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jobs
Chris Carr
,
BISHOPS STORTFORD, United Kingdom
Experience
Other titles
Skills
I'm offering
Markets
United Kingdom
Language
German
Good
English
Fluently
My experience
2019 - ?
temp
Systems Database Engineer/Full stack DevOps Engineer
BP Ltd.
(Contract)
• Responsible for migration of gas trading application databases from legacy on premise Oracle database to AWS RDS instance.
• Development of Jenkins pipeline and ansible tower roles and jobs to allow developers to perform self-service refreshes of development and test databases.
• Development of Jenkins pipeline to generate reduced size data sets enabling faster automated testing sequences.
• Ongoing development and support of engineered database solutions.
• Responsible for migration of gas trading application databases from legacy on premise Oracle database to AWS RDS instance.
• Development of Jenkins pipeline and ansible tower roles and jobs to allow developers to perform self-service refreshes of development and test databases.
• Development of Jenkins pipeline to generate reduced size data sets enabling faster automated testing sequences.
• Ongoing development and support of engineered database solutions.
AWS, Oracle, Jenkins, DevOps, Database, Oracle database, Test, Service, Support, Testing, Development
2010 - 2019
temp
Senior Database Administrator
London Stock Exchange Group.
(Contract)
• Primary DBA responsible for configuration and support of new trading platform, and support of existing Oracle Systems.
• Environment: Oracle 10g, 11gR1,11gR2, 12cR1 RAC, Grid control, Linux 64 bit, Windows 2008 Dataguard, RMAN, SQL Server 2008, Subversion, Puppet, Ansible, OpenStack, python
• Responsible for install, configuration and on-going management of Oracle Grid Infrastructure and RAC databases to support new trading platform.
• Lead Dba architect on migration of London Clearing House to New Oracle based platform, deploying the full Oracle grid infrastructure and RDBMS stack using Ansible.
• Creation of python API to simplify automated creation of full stack test environments on OpenStack, allowing automated testing of application upgrades and Disaster recover simulation.
• Ongoing support of existing Oracle Data Warehouse environment.
• Performance tuning of Oracle database instances and assisting development teams in identifying code bottlenecks and improvements.
• Development puppet modules and then migration to Ansible for deployment and configuration of Oracle Clusterware and RDBMS, including deployment of databases, users and database diagnostic and management tools and scripts.
• Development of tools for in depth analysis of 10046 event traces.
• Implementation of 3TB SQL server 2008 database used by message audit system, maintaining three days of data using a sliding partition window.
• Primary DBA responsible for configuration and support of new trading platform, and support of existing Oracle Systems.
• Environment: Oracle 10g, 11gR1,11gR2, 12cR1 RAC, Grid control, Linux 64 bit, Windows 2008 Dataguard, RMAN, SQL Server 2008, Subversion, Puppet, Ansible, OpenStack, python
• Responsible for install, configuration and on-going management of Oracle Grid Infrastructure and RAC databases to support new trading platform.
• Lead Dba architect on migration of London Clearing House to New Oracle based platform, deploying the full Oracle grid infrastructure and RDBMS stack using Ansible.
• Creation of python API to simplify automated creation of full stack test environments on OpenStack, allowing automated testing of application upgrades and Disaster recover simulation.
• Ongoing support of existing Oracle Data Warehouse environment.
• Performance tuning of Oracle database instances and assisting development teams in identifying code bottlenecks and improvements.
• Development puppet modules and then migration to Ansible for deployment and configuration of Oracle Clusterware and RDBMS, including deployment of databases, users and database diagnostic and management tools and scripts.
• Development of tools for in depth analysis of 10046 event traces.
• Implementation of 3TB SQL server 2008 database used by message audit system, maintaining three days of data using a sliding partition window.
Windows, Oracle grid infrastructure, Sql server 2008, OpenStack, Tuning, Audit, Administrator, Server, Development, Testing, Infrastructure, Support, Implementation, Test, Sql, Oracle database, Management, Event, Subversion, Data Warehouse, Database, Deployment, Audit, Oracle, SQL Server, Linux, API, Python
2009 - 2010
temp
Database Administrator
EDS/HP.
(Contract)
• Working as part of DBA team providing project and production support primarily for ABN Amro and RBS systems.
• Environment: Oracle 10g, 11g, RAC, Grid control, Linux 32 and 64 bit, Dataguard, RMAN.
• Working as DBA on ABM Amro project duplicating online and mid office databases using RMAN cloning, Dataguard and datapump.
• Capacity planning and review, ensuring ongoing database growth and service introduction would not threaten the availability of services.
• Creation and support of development and test environments on grid infrastructure.
• Gathering and defining recovery and availability requirements for critical systems to ensure service continuity meets the business requirements.
• Troubleshooting and resolving performance issues in process to spilt ABN AMRO and RBS customer records by tracing the processes and providing improved SQL and PL/SQL to the development teams.
• Implementation of Max Availability Architecture (RAC and Dataguard) for critical replenishment system for Albert Heijn transmitting a peak load of 60GB of redo per hour.
• Working as part of DBA team providing project and production support primarily for ABN Amro and RBS systems.
• Environment: Oracle 10g, 11g, RAC, Grid control, Linux 32 and 64 bit, Dataguard, RMAN.
• Working as DBA on ABM Amro project duplicating online and mid office databases using RMAN cloning, Dataguard and datapump.
• Capacity planning and review, ensuring ongoing database growth and service introduction would not threaten the availability of services.
• Creation and support of development and test environments on grid infrastructure.
• Gathering and defining recovery and availability requirements for critical systems to ensure service continuity meets the business requirements.
• Troubleshooting and resolving performance issues in process to spilt ABN AMRO and RBS customer records by tracing the processes and providing improved SQL and PL/SQL to the development teams.
• Implementation of Max Availability Architecture (RAC and Dataguard) for critical replenishment system for Albert Heijn transmitting a peak load of 60GB of redo per hour.
Implementation, Processes, Production, Online, Administrator, Office, Development, Infrastructure, Support, Sql, Growth, Architecture, Service, Test, Pl/sql, Database, Oracle, Linux
2009 - 2009
temp
Database Administrator
Teamsolve.
(Contract)
• Provided two weeks consultancy upgrading critical client database operating system from windows standard to enterprise edition and configuring a Dataguard physical standby.
• Environment: Oracle 11g, RAC, Dataguard Grid control, windows 2003 server 32bit,
• Sole DBA responsible for OS upgrade and configuration of AWE memory.
• Responsible for liaising with end user clients and internal teams (storage and sys admin) to ensure planned downtime available and required expertise available at correct times.
• Responsible for implementation of Dataguard standby
• Creation of handover and support documentation for Dataguard environment..
• Provided two weeks consultancy upgrading critical client database operating system from windows standard to enterprise edition and configuring a Dataguard physical standby.
• Environment: Oracle 11g, RAC, Dataguard Grid control, windows 2003 server 32bit,
• Sole DBA responsible for OS upgrade and configuration of AWE memory.
• Responsible for liaising with end user clients and internal teams (storage and sys admin) to ensure planned downtime available and required expertise available at correct times.
• Responsible for implementation of Dataguard standby
• Creation of handover and support documentation for Dataguard environment..
Oracle, Database, Windows, Implementation, Support, Storage, Server, Administrator, Enterprise
2009 - 2009
temp
Database Administrator
NHS Ayrshire and Arran Trust.
(Contract)
• Short contract with NHS trust to assist in a consolidation project aimed at reducing SQL server licensing costs and providing a more manageable infrastructure.
• Environment: SQL server 2000 and 2005, oracle 10gR2, oracle Fail safe, Windows server 2003.
• Consolidation project migrating SQL server databases onto Windows 2003 cluster to reduce licensing costs and increase database availability.
• Evaluation of Oracle Environment and failsafe cluster used as backend for third party application, set up backup and monitoring, further recommendations made to improve stability and performance.
• Implementation of scheduled backups using RMAN to protect from data loss.
• Short contract with NHS trust to assist in a consolidation project aimed at reducing SQL server licensing costs and providing a more manageable infrastructure.
• Environment: SQL server 2000 and 2005, oracle 10gR2, oracle Fail safe, Windows server 2003.
• Consolidation project migrating SQL server databases onto Windows 2003 cluster to reduce licensing costs and increase database availability.
• Evaluation of Oracle Environment and failsafe cluster used as backend for third party application, set up backup and monitoring, further recommendations made to improve stability and performance.
• Implementation of scheduled backups using RMAN to protect from data loss.
Sql, Backend, SQL Server, Oracle, Database, Windows server, Windows, Safe, Implementation, Infrastructure, Monitoring, Backup, Server, Administrator, Backend, UP
2007 - 2008
temp
Database Administrator
Barclays Wealth Ltd.
(Contract)
• Barclays Wealth is a leading provider of investment, banking and financial services products. I was a member of the DBA team who supported a variety of business systems ranging from Oracle 8.1 to 10.2, running on HPUX, Solaris and AIX.
• Environment: Oracle 8i,9.2 and 10g, HPUX, Solaris and AIX, vmware, Quest spotlight and foglight, Oracle Warehouse builder, EMC SAN BCVs, VCS, foglight monitoring.
• Development and maintenance of scripts for capacity planning and monitoring, ensuring lead times for increasing capacity are met, continuous review of projected and actual growth in capacity requirement to allow refinement of processes for estimating requirements for new projects.
• Review of service level agreements for backup and restore and disaster recovery plans to ensure business requirements for availability and recovery are met and that the business decision makers understand the consequences of the acceptable levels of service interruption defined.
• Development and documentation of database standards in consultation with other technical teams and business owners to define standard build process for new systems and expected lead times and resource requirements.
• Support of Business critical production systems used for stockbroker settlements, Document Imaging and compliance.
• Worked with corporate systems development manager to define standard release and application upgrade procedure to reduce the complexity of releases and ensure releases promoted from integration test to UAT to production in a timely and controlled manner.
• Responsible for managing backup and recovery via RMAN and BCV splits.
• Maintenance of data guard environment providing DR facility for critical systems.
• Migration of compliance databases onto HP Superdome from legacy PA-RISC infrastructure.
• Maintenance of pre-production environment, replication of data from production systems using RMAN or datapump as appropriate.
• Application of Critical updates and patches across pre-production and production environments.
• Lead on upgrade of third party stockbroker settlement system (TAROT) from 8.1.7.4 to 10g
• Lead DBA for migration project moving stockbroker settlement system (TAROT) database onto new HP Superdome, migration plan developed and tested and documentation signed off prior to project being placed on hold awaiting additional SAN storage.
• Developed OMBPlus scripts to facilitate releases of oracle warehouse builder objects from the command line.
• Refined process for refreshing test and development databases from live systems using RMAN and transportable tablespaces to reduce the time required to refresh individual schemas.
• Barclays Wealth is a leading provider of investment, banking and financial services products. I was a member of the DBA team who supported a variety of business systems ranging from Oracle 8.1 to 10.2, running on HPUX, Solaris and AIX.
• Environment: Oracle 8i,9.2 and 10g, HPUX, Solaris and AIX, vmware, Quest spotlight and foglight, Oracle Warehouse builder, EMC SAN BCVs, VCS, foglight monitoring.
• Development and maintenance of scripts for capacity planning and monitoring, ensuring lead times for increasing capacity are met, continuous review of projected and actual growth in capacity requirement to allow refinement of processes for estimating requirements for new projects.
• Review of service level agreements for backup and restore and disaster recovery plans to ensure business requirements for availability and recovery are met and that the business decision makers understand the consequences of the acceptable levels of service interruption defined.
• Development and documentation of database standards in consultation with other technical teams and business owners to define standard build process for new systems and expected lead times and resource requirements.
• Support of Business critical production systems used for stockbroker settlements, Document Imaging and compliance.
• Worked with corporate systems development manager to define standard release and application upgrade procedure to reduce the complexity of releases and ensure releases promoted from integration test to UAT to production in a timely and controlled manner.
• Responsible for managing backup and recovery via RMAN and BCV splits.
• Maintenance of data guard environment providing DR facility for critical systems.
• Migration of compliance databases onto HP Superdome from legacy PA-RISC infrastructure.
• Maintenance of pre-production environment, replication of data from production systems using RMAN or datapump as appropriate.
• Application of Critical updates and patches across pre-production and production environments.
• Lead on upgrade of third party stockbroker settlement system (TAROT) from 8.1.7.4 to 10g
• Lead DBA for migration project moving stockbroker settlement system (TAROT) database onto new HP Superdome, migration plan developed and tested and documentation signed off prior to project being placed on hold awaiting additional SAN storage.
• Developed OMBPlus scripts to facilitate releases of oracle warehouse builder objects from the command line.
• Refined process for refreshing test and development databases from live systems using RMAN and transportable tablespaces to reduce the time required to refresh individual schemas.
Monitoring, Manager, ON, Processes, SAN, EMC, Production, Administrator, Aix, Storage, Development, Backup, Oracle, Infrastructure, Support, Growth, Banking, Compliance, Service, Test, Integration, Database, VMware
2006 - 2007
job
Database Administrator (Permanent)
SAIC.
• SAIC is an provider of technology outsourcing solutions, the East Kilbride site provides support for Scottish Power's infrastructure of 4000 databases across varied technologies including oracle versions 7.3.4 - 10.2 ruining on windows, AIX, Solaris and Linux and MS SQL Server versions 7-2005.
• Environment: Oracle 7 to 10g, SQL Server 7 to 2005, Oracle application server 10g, oracle ApEx, RAC, Dataguard, Grid control, Solaris, AIX, Linux windows NT to 2003 server, IBM SAN metro-mirroring and flash copy, Solaris VCS, Oracle Failsafe
• Production support of 3500+ oracle databases and 400+ SQL server databases, responding to incidents within strict Service Level Agreements
• Responsible for capacity planning regarding new service introduction and existing systems, liaising with storage and system administrator teams to define lead times for additional capacity and process for storage and capacity increase requests.
• Responsible for maintaining database standards and assessing new releases and functionality for suitability co-ordinating with both internal and external development teams and clients to meet implementation expectations and deadlines.
• Implemented project to enable reporting and tracking of repeated minor incidents and outages on systems to ensure root cause analysis of problems performed, reducing the volume of small incidents to improve service availability and reduce out of hours callouts.
• Performance tuning of production databases for batch and OLTP workloads.
• Managing and monitoring of backup and recovery to centralised tape library, utilising either hot backups or RMAN depending on database version.
• Replication of databases from production to test and development environments using RMAN clones.
• Responsible for Applying critical patches and updates across the environment.
• Support of four node 10GR2 RAC infrastructure supporting critical compliance databases using ASM storage replicated to a two node cluster at the DR site using metro mirroring.
• Performance tuning of RAC databases tracing applications to find excessive wait events and providing recommendations on code fixes.
• Migration of databases from legacy hardware and operating systems to IBM p-series virtualized environment.
• Use of Grid control and OEM to monitor environment as well as in house written scripts to monitor legacy systems.
• Support for Dataguard replication for critical finance and compliance databases including configuration and failover testing.
• Upgraded Meter Asset Register database from 7.3.4 to 10gR2, co-ordinating with application development teams from SAIC, Logica and Cap Gemini.
• Developed new DR and backup methodology for 2TB data warehouse in tandem with UNIX team utilizing IBM Metro Mirroring and flash copy technologies to remove overhead from production servers taking RMAN backups from a disaster recovery server.
• Environment: Oracle 7 to 10g, SQL Server 7 to 2005, Oracle application server 10g, oracle ApEx, RAC, Dataguard, Grid control, Solaris, AIX, Linux windows NT to 2003 server, IBM SAN metro-mirroring and flash copy, Solaris VCS, Oracle Failsafe
• Production support of 3500+ oracle databases and 400+ SQL server databases, responding to incidents within strict Service Level Agreements
• Responsible for capacity planning regarding new service introduction and existing systems, liaising with storage and system administrator teams to define lead times for additional capacity and process for storage and capacity increase requests.
• Responsible for maintaining database standards and assessing new releases and functionality for suitability co-ordinating with both internal and external development teams and clients to meet implementation expectations and deadlines.
• Implemented project to enable reporting and tracking of repeated minor incidents and outages on systems to ensure root cause analysis of problems performed, reducing the volume of small incidents to improve service availability and reduce out of hours callouts.
• Performance tuning of production databases for batch and OLTP workloads.
• Managing and monitoring of backup and recovery to centralised tape library, utilising either hot backups or RMAN depending on database version.
• Replication of databases from production to test and development environments using RMAN clones.
• Responsible for Applying critical patches and updates across the environment.
• Support of four node 10GR2 RAC infrastructure supporting critical compliance databases using ASM storage replicated to a two node cluster at the DR site using metro mirroring.
• Performance tuning of RAC databases tracing applications to find excessive wait events and providing recommendations on code fixes.
• Migration of databases from legacy hardware and operating systems to IBM p-series virtualized environment.
• Use of Grid control and OEM to monitor environment as well as in house written scripts to monitor legacy systems.
• Support for Dataguard replication for critical finance and compliance databases including configuration and failover testing.
• Upgraded Meter Asset Register database from 7.3.4 to 10gR2, co-ordinating with application development teams from SAIC, Logica and Cap Gemini.
• Developed new DR and backup methodology for 2TB data warehouse in tandem with UNIX team utilizing IBM Metro Mirroring and flash copy technologies to remove overhead from production servers taking RMAN backups from a disaster recovery server.
Aix, Support, Infrastructure, Monitoring, Hardware, Testing, Backup, Development, Storage, Implementation, Oracle APEX, Server, Administrator, Power, Production, SAN, Tuning, Sql, Outsourcing, Flash, Compliance, Technology, Service, Test, Windows, Node, Finance, Data Warehouse, Database, Unix, Oracle, SQL Server, Linux
2004 - 2006
job
Database Administrator (Permanent)
Digital Bridges Ltd.
• Digital Bridges is a fast paced development company specialising in mobile phone games and applications, using oracle as the backend platform for service delivery and management information.
• Environment: Oracle 8i to 10g, RAC, Grid control, Linux, OEM, Transtec iSCSI SAN.
• Production support of business critical databases including finance, HR and customer facing service delivery systems.
• Management of RMAN backup and recovery
• Upgraded core platform from a single instance oracle 9i database to a 10gR2 RAC cluster using ASM with Disaster recovery provided by a single instance physical standby using log shipping.
• Ongoing support and performance tuning of RAC infrastructure, resolution of problems impacting the availability of the databases.
• Replication of production database schemas into test/development using datapump to allow multiple copies for different project environments.
• Responsible for code review and production releases of database changes.
• Implementation of Grid control for performance monitoring and alerting.
• Mentoring of development teams with respect to good practice and performance of SQL and PL/SQL.
• Part of project team responsible for selecting a new SAN infrastructure based on iSCSI technology, performance testing and comparing offerings from IBM, HP and NetApp.
• Environment: Oracle 8i to 10g, RAC, Grid control, Linux, OEM, Transtec iSCSI SAN.
• Production support of business critical databases including finance, HR and customer facing service delivery systems.
• Management of RMAN backup and recovery
• Upgraded core platform from a single instance oracle 9i database to a 10gR2 RAC cluster using ASM with Disaster recovery provided by a single instance physical standby using log shipping.
• Ongoing support and performance tuning of RAC infrastructure, resolution of problems impacting the availability of the databases.
• Replication of production database schemas into test/development using datapump to allow multiple copies for different project environments.
• Responsible for code review and production releases of database changes.
• Implementation of Grid control for performance monitoring and alerting.
• Mentoring of development teams with respect to good practice and performance of SQL and PL/SQL.
• Part of project team responsible for selecting a new SAN infrastructure based on iSCSI technology, performance testing and comparing offerings from IBM, HP and NetApp.
Implementation, Service Delivery, Backend, Tuning, SAN, Production, Administrator, Development, Backup, Testing, Monitoring, Infrastructure, Support, Sql, Shipping, Technology, Service, Test, Finance, Management, Pl/sql, Database, Mentoring, Oracle, Linux, Backend
1999 - 2004
job
Data Manager / Database Administrator (Permanent)
TeleTech UK Ltd.
• Teletech UK Ltd is a call centre outsourcing company with clients ranging from the financial services industry to major mobile phone suppliers.
• Environment: Oracle 7.3.4 and 8i, SQL Server 6.5 to 2000, DTS packages, AIX, Windows NT and 2000 server, VB 6.0.
• Defined and implemented change management process to ensure SOX compliance and separation of duties maintained, ensuring business sign off and risk assessment of critical changes.
• Responsible for team of four database developers and reporting specialists managing workflows and ensuring quality of work.
• Upgraded core platform from oracle 7.3.4 to 8i on AIX migrating from RS6000 H60 to H80 hardware.
• Maintenance and support of backups using hot backups migrating to RMAN after upgrading to 8i.
• Applying security patches and critical updates to test and production infrastructure.
• Responsible for maintenance of SQL and Oracle database in production, training and development environments
• Involved with multiple projects releasing applications onto the production hardware
• General maintenance, patching, backup and performance tuning of oracle and SQL server environments.
• Responsible for application development and deployment of BT Cellnet customer acquisition call centre project using SQL server 2000 and VB 6.0, liaising with client services to define functional requirements.
• Implementation of Management reporting data mart using SQL server 2000 taking data feeds from diverse sources to provide real time and historical information to management at all levels.
• Environment: Oracle 7.3.4 and 8i, SQL Server 6.5 to 2000, DTS packages, AIX, Windows NT and 2000 server, VB 6.0.
• Defined and implemented change management process to ensure SOX compliance and separation of duties maintained, ensuring business sign off and risk assessment of critical changes.
• Responsible for team of four database developers and reporting specialists managing workflows and ensuring quality of work.
• Upgraded core platform from oracle 7.3.4 to 8i on AIX migrating from RS6000 H60 to H80 hardware.
• Maintenance and support of backups using hot backups migrating to RMAN after upgrading to 8i.
• Applying security patches and critical updates to test and production infrastructure.
• Responsible for maintenance of SQL and Oracle database in production, training and development environments
• Involved with multiple projects releasing applications onto the production hardware
• General maintenance, patching, backup and performance tuning of oracle and SQL server environments.
• Responsible for application development and deployment of BT Cellnet customer acquisition call centre project using SQL server 2000 and VB 6.0, liaising with client services to define functional requirements.
• Implementation of Management reporting data mart using SQL server 2000 taking data feeds from diverse sources to provide real time and historical information to management at all levels.
Implementation, Manager, Tuning, Vb, Production, Administrator, Server, Aix, Development, Backup, Assessment, Hardware, Infrastructure, Management Reporting, Support, Sql, Outsourcing, Security, Compliance, Test, Windows, Oracle database, Management, Database, Deployment, Training, Oracle, SQL Server, Change management
1993 - 1994
job
Credit Control/Underwriting Clerk
CE Heath Insurance Services Ltd.
Acting as a bridge between the underwriting and Accounts department, to determine reasons for non-payment of broker's accounts and where non-payment was due to underwriting errors to resolve these and prompt payment.
Underwriting
My education
1994
-
1996
University of Surrey
Associates, Maths
Associates, Maths
1988
-
1990
Tanbridge House School
GCSEs, Grade c
GCSEs, Grade c
n/a
BSc, Year Physics
BSc, Year Physics
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