills.
Strong communication and documentation abilities.
Leadership and mentoring capabilities.
Proactive mindset with a focus on process improvements and automation

Quick apply

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Senior PostgreSQL System Administrator

IT Systems Specialist (Chinese Speaking Preferred)

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