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sam221758 sam221758

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$50 USD / hour
Database Administrator(Oracle/Postgres/MSSQL)
Hong Kong
0.0
0 reviews 0 reviews $50 USD per hour
Microsoft SQL Server, Oracle Database, Oracle OBIEE, PostgreSQL, PostgreSQL Administration
Experienced and accomplished IT professional with a strong background in database administration, specializing in Oracle, PostgreSQL, and MS SQL Server. Over 10 years of diverse industry experience in logistics, media house, consulting, and manufacturing. Database Administration: Oracle (versions... more
Experienced and accomplished IT professional with a strong background in database administration, specializing in Oracle, PostgreSQL, and MS SQL Server. Over 10 years of diverse industry experience in logistics, media house, consulting, and manufacturing. Database Administration: Oracle (versions 19c/12c/11g/10g), PostgreSQL(12/14), MS SQL Server.  Installed, configured, and maintained Oracle, PostgreSQL, and MS SQL Server databases.  Performance Tuning and Query Optimization to enhance database efficiency.  Managed database security, including user access control and encryption including Security assessments.  Patched and upgraded database software, staying up to date with the latest versions and features.  Implemented HA and DR solutions, such as Data Guard, Oracle RAC, AlwaysOn Availability, HA for PostgreSQL.  Good understanding of cloud fundamentals, including IaaS, PaaS, SaaS and DBaas models.  Experience in setting up and managing databases in a cloud environment, including DBaas and virtual machines.  Knowledge of cybersecurity practices and principles, including data protection and security audits.  Understanding of network security concepts, including firewalls, intrusion detection and prevention.  OS expertise, including Linux and Windows Server with experience in managing databases on these platforms.  Solid understanding of IT components, like servers, storage systems, networking, and virtualization technologies.  Knowledge ITIL and its processes, like incident management, change management, and service level management.  Managed vendors including contract negotiation, SLAs, and vendor performance evaluation.  Migrated Non-ASM Single Instance to ASM RAC Instance and vice versa.  Strong troubleshooting, problem solving, analytical and design skills.  Monitored and optimized database performance, proactively identifying and resolving.  Conducted capacity planning and storage management to optimize resource allocation and scalability.  Expertise in installation and configuration of Oracle and large databases on Linux Operating System.  Collaborated with cross-functional teams, including developers, system administrators, and business stakeholders, to analyze requirements and design effective solutions.  Expertise in oracle RAC support for 19c/12c/11g/10g and non PDB architecture in 19c and 12c.  Good understanding on CDB/PDB architecture.  Troubleshot and resolved database-related issues, ensuring minimal downtime and optimal performance.  Configured and managed database replication and data synchronization for Oracle and PostgreSQL.  Acted as a subject matter expert, providing guidance and support to team members and stakeholders.  Documented database configurations, processes, and procedures for knowledge sharing and future reference. less
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remiannat remiannat

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$12 USD / hour
Java and PL Sql developer, french translator
Hong Kong
0.0
0 reviews 0 reviews $12 USD per hour
Java, JavaScript, SQL, French Translator, MySQL
Native french, specialised in Java and PL Sql development, ready to work in any job requiring french and/or IT more
Native french, specialised in Java and PL Sql development, ready to work in any job requiring french and/or IT less
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