Oracle Database Administrator

Tata Consultancy Services; Toronto; On-site; CAD 90,000 - 140,000; Full time

Job summary

Tata Consultancy Services Canada Inc. is seeking an experienced Oracle Database Administrator to join our team in Toronto.

You will collaborate with application teams on data modeling and deployment of complex PL/SQL packages, while steering migrations to AWS and supporting production environments. The role requires deep Oracle expertise (12c/19c+), strong performance tuning skills, and experience with CI/CD for database deployments.

Qualifications

• 5+ years of Oracle DBA experience in enterprise environments.
• Experience with on-premises to AWS cloud migrations and RDS/Aurora.
• Strong PL/SQL programming and performance diagnostics (AWR/ASH/ADDM).
• Proficiency in CI/CD pipelines for database deployments and offshore collaboration.

Responsibilities

• Collaborate with development teams on data modeling, schema design, and PL/SQL deployment.
• Analyze execution plans, tune SQL, and optimize index structures for high-throughput workloads.
• Lead database release automation, code reviews, and schema migrations across environments.
• Monitor database health, resolve deadlocks, and troubleshoot latency issues.
• Plan and execute cloud migrations to AWS using DMS, SCT, and native tools.
• Participate in capacity planning, failover drills, and disaster recovery design.
• Support production deployments and maintenance outside regular hours.
• Maintain Oracle Exadata familiarity and perform tuning (EXADATA features).
• Automate tasks with shell scripting (Bash) and Python-based tooling.
• Obtain relevant AWS or Oracle certifications and work with offshore teams.

Skills

Oracle DBA

AWS RDS

PostgreSQL

CI/CD for databases

Shell scripting

Python

Oracle 12c/19c

Tools

AWS SCT

DMS

RMAN

AWR

Job description

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.

TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.

Job Description :-

Role and 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.
• Support production deployment and other maintenance activities over weekend and “after office” hours on weekdays as needed.
• Senior years of experience in Oracle Database Administration
• Oracle Application DBA Expertise: good 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.
• Ability to work with offshore teams for maintenance and production support activities

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

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period.