Salary: £40,000 - 80,000 per year Requirements: Proven experience in database migration projects Strong expertise in Oracle, T-SQL, ETL processes, and HP-UX or other legacy Unix/Linux/Windows system administration in a mixed database environment. Strong documentation skills, including the ability to create and maintain technical documentation such as ERD (Entity Relationship Diagrams), process flow diagrams, and data mapping documentation. Excellent communication and stakeholder management skills to effectively collaborate with vendors, technical teams, business users, and current system stakeholders. Strong problem-solving, data mapping, and database performance optimization skills. Experience with data validation and ensuring compliance with business requirements. Security Clearance (SC): The candidate must either hold valid SC clearance or be eligible to obtain it prior to starting. Responsibilities: Support the consolidation by migrating data and functionality from mainly Oracle legacy systems, including Product Management Databases, CRM systems, and Geneva/Netcracker billing platforms, to the new centralised platform. Perform data extraction, transformation, and loading (ETL), data mapping, validation, and testing to ensure accuracy and integrity of migrated data. Collaborate with the new vendor to align migration processes, troubleshoot integration issues, and ensure system compatibility. Work closely with internal technical teams, business stakeholders, and current system users to gather requirements, address concerns, and provide updates on migration progress. Optimize Oracle, T-SQL, and other database platforms, resolve technical challenges, and provide post-migration support, including documentation and issue resolution. Technologies: CRM ETL Flow Support Linux Oracle SQL Security Unix Windows UX UI Design More: We are seeking an Oracle DBA - Database Consolidation Specialist for a 6-month hybrid role, requiring attendance two days per week in the Midlands and/or London. You will play a key role in migrating data from legacy systems to a new centralized platform, collaborating with both technical teams and stakeholders. Our team values strong communication and problem-solving skills, and we offer an engaging work environment that supports professional growth and provides the opportunity to work with various database technologies. last updated 16 week of 2026