MRJ Recruitment
Database Administrator (Contract)
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Database Administrator (Contract)
# The Role
We're supporting one of the UK's most ambitious cloud and database transformation programmes and are now looking for an experienced Database Administrator / Database Engineer to play a critical role in the project.
This isn’t a BAU DBA contract.
# The Opportunity
You'll be joining a high-profile programme responsible for migrating a substantial legacy database estate into a modern, AWS-native architecture. At its core, the project includes migrating complex MongoDB environments into AWS DocumentDB, building a platform capable of supporting millions of customer interactions at enterprise scale.
For experienced database professionals, opportunities to influence a migration of this magnitude don’t arise often.
# The Challenge
You will lead the database workstream across a major modernisation programme, owning:
- The migration,
- Optimisation, and
- Ongoing performance of critical NoSQL environments.
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Collaborating with Cloud, Platform, and Engineering teams, you will help design the future-state database architecture while ensuring a seamless transition from legacy MongoDB environments into a secure, resilient, and highly scalable AWS ecosystem.
# Responsibilities
- Lead the migration of large-scale MongoDB environments into AWS DocumentDB.
- Design and optimise highly available, secure, and resilient DocumentDB clusters.
- Identify and resolve MongoDB to DocumentDB compatibility challenges.
- Drive database performance tuning, monitoring, and optimisation activities.
- Support migration execution using AWS DMS and associated tooling.
- Establish operational standards, governance, and best practices across the database estate.
- Work closely with Cloud, DevOps, and Engineering teams to deliver a successful transformation programme.
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# Requirements
- Extensive experience administrating AWS DocumentDB in production environments.
- 8+ years as a DBA, Database Engineer, or similar database-focused role.
- Deep expertise across MongoDB and NoSQL database technologies.
- Strong AWS platform knowledge and experience operating cloud-native database services.
- Proven experience delivering complex database migration programmes.
- Strong understanding of:
- DocumentDB architecture,
- Limitations,
- Compatibility considerations,
- Operational best practices.
- Experience with AWS DMS and enterprise-scale migration tooling.
# Next Steps
Join one of the largest database migration programmes in the UK this year.
- Interviews taking place ASAP.
- Apply now and let’s chat.
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