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Senior Database Administrator

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Equals Group PLC

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Location:
United Kingdom , Remote

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

We’re hiring a pragmatic Senior Database Administrator to own the health, performance and reliability of our fleet of ~50 Aurora MySQL clusters. You’ll work closely with engineering to keep systems running smoothly — ensuring backups and alarms are configured, capacity is right-sized, and maintenance windows and failover procedures are tested. Day-to-day you’ll profile and optimise slow queries, review and add indexes, rewrite problematic SQL, and drive performance tuning and schema-change best practices. You’ll also automate routine checks, maintain runbooks for incidents and recovery, and partner with teams to plan migrations, capacity growth and long-term improvements.

Job Responsibility:

  • Monitor cluster health and alerts (CloudWatch / Performance Insights / slow-query), investigate anomalies and act on incidents
  • Diagnose and optimise slow queries and problematic transactions: use EXPLAIN, rewrite queries, and add/remove indexes as needed
  • Ensure backups, snapshots and PITR are configured and tested
  • maintain and exercise recovery/runbook procedures
  • Perform capacity planning, sizing and maintenance (patches, minor version upgrades, failover drills) to keep performance and availability targets
  • Automate routine checks and reports (index coverage, long-running queries, replica lag, space usage) and produce actionable recommendations for engineering teams

Requirements:

  • Strong practical experience with MySQL / Aurora MySQL administration at production scale (schema design, replication, failover)
  • Proven ability to profile and tune queries and indexes (EXPLAIN, slow-query analysis, query rewriting)
  • Solid knowledge of backup & recovery strategies for Aurora (snapshots, continuous backups/PITR) and tested restore experience
  • Experience with monitoring and alerting for databases (CloudWatch, Performance Insights, slow-query logs) and acting on alarms
  • Comfortable scripting/automation (Bash, Python, or similar) to build health checks, runbooks and operational tooling
  • good Linux fundamentals
  • A role model for our values: Make it happen
  • Succeed together
  • Be the customer
  • Go beyond

Nice to have:

  • Familiarity with MySQL tooling such as pt-query-digest / Percona Toolkit, ProxySQL, or similar performance/management tools
  • AWS experience or certification (Aurora/RDS internals, KMS for encryption, IAM, multi-AZ/Global DB setups)
What we offer:
  • A competitive salary benchmarked against a peer group
  • 25 days holiday per year + your birthday off
  • Opportunities for progression, development and learning new skills - £250 towards the cost of learning & development
  • Free onsite Nuffield Health gym & pool (London) and discounted gym membership elsewhere
  • GetActive with Aviva - Health and Wellbeing discounts on services and products
  • Interbank currency rates on travel money and international transfers
  • Bupa Private Healthcare
  • Free Eye Test and £50 up to the cost of glasses
  • EAP Service - Mental Health Services
  • Life Assurance Policy - x3 annual salary
  • Contributory pension scheme
  • Cycle to Work Scheme
  • Season Ticket Loans
  • Enhanced Parental Policies
  • Complimentary tea, coffee, soft drinks and fruit

Additional Information:

Job Posted:
December 08, 2025

Employment Type:
Fulltime
Work Type:
Remote work
Job Link Share:

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