IT services, consulting, & staffing solutions provider
Senior Database Administrator (Oracle Application DBA / Cloud)
- Old Toronto
- |8 years of exp
- |Full Time
Posted: 1 week ago
Job Location
Old Toronto
Remote Work Policy
In office
Visa Sponsorship
Not Available
RelocationAllowed
Skills
PostgreSQL
PL/SQL
AWR
CI/CD
AWS DMS
Amazon Aurora
AWS SCT
Oracle Database 19c
Ash
ADDM
Oracle Database 12c
Execution Plan Analysis
Amazon RDS Oracle
Amazon RDS PostgreSQL
About the job
Senior Oracle Application DBA
Role Overview
We are seeking an experienced Senior Oracle Application DBA to optimize, scale, and maintain mission-critical database applications. This role partners closely with development and engineering teams to ensure high availability, optimal SQL/PL-SQL performance, and smooth database operations, while helping drive database modernization and cloud migration initiatives.
Key Responsibilities
- Collaborate with application development teams on data modeling, schema design, and deployment of complex PL/SQL packages, procedures, triggers, and views.
- Analyze execution plans, perform SQL query tuning, and optimize index structures to eliminate bottlenecks in high-throughput transactional environments.
- Lead database release automation, code reviews, and schema migrations across development, staging, and production environments.
- Monitor database application health, identify lock contention, resolve deadlocks, and troubleshoot latency issues.
- Partner with infrastructure and cloud teams to design, test, and execute on-premises to AWS cloud database migrations.
- Participate in database capacity planning, failover drills, and disaster recovery design.
Required Qualifications & Skills
- Oracle Application DBA Expertise: 8+ years specializing in Oracle Database (12c/19c+) application support, advanced PL/SQL programming, execution plan analysis, and performance diagnostics (AWR, ASH, ADDM).
- AWS & Cloud Databases: Practical experience administering managed database services, including Amazon RDS (Oracle/PostgreSQL) and Amazon Aurora.
- PostgreSQL: Hands-on working knowledge of PostgreSQL architecture, schema design, and performance optimization.
- Cloud Migration Experience: Strong, proven track record of migrating on-premises databases to AWS environments using tools such as AWS DMS, SCT, or native utilities.
- Collaboration & Release Management: Solid background in CI/CD integration for database deployments and working alongside Agile engineering teams.
Nice-to-Have Qualifications
- Experience with Oracle Exadata administration and performance tuning features (Smart Scan, Hybrid Columnar Compression).
- Proficiency in shell scripting (Bash) and automation using Python.
- Relevant AWS (e.g., AWS Certified Database – Specialty) or Oracle certifications.
