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Added 7 mins ago
D
Java / Python Engineer
Dexian
Mississauga, ON
- $60 to $65 CAD / hour
- Contract
Position Name - Senior Java Software Engineer
Added 7 mins ago
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Senior Principal, Transformation Management
Slalom
Toronto, ON · Greater Toronto Area, Canada
- Full-time
You will serve as a senior advisor to client executives and Slalom leaders, connecting strategic ambition to practical delivery. You will oversee multifaceted transformation journeys,…
Added 7 mins ago
ES
Senior Data Engineer
Exchange Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The Senior Data Engineer reports to the Director, Information Technology Operations and designs, builds, and scales the data systems that support analytics, AI-enabled experiences, and…
Added 7 mins ago
HC
Senior Real-Time Solver Development Expert – Power Systems & Power Electronics
Huawei Canada
Toronto, ON
- Full-time
…innovative research in 5G and advanced development of emerging cloud, device, and network technologies and services. The renowned Canada Research Centre in Ottawa anchors this effort,…
Added 7 mins ago
JG
Sr .Net developer
J&M Group
Montreal, QC
- Contract
We are looking for a Senior .NET Developer with strong C#, .NET/.NET Core, REST/SOAP APIs, application support, and OpenShift experience.
Added 7 mins ago
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Senior Software Developer
Botpress
Montreal, QC
- Full-time
As a Senior Software Developer at Botpress, you'll be at the forefront of developing innovative solutions that drive the future of conversational AI. As a senior member of the engineering…
Added 22 mins ago
T
Senior Python Test Automation Engineer
Telesat
Ottawa, ON
- Full-time
We are seeking a senior Python Automation Engineer to design, build, and maintain scalable test automation frameworks for distributed, event-driven applications. This is a hands-on…
Added 22 mins ago
A
Technology - Senior Architect/Architect, Cybersecurity
Aritzia
Vancouver, BC
- Full-time
…opportunity to be part of the team responsible for designing, engineering, and enabling secure technology solutions that protect Aritzia’s systems and data, reduce cybersecurity risk, and…
Added 37 mins ago
A
Technology - Senior Architect/Architect, Cybersecurity
Aritzia
Vancouver, BC
- Full-time
…opportunity to be part of the team responsible for designing, engineering, and enabling secure technology solutions that protect Aritzia’s systems and data, reduce cybersecurity risk, and…
Added 37 mins ago
TC
Agentic AI Engineer
Tata Consultancy Services
Mississauga, ON
- $100,000 to $130,000 CAD / year
- Full-time
Senior years of software engineering experience, including 5+ years designing and building enterprise AI/ML platforms.
Added 37 mins ago
NB
Senior Data Engineer
National Bank of Canada
Montreal, QC
- Full-time
A career as a Senior Developer in Data Engineering on the Financial crime and regulatory projects team at National Bank means serving as a Data Analytics Specialist. This position allows…
Added 52 mins ago
Senior Director, Product Management
Electronic Arts
Vancouver, BC
As a Senior Director of Product Management in the Game Developer Experiences (GDX) team, you will lead a team of product managers and partner with engineering leaders across a product…
Added 52 mins ago
C
Senior Project Manager – Operational Systems & Digital Solutions
CIMA+
Mississauga, ON · Toronto, Ontario
- $125,440 to $172,440 CAD / year
- Full-time
…and sustainability of critical infrastructure, systems, and engineering projects. Leveraging expertise in cybersecurity, telecommunications, IT/OT convergence, intelligent automation,…
Added 52 mins ago
C
Applications Engineering Lead - Senior Vice President
Citi
Mississauga, ON
- Full-time
The Applications Development Engineering Lead is a senior level position responsible for establishing and implementing new or revised application systems and programs while driving…
Added 1 hour ago
XI
Director of Procurement
Xplore Inc.
Markham, ON
- Full-time
…technology, operations and corporate spend, and act as the company's senior authority on sourcing, contracting and supplier…
Added 1 hour ago
AS
Senior Solution Architect – AWS / .NET / Angular / React
Aequilibrium Software Inc.
Remote, Canada
- Contract
- Remote
…architecture of a high-impact public-sector platform, influence cloud technology decisions, and collaborate with experienced engineering teams on a meaningful digital transformation…
Added 1 hour ago
JC
Senior Machine Learning Engineer - (Biometrics)
Jumio Corporation
Montreal, QC
- Full-time
We’re looking for a Staff/Senior Machine Learning Engineer with deep expertise in computer vision and biometrics to lead the design and scaling of face recognition systems in production.…
Added 1 hour ago
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Technical Program Manager
PointClickCare
Mississauga, ON
- Full-time
Bridge strategy to execution: Facilitate alignment between senior product, design, and engineering leaders - making trade-offs visible, decisions explicit, and accountability shared.
Added 1 hour ago
BI
Pega Lead System Architect @ Toronto, Canada Hybrid
BURGEON IT SERVICES
Toronto, ON
- Contract
…translates business needs into scalable solution designs, guides engineering teams, and ensures that applications are secure, performant, maintainable, and aligned with Pega guardrails and…
Added 1 hour ago
AI
Quality Engineer (QE) / SDET – AI Chatbot Validation
Apptoza Inc.
Toronto, ON
- Contract
We are looking for a seasoned AI first Senior Quality Engineer who is empowered to help the DevOps enablement team deliver highest level quality and is responsible for ensuring the team…
Added 1 hour ago
C
Senior Project Manager – Operational Systems & Digital Solutions
CIMA+
Toronto, ON
- $125,440 to $172,440 CAD / year
- Full-time
…and sustainability of critical infrastructure, systems, and engineering projects. Leveraging expertise in cybersecurity, telecommunications, IT/OT convergence, intelligent automation,…
Added 1 hour ago
C
Senior Project Manager – Operational Systems & Digital Solutions
CIMA+
Mississauga, ON
- $125,440 to $172,440 CAD / year
- Full-time
…and sustainability of critical infrastructure, systems, and engineering projects. Leveraging expertise in cybersecurity, telecommunications, IT/OT convergence, intelligent automation,…
Added 2 hours ago
AS
Openshift Engineer
Apex Systems
Toronto, ON
- $50 to $60 USD / hour
- Full-time
Apex Systems is seeking a Senior OpenShift / Kubernetes Platform Engineer to support a large enterprise banking client within a growing container platform team. This is a hands-on…
Added 2 hours ago
PG
Senior Oracle Database Administrator
Pacer Group
Toronto, ON
- $60 to $65 CAD / hour
- Contract
AWS Cloud Databases Practical experience administering managed database services including Amazon RDS (Oracle | PostgreSQL) and Amazon Aurora.
Added 2 hours ago
AI
Senior Oracle Database Administrator
Apptoza Inc.
Toronto, ON
- Contract
5.Partner with infrastructure and cloud teams to design| test| and execute on-premises to AWS cloud database migrations.

Epsilon Solutions Ltd.

Senior Oracle Application Database Administrator

Toronto, ON, Canada

Full-time

Apply About employer

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Job details

Job type: Full-time
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

Title: Senior Database Administrator

Location: Toronto, ON (Hybrid)

Terms: Full Time

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 our database modernization and cloud migration strategy.

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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More about this job

Responsibilities

Optimize and maintain mission-critical Oracle application databases, including PL/SQL development, SQL tuning, release automation, schema migrations, and troubleshooting performance and availability issues. Collaborate with development, infrastructure, and cloud teams on AWS migrations, capacity planning, failover testing, and disaster recovery.

Requirements

Requires 8+ years of Oracle application DBA experience, including advanced PL/SQL, performance diagnostics, and Oracle Database support. Candidates should also have practical AWS managed database and PostgreSQL experience, a proven record of migrating databases to AWS, and familiarity with CI/CD and Agile teams.

Skills

Oracle Database Administration
PL/SQL Programming
SQL Performance Tuning
Execution Plan Analysis
AWR, ASH, And ADDM
Amazon RDS
Amazon Aurora
PostgreSQL
AWS Database Migration
AWS DMS
AWS SCT
Database CI/CD
Schema Design
Database Release Management
Disaster Recovery
Bash And Python Automation

Visa sponsorship

Not detected in the job text

Keywords

Oracle Database
Oracle 12c
Oracle 19c
PL/SQL
SQL Tuning
Execution Plans
AWR
ASH
ADDM
Amazon RDS
Amazon Aurora
PostgreSQL
AWS
AWS DMS
AWS SCT
Cloud Migration
Schema Design
Data Modeling
Database CI/CD
Agile
Database Release Automation
Schema Migration
Lock Contention
Deadlock Troubleshooting
Capacity Planning
Failover
Disaster Recovery
Oracle Exadata
Bash
Python

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