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Dean CoxDC

Dean Cox

Senior Oracle Engineer / Consultant

€636/day
London, GB
15+ years

Average response time: 1 hour

About Dean

An innovative and accomplished Senior Oracle Engineer, DBA, Exadata Sysadmin with extensive expertise across Development, Infrastructure and Engineering. Proficient in working with large enterprise database fleets to enhance operation, reliability, performance and security. An analytical approach with attention to detail that overcomes complex problems and drives improvements. A go-to person who provides guidance and support to colleagues.

Have worked in the Insurance and Financial Services sectors, in fast changing, diverse and highly regulated environments.
  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Deutsche Bank
    Oracle Engineer / Consultant
    BANKING AND INSURANCE
    February 2025 - December 2025 (10 months)
    London, United Kingdom
    the database estate. /
    • Integrated company access systems into the Exadata platform to manage and control temporary privileged access to hosts, closing out permanent privileged access audit violations.
    • Resolved many critical database issues in a timely manner to circumvent financial and operational business impact. Joined a large Engineering team with mature Agile development methodology.
    • Implemented stability and resilience improvements to the in-house automated solution for Database patching for Exadata Cloud@Customer.
    • Bugfixes and enhancements to ansible playbooks used for automation
    • Liaised with Oracle to feedback bugfixes and enhancements for Fleet Update patch automation. Documented formal evaluation feedback to Oracle.
    • Supported DBA team to test Oracle Key Vault migration solution.
    Ansible OCI automation Oracle Engineer Oracle Exadata
  • Microsoft
    Oracle Consultant
    TECH
    January 2025 - January 2025
    London, United Kingdom
    Parachuted in at the final phase of the project to represent Microsoft as a MSFT DBA with the end client. Successfully executed the assignment in record time to get the project over the line before year end.
    • Wrote internal Microsoft documentation for future use in Oracle Database@Azure projects.
    • Built Oracle Database@Azure Exadata Infrastructure and VM clusters.
    • Migrated 260TB database from client on-prem to Microsoft Azure Datacentre in 22 hours.
    • Provided daily status updates with the end client for the Oracle build activities on behalf of Microsoft.
    • Partnered with Oracle to resolve issues with the Oracle Database@Azure Infrastructure.
    Oracle Database@Azure Microsoft Azure Oracle DBA Oracle Engineer Migrations
  • Credit Suisse (now part of UBS Group)
    Senior Oracle Engineer
    BANKING AND INSURANCE
    April 2019 - August 2024 (5 years and 4 months)
    Exadata patching and support as well as working with Oracle FEs to deploy new Exadata OnPrem Infrastructure.
    • • Produced OEDA documents for new Exadata installs and partnered with Oracle to deploy and extend Exadata hardware.
    • • Led the Exadata patching and support in EMEA and AMER regions for full stack patching of Exadata systems (20.x, 21.x,22.x). Ensuring up to date, stable and secure infrastructure.
    • • Integrated Credit Suisse security standards into Exadata platform and Credit Suisse ecosystems into Exadata platform.
    • • Developed utilities to integrate OEM and OID EUS (Enterprise User Security) with Active Directory to provision accounts.
    • • Performance tuning of OID to eliminate connection issues.
    • • 3rd line support for complicated database performance issues.
    • • Resolved security and audit violations across the Oracle estate.
    Oracle Engineer Database Management (e.g., SQL, NoSQL) Oracle Exadata Migrations Exadata

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Education

  • BEng
    City University
    BEng
  • Oracle Cloud Infrastructure 2025 Certified Multicloud Architect Professional
    Oracle Cloud Infrastructure 2025 Certified Multicloud Architect Professional

Skill set

Categories