Freelancers pentru angajare în Hong Kong
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Freelanceri sponsorizați
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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...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. mai puțin
Angajează pe sam221758
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Native french, specialised in Java and PL Sql development, ready to work in any job requiring french and/or ITNative french, specialised in Java and PL Sql development, ready to work in any job requiring french and/or IT mai puțin
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