About the group:
Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about accepting digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the constantly evolving needs of the digital era. Our broad approach delivers key results for our customers by achieving cloud driven modernization and workplace and operational transformation to own the business in a secure environment.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
Role: Senior ORACLE DBA
Location: Toronto , ON
Roles/Responsibilities
Mandatory Skills: Oracle, Db2
· Monitoring & health checks – Monitor instance/database availability, tablespace and archive log space, alert logs (Oracle) or diagnostic logs (DB2), and job/scheduler status using OEM, DB2 Health Monitor, or third-party tools (Nagios/SCOM).
· Incident/ticket handling – Own L1 tickets independently (connectivity issues, login/access requests, job failures, space alerts) and escalate deep performance tuning, corruption, or RAC/pureScale issues to L2/L3.
· Backup & recovery operations – Execute and verify RMAN backups (Oracle) or db2 backup/db2 restore (DB2) jobs; perform restores/recoveries on request, validate backup completion via logs, and confirm archive log management (archive log list, DB2 log archiving) is functioning.
· Space & log management – Monitor and extend tablespaces/datafiles (Oracle) or table spaces/containers (DB2); manage redo log switches and archive destinations (Oracle) or transaction log space (DB2), resolving "tablespace full" or "log full" alerts per runbook.
· Basic performance troubleshooting – Identify blocking sessions/locks using v$session, v$lock (Oracle) or db2pd, LIST APPLICATIONS (DB2); kill blocking sessions per SOP, spot long-running or high-resource SQL, and escalate execution-plan/tuning issues to L2.
· User & access management – Create/modify users and roles (CREATE USER, GRANT/REVOKE in Oracle; GRANT/REVOKE authorities/privileges in DB2), manage profiles, and handle password resets under change-control.
· Maintenance tasks – Run statistics gathering (DBMS_STATS in Oracle, RUNSTATS in DB2), index rebuilds/reorgs (REORG in DB2), integrity checks, and assist with patching (PSU/RU for Oracle, fix packs for DB2).
· Documentation & change execution – Maintain SOPs, log root causes for recurring issues, update knowledge base, and implement pre-approved schema/config changes during change windows with rollback plans ready.
Compensation: We are offering between $90,000 – $110,000. Applications will be accepted until Oct 9, 2026.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.
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.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
Additional employment information
Compensation 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.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
Applicants must be currently authorized to work for any employer in the United States. The company is unable to provide employment-based immigration sponsorship for this position.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
