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*
Acerca de Cognizant
Cognizant (Nasdaq: CTSH) es un creador de soluciones de IA y proveedor de servicios tecnológicos que conecta la inversión en IA con el valor empresarial mediante el desarrollo de soluciones de IA full‑stack para sus clientes. Su profundo conocimiento de la industria, junto con su experiencia en procesos e ingeniería, permite incorporar el contexto único de cada organización en sistemas tecnológicos que amplifican el potencial humano, generan resultados tangibles y mantienen a las empresas a la vanguardia en un entorno en constante cambio. Más información en cognizant.ai o @cognizant.
Información adicional sobre el empleo
La información sobre la compensación es exacta en la fecha de publicación de este anuncio. Cognizant se reserva el derecho de modificar esta información en cualquier momento, de conformidad con la legislación aplicable.
Es posible que se solicite a los solicitantes que asistan a entrevistas de forma presencial o mediante videoconferencia. Asimismo, durante cada entrevista, los candidatos podrán estar obligados a presentar un documento de identidad válido emitido por el estado o por el gobierno.
Cognizant es un empleador que ofrece igualdad de oportunidades. Su solicitud y candidatura no se evaluarán en función de la raza, el color, el sexo, la religión, el credo, la orientación sexual, la identidad de género, el origen nacional, la discapacidad, la información genética, el embarazo, la condición de veterano ni cualquier otra característica protegida por las leyes federales, estatales o locales.
