JOB PURPOSE:To manage the performance, security and integrity of Metropol's database infrastructure. You will be instrumental in the planning and enhancement of the database environment for the future.Reports to:Chief Information Technology Officer (CITO)ResponsibilitiesDatabase Performance:Main ActivitiesMonitor performance and manage parameters in order to provide fast response to queries.Use automated tools effectively to interpret the state of databases and extract areas of improvement.Take charge of writing and optimizing in-application database statements.Write and optimize queries to retrieve data from MongoDB.Implement a strategy for speedy data retrieval that combines relational and NoSQL data stores.Planning:Main ActivitiesMap out the conceptual design for a planned database, considering both backend organization of data and front-end accessibility for clients.Refine the physical design to meet storage system requirements.Carry out capacity planning for the database.Reporting:Main ActivitiesImplement a data warehousing strategyWrite database documentation, including data standards, procedures and definitions for the data dictionary (metadata)Generate daily, weekly and monthly reports as discussed with your supervisor.Communicate regularly with technical and operational staff to ensure database integrity and security.Data Security:Main ActivitiesControl access permissions and privileges on production databases.Maintain the data recovery aspects of a database.Refine the logical design of the databases so that it can be translated into a specific data model.Maintain data standards, including adherence to any data protection legislation.QualificationsAcademic Background:Bachelor's degree in Computer Science or equivalent.Training in Mongo DB is an added advantage.CertificationCertification in any relational database system.ExperienceProvable two years of experience working with NoSQL data stores (MongoDB preferred)Provable four years of experience working with PostgreSQL.Skilled at optimizing large complicated SQL statements.Knowledge of best practices when dealing with relational and NoSQL databases.Proficient in using Git.Familiar with tools that aid with profiling server resource usage and optimizing it.Capable of configuring popular relational database systems and orchestrating clusters as necessary.Skills:Proven ability to work under pressure and meeting tight deadlinesFlexible and mature approach with ability to work unsupervisedAbility to write code in any contemporary language is an added advantage.Ability to plan resource requirements from high level specifications Key Performance IndicatorsData protection measures taken, successfully tested.Data retrieval performance measurable improvement.Turnaround of business requests within Metropol IT SLA.Any other as discussed with your supervisor.
