Oracle Exadata DBA Architect (Oracle RAC, Data Guard, RMAN)

Cognizant; Mississauga; Hybrid; CAD 70,000 - 109,000; Full time

Job summary

Cognizant in Mississauga, Ontario, seeks an Oracle Exadata DBA Architect to lead design, implementation, and support of Exadata environments. Expertise in RAC, Data Guard, RMAN, and performance tuning is required for high availability and scalability.

Key responsibilities include deploying and upgrading Exadata, monitoring with AWR/ASH, implementing backup strategies, and collaborating across teams to deliver secure, resilient database platforms and automation improvements.

Qualifications

• Hands-on Exadata administration incl patching, tuning, capacity planning, and backup/recovery.
• Expertise in Oracle RAC, ASM, RMAN, Data Guard, Exadata Storage Servers, CellCLI, and DCLI.
• Knowledge of Oracle Database architecture including multitenant, compression, and resource management.
• Experience with high-availability and disaster recovery solutions.
• Proven database infrastructure architecture across storage, networking, and OS.
• Strong troubleshooting using AWR/ASH/ADDM and SQL tuning.
• Linux/Unix administration and automation using Shell, Python, or Ansible.

Responsibilities

• Design and architect Oracle Exadata solutions aligned with enterprise standards and business requirements.
• Administer and support Oracle RAC, ASM, RMAN, Data Guard, and Exadata Storage Servers.
• Lead Exadata deployments, migrations, upgrades, patching, and capacity planning initiatives.
• Monitor and optimize database performance using AWR, ASH, ADDM, and SQL tuning techniques.
• Develop high availability, disaster recovery, backup, and recovery strategies.
• Perform Exadata health checks, lifecycle management, and operational governance.
• Collaborate with infrastructure, security, application, and business teams to deliver resilient and secure database platforms.
• Drive continuous improvement through automation, operational standardization, and architectural enhancements.

Skills

Oracle Exadata

Oracle RAC

RMAN

Data Guard

Performance Tuning

AWR/ASH/ADDM

Shell Scripting

Python

Ansible

Linux/Unix

CellCLI

DCLI

Tools

Exadata Storage Servers

CellCLI

DCLI

Job description

Oracle Exadata DBA Architect (Oracle RAC, Data Guard, RMAN)

Location: Mississauga, Ontario (Hybrid) 3 days in office

Experience: 8-12 + years

Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.

Seeking an experienced Oracle Exadata DBA Architectto lead the design, implementation, optimization, and support of enterprise Oracle Exadata environments. The ideal candidate will possess deep expertise in Oracle Exadata, RAC, Data Guard, RMAN, and database performance tuning, with a strong focus on high availability, scalability, and operational excellence.

Key Responsibilities

• Design and architect Oracle Exadata solutions aligned with enterprise standards and business requirements.
• Administer and support Oracle RAC, ASM, RMAN, Data Guard, and Exadata Storage Servers.
• Lead Exadata deployments, migrations, upgrades, patching, and capacity planning initiatives.
• Monitor and optimize database performance using AWR, ASH, ADDM, and SQL tuning techniques.
• Develop high availability, disaster recovery, backup, and recovery strategies.
• Perform Exadata health checks, lifecycle management, and operational governance.
• Collaborate with infrastructure, security, application, and business teams to deliver resilient and secure database platforms.
• Drive continuous improvement through automation, operational standardization, and architectural enhancements.

Required Qualifications

• Strong hands-on experience administering Oracle Exadata environments, including patching, performance tuning, capacity planning, and backup/recovery strategies.
• Expertise in Oracle RAC, ASM, RMAN, Data Guard, Exadata Storage Servers, CellCLI, and DCLI.
• Strong knowledge of Oracle Database architecture, including multitenant databases, advanced compression, and resource management.
• Experience designing and implementing high-availability and disaster recovery solutions.
• Proven experience in database infrastructure architecture, including storage, networking, and operating systems.
• Strong troubleshooting and performance diagnostics skills utilizing AWR, ASH, ADDM, and SQL tuning.
• Experience with Linux/Unix administration and automation using Shell, Python, or Ansible.

Preferred Qualifications

• Experience automating Exadata operations and deployments.
• Exposure to cloud and hybrid architectures integrating Oracle Exadata with enterprise platforms and analytics ecosystems.
• Experience working with cross-functional teams in large-scale enterprise environments.

Oracle Exadata, Oracle RAC, Oracle ASM, Oracle Data Guard, Oracle RMAN, Exadata Storage Servers, CellCLI, DCLI, Performance Tuning, AWR, ASH, ADDM, SQL Tuning, Linux, Unix, Shell Scripting, Python, Ansible.

Work model:

At Cognizant, we strive to provide flexibility wherever possible, and we are here to support a healthy work-life balance though our various wellbeing programs. Based on this role’s business requirements, this is a Hybrid position in Canada.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

We're excited to meet people who share our mission and can make an impact in a variety of ways.

Salary and Other Compensation

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Compensation: we are offering an annual salary between $69,750-$109,000

Disclaimer: The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

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