PostgreSQL & Oracle DBA required Leicester, UK

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Could the below advert please be posted:

Cromwell, based in Leicester, United Kingdom seeks an experienced DBA to join our established in-house DBA team to help support our UK and Global business operations.
The primary objective is to oversee and maintain all aspects of the company's database estate - the security, design, deployment, optimisation, and ongoing monitoring, maintenance & support.
This encompasses our on-prem UK & Global business operations and a steady migration into cloud hosted solutions.
The DBA role will further provide best practise advice and hands-on support to other IT and Analytic data sections that utilise business data.

Key Responsibilities:
*       Become an active DBA team member to jointly support database operations day to day.
*       Working predominantly with PostgreSQL v9+, to a lesser extent with Oracle 12c, MSSQL & MySQL
*       Engage in DBA related projects to design, configure, and deploy new solutions.
*       Undertake regular database patching & upgrades to minor or major versions as required.
*       Work with InfoSec to ensure databases and data management is consistent with current security, compliance, policies, and legislation.
*       Work with other core IT and Data teams to ensure they can function as per their needs.
*       Work with App Support to deploy new ERP and related SQL updates.
*       Work with Manhattan WMS Support to deploy SQL updates.
*       Ensure databases are monitored and remain available and optimal per day.
*       Ensure DR, HA & Standby databases are monitored and remain synchronous.
*       Provide Dev, QA & Test environment databases or data refreshes as per requested.
*       Troubleshoot database issues, resolving withing expected RTO.
*       Use diagnostics and statistics to baseline & improve existing queries, functions and enhance runtime performance.
*       Database maintenance - backup & recovery, maintaining replication, pglogical and hot standby clusters.
*       Database optimisation - indexing, analysing, bloat management, and vacuuming.
*       Database monitoring - actively monitor and react.  Add new service checks.
*       Ticketing - organise, prioritise and service DBA related tickets within SLA.
*       Work with Digital to ensure AWS cloud-based databases are active, are backed up and remain highly available - Mostly MongoDB, RDS & Aurora Postgres.
*       Work with Analytics, Data warehousing and the warehouse teams to ensure their own systems are available & optimal per day.
*       Document Databases in terms of their use and build details, their configuration, and parameters.  Maintain current DR documentation.
*       Provide support in and out of working hours as part of a formal support rota.
*       Explore and recommend new features, upgrades or technology that may improve or benefit existing operations.

Key Skills & Experience:
*       Previous commercial experience as a DBA in a multi-tech database environment.
*       Proven track record in managing large deployments, DR and HA database environments.
*       Must have good understanding & hands-on experience of Linux OS (Redhat & Ubuntu) and Windows Server (2012+).
*       Must have Linux Shell scripting - ability to understand & write scripts in support of DBA related tasks.
*       Knowledge of Database security principles - excellent awareness of AAA Security model, its application & use.
*       Broad experience of performance tuning of host hardware & databases.
*       Broad knowledge of HA, backup & recovery, and replication methodologies.
*       Ability to understand, write, diagnose, and optimise all qualities of SQL code.
*       ANSI SQL knowledge.
*       Strong continuous improvement & problem-solving skills.
*       Good verbal and written communication, facilitation, and interpersonal skills.
*       Required - Extensive experience of Postgres v9+ (Design, implementation, and support in a HA environment):
        o       Working with Postgres to design, architect and create new solutions.
        o       Working with Postgres in support of existing in-house & 3rd party applications.
        o       Working with Postgres as an ETL / intermediate in support of Salesforce API feeds, Elastic, and other upstream systems.
        o       Extensive experience in using Postgres Features & Extensions, such as pgagent, parallel processing, foreign tables and materialized views.
        o       Excellent experience in configuring, deploying, and maintaining pglogical data replication.
        o       Postgres specific backup, recovery, and data replication techniques.
*       Desired - Experience of Oracle 12c (Design, implementation, and support in a HA environment):
        o       Oracle OEM, DataGuard & Datapump.
*       Desired - Experience of AWS databases (RDS & Aurora Postgres, MongoDB)
*       Desired - Experience of MSSQL & MySQL.
*       Desired - Prior experience using ETL Tools such as Talend, WebMethods or Mulesoft.
*       Desired - Awareness of Data warehousing, Qlik reporting and data mining principles and use.

Working for Cromwell:
Cromwell is a long established and fast growing global company with over 2000 staff and operations across 4 Continents.
We offer the option to work from home or from our Leicester HQ.  Remote workers are required to be within a commutable distance of Leicester UK.

Visit us here:

Interested in joining us:
Please visit our Careers Portal (

Natalie Spence
HR Business Partner

T: 07920 257327

This email is intended for the named recipient. The information contained in it is confidential. You should not copy it for any purposes nor disclose its contents to any other party. If you received this email in error, please notify the sender immediately via email and delete it from your computer. Any views or opinions presented are solely those of the author and do not necessarily represent those of the company.

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Cromwell Tools Limited, PO Box 14, 65 Chartwell Drive
Wigston, Leicester LE18 1AT. Tel 0116 2888000
Registered in England and Wales, Reg No 00986161
VAT GB 115 5713 87 900

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