Cloud Database Administrator -PostgreSQL / MS SQL / Oracle

Job Title: Cloud Database Administrator (PostgreSQL / MS SQL / Oracle) Location: London (3 days/week Onsite) Duration: 6months Job Description We are seeking a multi-skilled Database Administrator with proven hands-on experience across PostgreSQL, MS SQL Server, and Oracle, preferably in hybrid and multi-cloud environments (AWS/Azure/OCI). The ideal candidate will have a balanced mix of cloud-native DB administration, on-premise DB optimization, and cross-platform migration experience. This role focuses on supporting enterprise-level systems, with PostgreSQL as the strategic database engine, and requires working collaboratively with development and infrastructure teams to ensure availability, performance, and scalability of data platforms. Key Responsibilities Cloud-Based & On-Prem DB Administration: Administer, configure, and optimize PostgreSQL, MS SQL Server, and Oracle databases hosted in AWS, Azure, and on-premises. Database Design & Development: Design new schemas, optimize existing structures, and support database components aligned with application needs. Performance Tuning: Monitor and tune query and system performance across PostgreSQL, MS SQL, and Oracle DBs. Identify and resolve performance bottlenecks. Backup & Disaster Recovery: Define and implement robust backup/recovery procedures for multi-DB environments across different platforms and cloud providers. Security & Compliance: Implement access controls, encryption, auditing, and ensure compliance with data protection standards. Cloud Automation & Scalability: Automate database operations using cloud-native tools and scripting (e.g., Terraform, Ansible, AWS RDS/Aurora tools, Azure SQL automation). Monitoring & Health Checks: Utilize tools such as CloudWatch, Azure Monitor, OEM, or Prometheus to monitor performance and availability. Troubleshooting & Root Cause Analysis: Diagnose and resolve database incidents; conduct RCAs for critical incidents and outages. Collaboration: Work closely with DevOps, Application, and Security teams for seamless integration, monitoring, and support. Required Skills & Experience Hands-on with AWS (RDS, EC2, Aurora) and/or Azure (SQL Database, Managed Instances). PostgreSQL (preferred) – schema design, indexing, replication, extensions MS SQL Server – Always On, indexing, query tuning, backups Oracle 12c/19c – RAC, Data Guard, ASM, RMAN, patching, performance tuning SQL & Scripting: Advanced SQL skills; Shell/Python scripting for automation. Database Design & Data Modeling: Experience with OLTP and OLAP systems, normalization, and warehousing concepts. Monitoring Tools: CloudWatch, Azure Monitor, OEM, Nagios, or equivalent. Security & DR: Familiarity with encryption (TDE, SSL), auditing, and DR testing. Priyanka Sharma Senior Delivery Consultant Office: 02033759240 Email: psharma@vallumassociates.com

Location: City of London, London, GB

Posted Date: 7/12/2025