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jobs
Developer/DevOps/DBA
Kejau Touray
,
London, United Kingdom
Experience
Other titles
Skills
I'm offering
Specialist Database Administrator, Big Data consultant with NoSQL, Big Data and cloud computing experience. Expert SQL Tuning ensuring performance and optimization of most relational and NoSQL databases. Experienced in Kubernetes, python, docker, Prometheus, ansible, terraform, puppet, Kafka, Java and Scala and Hadoop ecosystem. Administration and design of MariaDB, Galera, Oracle, MySQL, and Cassandra and MongoDB, Design and migration of database projects. Database design and multi-platform DBA. Advance SQL development and data warehousing, also well experienced in Hadoop, and Business Intelligence, including Machine Learning and Big Data Analysis.
Markets
United Kingdom
Links for more
Once you have created a company account and a job, you can access the profiles links.
Language
English
Fluently
Norwegian
Good
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2018 - 2020
job
Database Engineer
Ruffer LLP.
United Kingdom
Database reliability engineer - DevOps role, looking after big data using
MongoDB, Elasticsearch, Neo4J, Kafka as well transactional and data
warehouse databases, such as SQL Server and Oracle as well as responsible for creating and implement the monitoring policy in an agile and on Azure
public cloud as well as the on-premises environment. The tasks including
containerization with Docker and Kubernetes, architecting and upgrading and the migration of these databases and tools using Ansible, TeamCity and Jenkins, troubleshooting and performance tuning as well as ensuring their
security and high availability. Developing knowledge transfer of operational
knowledge as well as other training and mentoring. In addition, carried out the following among other things.
- Liaising with development and application teams to create the necessary
structures to better support the business needs
- MongoDB 2.6.9 and 3.2 upgrade and deployment
- Upgrade MongoDB replication clusters from 2.6.9 to latest versions.
- Securing MongoDB and Elasticsearch with SSL certification
- performance optimization and SQL tuning
- Upgrading Neo4J instances
- Resolving end-user issues and helping with queries
- Deployment of HA and DR ready clusters and instances
- Migration from on-premises databases to the cloud
Database reliability engineer - DevOps role, looking after big data using
MongoDB, Elasticsearch, Neo4J, Kafka as well transactional and data
warehouse databases, such as SQL Server and Oracle as well as responsible for creating and implement the monitoring policy in an agile and on Azure
public cloud as well as the on-premises environment. The tasks including
containerization with Docker and Kubernetes, architecting and upgrading and the migration of these databases and tools using Ansible, TeamCity and Jenkins, troubleshooting and performance tuning as well as ensuring their
security and high availability. Developing knowledge transfer of operational
knowledge as well as other training and mentoring. In addition, carried out the following among other things.
- Liaising with development and application teams to create the necessary
structures to better support the business needs
- MongoDB 2.6.9 and 3.2 upgrade and deployment
- Upgrade MongoDB replication clusters from 2.6.9 to latest versions.
- Securing MongoDB and Elasticsearch with SSL certification
- performance optimization and SQL tuning
- Upgrading Neo4J instances
- Resolving end-user issues and helping with queries
- Deployment of HA and DR ready clusters and instances
- Migration from on-premises databases to the cloud
Kubernetes, Https, Tuning, Neo4j, Server, Performance optimization, Teamcity, Development, Monitoring, Support, Security, Kafka, Elasticsearch, Cloud, Sql, Database, Mentoring, Deployment, Agile, Training, DevOps, Jenkins, Big Data, Azure, MongoDB, Oracle, SQL Server, Docker
2018 - 2018
job
DBA
William Hill.
United Kingdom
New projects Database Administrator at William Hill, maintaining and ensuring the availability and performance of all of our key generating systems, which
include, Oracle, SQL Server, MongoDB, MySQL, Postgres, Informix, Riak, and Cassandra. Migrating to AWS, automation with continuous delivery (CD) and continuous integration (CI) and infrastructure as a code. SQL development for
reporting, troubleshooting, and BAU.
New projects Database Administrator at William Hill, maintaining and ensuring the availability and performance of all of our key generating systems, which
include, Oracle, SQL Server, MongoDB, MySQL, Postgres, Informix, Riak, and Cassandra. Migrating to AWS, automation with continuous delivery (CD) and continuous integration (CI) and infrastructure as a code. SQL development for
reporting, troubleshooting, and BAU.
Integration, Continuous delivery, Administrator, Server, Continuous integration, Development, Infrastructure, Cassandra, Postgres, Mysql, Database, Automation, MongoDB, Oracle, SQL Server, AWS, Sql
2017 - 2018
job
Database Administrator
Ocado Technology.
United Kingdom
Cassandra DBA looking after PostgreSQL as well as part of a team of DBAs and infrastructure engineers that look after the data delivery solutions via both conventional RDBMS and NoSQL data stores. We use open source
technologies to support us in this objective, currently utilizing PostgreSQL and Cassandra databases. We research, design and maintain automated
"Database As A Service" on our Infrastructure platform, using Kubernetes,
Prometheus and Grafana. We are designing solutions to enable our
development teams to get resilient, high performance and production ready
services to support their applications while ensuring that we can scale
these services out to multiple sites around the world in a fully automated
way. Containerizing Cassandra as well PostgreSQL database services
using Kubernetes microservices and building and looking after monitoring and log aggregation solutions, using Prometheus, Kibana and Fluentd as
well as Datastax Enterprise's Opscenter as well as supporting Cassandra,
PostgreSQL and Oracle as part of on-call rota.
Cassandra DBA looking after PostgreSQL as well as part of a team of DBAs and infrastructure engineers that look after the data delivery solutions via both conventional RDBMS and NoSQL data stores. We use open source
technologies to support us in this objective, currently utilizing PostgreSQL and Cassandra databases. We research, design and maintain automated
"Database As A Service" on our Infrastructure platform, using Kubernetes,
Prometheus and Grafana. We are designing solutions to enable our
development teams to get resilient, high performance and production ready
services to support their applications while ensuring that we can scale
these services out to multiple sites around the world in a fully automated
way. Containerizing Cassandra as well PostgreSQL database services
using Kubernetes microservices and building and looking after monitoring and log aggregation solutions, using Prometheus, Kibana and Fluentd as
well as Datastax Enterprise's Opscenter as well as supporting Cassandra,
PostgreSQL and Oracle as part of on-call rota.
Open source, Enterprise, Administrator, Production, Kibana, Development, Monitoring, Infrastructure, Support, Cassandra, Design, Service, NoSQL, Microservices, Kubernetes, Database, PostgreSQL, Research, Oracle
2016 - 2017
job
MySQL and NoSQL DBA
The Workshop.
United Kingdom
Responsible for ensuring the performance, availability, and security of clusters of MySQL and other NoSQL database technologies and orchestrating
upgrades, backups, and provisioning of database instance in a challenging
role.
Provision MySQL and NoSQL instances, both in clustered and non-clustered
configurations and ensure performance, security, and availability of 24x7
mission-critical databases. Setup replication across multiple geographically
stretched data centres and preparing documentation and specifications
including database design and coding standards. Installing databases from scratch, including the operating systems, the network and storage as well as handle common database procedures, such as upgrade, backup, recovery,
migration, etc. Profile server resource usage, optimise and tweak as necessary and the development and the maintaining of database objects. Ensure change
management process is followed and providing 24 x 7 support during on-call
support rotation schedule and collaborating with other team members and business stakeholders.
Responsible for ensuring the performance, availability, and security of clusters of MySQL and other NoSQL database technologies and orchestrating
upgrades, backups, and provisioning of database instance in a challenging
role.
Provision MySQL and NoSQL instances, both in clustered and non-clustered
configurations and ensure performance, security, and availability of 24x7
mission-critical databases. Setup replication across multiple geographically
stretched data centres and preparing documentation and specifications
including database design and coding standards. Installing databases from scratch, including the operating systems, the network and storage as well as handle common database procedures, such as upgrade, backup, recovery,
migration, etc. Profile server resource usage, optimise and tweak as necessary and the development and the maintaining of database objects. Ensure change
management process is followed and providing 24 x 7 support during on-call
support rotation schedule and collaborating with other team members and business stakeholders.
Design, Mysql, Database, NoSQL, Database design, Management, Network, Security, Support, Development, Backup, Storage, Server
2016 - 2016
job
Senior DBA
Telefónica.
DBA for Big Data and tradition platforms for O2 Wi-Fi customers and users,
UK-wide, administering high performance and highly available databases,
including MariaDB, Galera Clusters, Apache Hadoop, Pentaho Integration,
Pentaho BI, InfiniDB, MongoDB and ElasticSearch, in an agile environment.
Ensuring security, auditing and compliance including encrypting data at rest and in transit. Providing BI intelligence and data analysis capabilities and services. Database upgrade, integration and migration as well as ensuring
documentation.
UK-wide, administering high performance and highly available databases,
including MariaDB, Galera Clusters, Apache Hadoop, Pentaho Integration,
Pentaho BI, InfiniDB, MongoDB and ElasticSearch, in an agile environment.
Ensuring security, auditing and compliance including encrypting data at rest and in transit. Providing BI intelligence and data analysis capabilities and services. Database upgrade, integration and migration as well as ensuring
documentation.
Data Analysis, MongoDB, Big Data, Agile, Database, REST, Elasticsearch, Apache, Hadoop, Integration, Compliance, Security, Mariadb, BEE
2014 - 2016
job
MySQL and NoSQL DBA
Aegon Nederland.
Administering MySQL, Cassandra and MongoDB Databases for our Aegon
Netherland customer facing website as well as other internal applications,
ensuring optimum performance, availability and security, including automated
auditing, encryption of data at rest and in transit. BI and data analysis including
data visualisation and report writing, troubleshooting and documentations, as
well as database migration, upgrades and integration. Learning and passing on expertise from and to others within the team.
Netherland customer facing website as well as other internal applications,
ensuring optimum performance, availability and security, including automated
auditing, encryption of data at rest and in transit. BI and data analysis including
data visualisation and report writing, troubleshooting and documentations, as
well as database migration, upgrades and integration. Learning and passing on expertise from and to others within the team.
Mysql, Data Analysis, Writing, MongoDB, Database, REST, NoSQL, Integration, Website, Security, Cassandra, BEE
2012 - 2014
job
Senior Database Administrator
Access Financial.
United Kingdom
MySQL and NoSQL DBA consultancy, database designing, development,
documentation, monitoring, migrating, upgrading, designing, performance
tuning, installing, backups, monitoring and scaling and support, migrating,
upgrading, designing, development, performance tuning, installing, monitoring and scaling, Big Data and NoSQL Consultancy and Support. IT and entrepreneurship training, etc.
MySQL and NoSQL DBA consultancy, database designing, development,
documentation, monitoring, migrating, upgrading, designing, performance
tuning, installing, backups, monitoring and scaling and support, migrating,
upgrading, designing, development, performance tuning, installing, monitoring and scaling, Big Data and NoSQL Consultancy and Support. IT and entrepreneurship training, etc.
Mysql, Big Data, Training, Database, NoSQL, Entrepreneurship, It, Support, Monitoring, Development, Administrator, Tuning
2011 - 2011
job
Senior MySQL Database Administrator
Bettor.com.
DBA in a regulated online betting environment, bettor.com providing high
available, scaled and high performance databases providing performance
tuning, reporting creation and support for MySQL databases. Design and development of high volume OLTP and data warehousing databases as well as documenting and supporting databases.
available, scaled and high performance databases providing performance
tuning, reporting creation and support for MySQL databases. Design and development of high volume OLTP and data warehousing databases as well as documenting and supporting databases.
Design, Mysql, Database, Support, Development, Online, Administrator, Tuning
2010 - 2011
job
DBA
Markco Media.
DBA for high transaction MySQL databases for very busy international coupon
service website, myvouchercodes.com providing first class performance
tuning, monitoring, migrating, upgrading, designing, development, installing,
backups, monitoring, scaling and reporting, providing production and development support as well as planning for growth. Supporting marketing
campaigns with BI data.
Data warehousing and business analysis and testing, as well mentoring and documentations. and general DBA and supporting ecommerce websites with million visitors at peak season, ensuring availability and highly performant
databases even during Christmas, banishing downtime under heavy load into
history.
service website, myvouchercodes.com providing first class performance
tuning, monitoring, migrating, upgrading, designing, development, installing,
backups, monitoring, scaling and reporting, providing production and development support as well as planning for growth. Supporting marketing
campaigns with BI data.
Data warehousing and business analysis and testing, as well mentoring and documentations. and general DBA and supporting ecommerce websites with million visitors at peak season, ensuring availability and highly performant
databases even during Christmas, banishing downtime under heavy load into
history.
Growth, Tuning, Production, BEE, International, Development, Testing, Monitoring, Support, Marketing, Website, Service, Mentoring, Websites, Business Analysis, Ecommerce, Mysql
2009 - 2010
job
MySQL and Oracle DBA
Troon IT Solutions.
Providing MySQL and Oracle databases consultancy, for designing, tuning
and supporting Oracle and MySQL databases, for organisation, ranging from e-commerce, insurance, finance, councils, providing long term availability to customers and their users all over UK providing data analysis and business
intelligence services. Ensuring performant backups and recovery, as well
troubleshooting, reports and maintenance and integration.
and supporting Oracle and MySQL databases, for organisation, ranging from e-commerce, insurance, finance, councils, providing long term availability to customers and their users all over UK providing data analysis and business
intelligence services. Ensuring performant backups and recovery, as well
troubleshooting, reports and maintenance and integration.
Mysql, Data Analysis, Oracle, E-commerce, Integration, Finance, Insurance, Organization, Tuning, Oracle dba
2009 - 2009
job
Database Administrator
Drivebusiness Ltd.
Administration, designing, development of OLTP and DW databases for e-
commerce high street customers, including Allsaints and their users. Ensuring
performant backups and recovery procedures, replication and documentation
were successfully implemented. Performance tuning and optimization as well as troubleshooting and SQL development.
commerce high street customers, including Allsaints and their users. Ensuring
performant backups and recovery procedures, replication and documentation
were successfully implemented. Performance tuning and optimization as well as troubleshooting and SQL development.
Sql, Administration, Database, Development, Administrator, Tuning
2006 - 2009
job
DBA
Britannia IT.
As part of an IT services and training databases services providing support,
design and administrations of Oracle and MySQL databases, customers and users, providing data analysis, design and BI intelligence reporting as well as providing database certification training in an IT outsourcing company and IT
Training provider, we provide hand on site training up to certification and also provide mentoring and coaching of students and new programmers and DBAs, as well as providing project implementation, configuration and administrations of client systems on their site, as well as providing remote help desk, 24/7/365.
Backup, recovery, tuning, troubleshooting, web designing and maintenance and application programming, customisation and integration. Security and general administration duties as well.
Web authoring and administration.
design and administrations of Oracle and MySQL databases, customers and users, providing data analysis, design and BI intelligence reporting as well as providing database certification training in an IT outsourcing company and IT
Training provider, we provide hand on site training up to certification and also provide mentoring and coaching of students and new programmers and DBAs, as well as providing project implementation, configuration and administrations of client systems on their site, as well as providing remote help desk, 24/7/365.
Backup, recovery, tuning, troubleshooting, web designing and maintenance and application programming, customisation and integration. Security and general administration duties as well.
Web authoring and administration.
Security, UP, Tuning, BEE, Web, Backup, IT Outsourcing, Support, Implementation, Outsourcing, It, Design, Integration, Database, Mentoring, Training, Oracle, Administration, Coaching, Data Analysis, Mysql
1999 - 2002
internship
Trainee DBA
Gambia Telecommunication Company.
Production support role for an Oracle, MySQL and MS SQL databases and applications support for national telecommunication company. Maintenance and or enhancement of stored packages, procedures and functions.
Investigation and correction of bugs to meet tight deadlines. Impact analysis of change requests. Functional and module specification as well Unit testing.
As part of a team, I design, build and generate Oracle Reports within the organisation for our users and I was responsible for the analysis, design and building of projects our core application and enhancements to existing
applications (maintenance and support. PL/SQL, SQL, Oracle Forms and Reports as well as Oracle performance tuning database recovery to backups and using RMAN.
Investigation and correction of bugs to meet tight deadlines. Impact analysis of change requests. Functional and module specification as well Unit testing.
As part of a team, I design, build and generate Oracle Reports within the organisation for our users and I was responsible for the analysis, design and building of projects our core application and enhancements to existing
applications (maintenance and support. PL/SQL, SQL, Oracle Forms and Reports as well as Oracle performance tuning database recovery to backups and using RMAN.
Design, Mysql, Sql, Oracle, Database, Pl/sql, Support, Testing, Organization, Production, Tuning
1999 - 2001
job
Prosecution Mentor/Human Rights Investigator
United Nations.
As part of United Nations peace keeping force under United Nations Civilian
Police just after the elections and the atrocities in East Timor, served as
part of the investigations team for human rights violations at the East Timor/
Indonesian border town of Malayina, Bobonaro and then as human rights
investigator at the Dili Police Station and then later as well as prosecution
mentor at the Dili Courts under the United Nations Transitional Authority in East Timor (UNTAET).
Police just after the elections and the atrocities in East Timor, served as
part of the investigations team for human rights violations at the East Timor/
Indonesian border town of Malayina, Bobonaro and then as human rights
investigator at the Dili Police Station and then later as well as prosecution
mentor at the Dili Courts under the United Nations Transitional Authority in East Timor (UNTAET).
Mentor
1993 - 1999
job
Provost Marshall - Military Police Commander
Gambia Armed Forces.
Command, train and administer the Military Police of Gambia Armed Forces and provided disc. Ensuring the discipline of the entire armed forces, despite the autocratic regime. Headed the discipline, the establishment of the rule of law, security of installations and investigations of incidents in the Gambia
Armed Forces, including the navy, the national guards as well army. Creating
operation procedures and manuals from scratch, ensuring the Military police
Unit is prepared and able to carry out assigned tasks and mission.
Successfully built relationships with other security forces, the Attorney
General's Chambers, Directorate of Public Prosecution, managing and organising training.
Attended and completed US Department of State Embassy protection
programme and training.
Armed Forces, including the navy, the national guards as well army. Creating
operation procedures and manuals from scratch, ensuring the Military police
Unit is prepared and able to carry out assigned tasks and mission.
Successfully built relationships with other security forces, the Attorney
General's Chambers, Directorate of Public Prosecution, managing and organising training.
Attended and completed US Department of State Embassy protection
programme and training.
Training, Security
1990 - 1991
job
Mathematics, General and Agric Sciences Teacher
Education Department.
Brikama Junior Secondary School, Pakalinding Junior Secondary School
Unqualified teacher
Unqualified teacher
My education
2015
-
2019
University of Liverpool
MSc, (MSc), Web Sciences and Big Data
MSc, (MSc), Web Sciences and Big Data
2005
-
2006
James Watt College
Certification, N/a
Certification, N/a
2004
-
2007
London South Bank University
BSc, Computing (Minor in Law)
BSc, Computing (Minor in Law)
2003
-
2004
Clydebank College
Hndhncorequivalent, Game Development & Multimedia and Web Development
Hndhncorequivalent, Game Development & Multimedia and Web Development
2002
-
2004
n/a
Hndhncorequivalent, Computing
Hndhncorequivalent, Computing
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