ROLE SUMMARY
The Oracle DB Patching Tower Lead (Onshore) is the primary Oracle interface to client DBA L2/L3 and application owners during Canada hours. This role owns quarterly PSU/RU and CPU patch cycles across 20,700+ Oracle DB instances — including RAC Grid Infrastructure rolling patches, ASM considerations, Data Guard switchovers, and OPatch/opatchauto execution. Deep Oracle DBA patching expertise is mandatory, along with strong change governance and cross-team coordination.
ROLE IN THE OPERATING MODEL
▸ Tower/pod lead and SME for Oracle patching — primary Oracle interface to client DBA L2/L3 and application owners during Canada hours and weekend windows
▸ Coordinates application-owner sign-off post-patching; owns Oracle tower compliance reporting to the Patch Service Lead
▸ Operates as Oracle execution layer under client direction; database design and engineering remain client DBA L2/L3 owned
▸ Directs offshore Oracle SMEs during onshore hours; manages escalation within agreed SLTs
KEY RESPONSIBILITIES
▸ Plan and execute Oracle quarterly PSU/RU and CPU security patches via OPatch/opatchauto and datapatch
▸ Perform Grid Infrastructure/RAC rolling patching with ASM and Data Guard considerations to minimise disruption
▸ Take pre-patch RMAN backups, run health checks, validate post-patch, and roll back PSU/RU on failure
▸ Track DB CVEs, version currency, and EOL/EOS (e.g., 12c → 19c migration need); maintain compliance and update CMDB/KEDB
▸ Coordinate with client DBA L2/L3 and application owners for sign-off; perform RCA for patch failures
▸ Author RFC/CAB submissions for Oracle patch waves; align with client quarterly release calendar
▸ Own Oracle tower compliance reporting; present KPIs to the Patch Service Lead for governance reviews
TECHNICAL ACTIVITIES FOR THE SCOPE
▸ Execute Oracle quarterly PSU/RU and CPU patches via OPatch/opatchauto and datapatch across standalone, RAC, and Data Guard environments
▸ Perform GI/RAC rolling patching — node-by-node execution, cluster resource validation, ASM disk group health checks
▸ Take pre-patch RMAN backups; run INVALID object recompilation and listener restart post-patch
▸ Execute OPatch conflict analysis and prerequisite checks; manage opatch prereq failure workarounds
▸ Roll back PSU/RU on failure; document RCA and update KEDB
▸ Track Oracle CPU release schedule (Jan/Apr/Jul/Oct) and plan waves 4–6 weeks in advance
▸ Author RFC/CAB documentation; coordinate maintenance window scheduling with DBA teams
SKILLS, TOOLS & COMPETENCIES
Primary Skills
DB Platforms | Oracle 11g/12c/19c/21c · Oracle RAC · Oracle Data Guard · Oracle GI (Grid Infrastructure) · ASM |
Patching Tools | OPatch · opatchauto · datapatch · OJVM patching · PSU/RU/CPU/GDR patch types · Conflict detection |
Automation | Bash/Shell scripting · Ansible Oracle roles · Python DBA scripts · opatchauto orchestration |
ITSM & Vuln | ServiceNow (Change/CMDB) · Tenable · Qualys · RFC/CAB · KEDB management |
Observability | Oracle Enterprise Manager (OEM) · Splunk · Dynatrace · Moogsoft · AWR/ASH awareness |
Secondary Skills
▸ SQL/PL-SQL fundamentals and shell scripting for Oracle automation
▸ Oracle Exadata / Engineered Systems awareness
▸ Multitenant architecture (CDB/PDB) patching awareness
▸ Cloud DB (OCI/Azure) fundamentals
CERTIFICATIONS
Mandatory
▸ ITIL 4 Foundation
Preferred (one or more)
▸ Oracle Certified Professional (OCP) — Oracle Database 19c (mandatory preference)
▸ Oracle Certified Associate (OCA) acceptable at SME level; Oracle Certified Master (OCM) a strong plus
▸ Oracle RAC / Grid Infrastructure Specialist credential
▸ Oracle Cloud Infrastructure (OCI) certification — advantageous
NICE TO HAVE
▸ Experience patching Oracle in financial services with high-availability, zero-downtime requirements
▸ Oracle Exadata patching experience
▸ OEM 13c grid monitoring operational experience
WORK MODEL & COMMITMENT
Hours | Canada business hours + weekend change window coverage |
Shift Model | Hybrid onshore; quarterly PSU cycles and weekend maintenance windows |
On-Call | Yes — emergency Oracle CVE response and RAC failover events |
Language | English (mandatory) |
Compensation: We are offering between $60,000 – $85,000. Applications will be accepted until Aug 21, 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*
コグニザントについて
コグニザント（NASDAQ: CTSH）は、AI Builderおよびテクノロジーサービスプロバイダーとして、お客様にフルスタックのAIソリューションを構築することで、AI投資と企業価値を結ぶ架け橋となっています。業界、ビジネスプロセス、エンジニアリングに関する当社の深い専門知識を活かし、組織固有のビジネス環境をテクノロジー・システムに組み込みます。これにより、人間の可能性を最大限に引き出し、確かな成果を実現するとともに、急速に変化する世界においてグローバル企業が常に一歩先を行くための支援を行っています。 詳細については、cognizant.ai をご覧ください。
雇用に関する追加情報
本募集に記載されている報酬情報は、掲載日時点で正確なものです。Cognizantは、適用される法令に従い、いつでも本情報を変更する権利を留保します。
応募者は、対面またはビデオ会議による面接への参加を求められる場合があります。また、各面接の際に、現在有効な州政府または政府発行の身分証明書の提示を求められる場合があります。
Cognizantは機会均等雇用主です。応募および選考において、人種、肌の色、性別、宗教、信条、性的指向、性自認、国籍、障がい、遺伝情報、妊娠、退役軍人の地位、その他連邦法・州法・地方自治体の法律により保護されるいかなる特性に基づく差別も行いません。
