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Posted 3 days ago

Senior Database Administrator (Oracle Application DBA / Cloud)

@ Astra North Infoteck Inc.

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Toronto, Ontario

8+ years experience
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SIGNALS

Overview

Astra North Infoteck Inc. is hiring a Senior Oracle Application DBA to optimize, scale and maintain mission-critical database applications. The role covers PL/SQL development support, query tuning, release automation and on-premises to AWS cloud migrations.

Responsibilities:

  • Collaborate with developers on schema design and PL/SQL deployments
  • Analyze execution plans and tune SQL and indexes
  • Lead database release automation and schema migrations
  • Monitor database health and resolve locks and deadlocks
  • Execute on-premises to AWS cloud database migrations

Requirements summary:

  • 8+ years Oracle Application DBA experience
  • Advanced PL/SQL and performance diagnostics (AWR, ASH, ADDM)
  • Practical Amazon RDS and Aurora administration
  • PostgreSQL schema design and optimization
  • Proven AWS database migration track record
  • CI/CD and Agile team collaboration

Tools & skills

Oracle DatabasePostgreSQLAmazon RDSAmazon AuroraAWS DMSAWS SCTAWRASHADDM
Source and dates

Source type not verified · zoho

Employer posting date
2026-11-03
First seen by our source
2026-11-03
Source record updated
2026-11-04

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentIT
Experience8+ years
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

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Astra North Infoteck Inc.

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Job description

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.

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