Database Administrator

Searchability NS&D; Greater London; Hybrid; GBP 36,000 - 60,000; Full time

Benefits offered by this job

Matched pension contributions up to 10

Private medical cover

Life assurance

25 days annual leave + bank holidays

Flexible benefits programme

Hybrid working model

Job summary

Searchability NS&D is seeking an experienced PostgreSQL DBA to support secure, large-scale platforms across cloud and on-premise environments in the UK. You will work within a highly collaborative engineering team on data-driven government-focused programmes.

You’ll manage PostgreSQL clusters, optimise performance, design scalable schemas, handle migrations, and implement robust backup/recovery and security measures. Active SC clearance is required; DV desirable.

Qualifications

• Strong PostgreSQL DBA experience in enterprise or secure environments.
• Database performance tuning, optimisation, and troubleshooting.
• Experience with query optimisation, index tuning and execution plan analysis.
• Experience managing PostgreSQL clustering and failover strategies.
• Strong data modelling and schema design experience.
• Knowledge of backup and recovery methodologies.
• Experience storing and managing JSON objects within PostgreSQL.
• Strong stakeholder communication and collaborative working skills.

Responsibilities

• Manage PostgreSQL database clusters across cloud and on-premise environments.
• Monitor, tune, and optimise database performance.
• Design and maintain scalable database schemas, tables and views.
• Manage migrations and data structures across environments, including offline deployments.
• Define backup, recovery, and failover strategies.
• Manage database security, roles, permissions, and RLS.
• Support data ingestion from diverse sources with engineering teams.
• Collaborate with infrastructure on installation, patching, and config.
• Own and evolve core data models within the platform.

Skills

PostgreSQL DBA

Performance tuning

Troubleshooting

Query optimisation

Index tuning

Execution plan analysis

Clustering & failover

Data modelling

Backup & recovery

JSON in PostgreSQL

Stakeholder comms

Tools

pgvector

PostGIS

AGE

Job description

Location: Hybrid - Minimum 2 days per week onsite - Northwood or Andover or Corsham

Salary: Up to £60k DoE+ Excellent Benefits Package

Clearance: Active SC Cleared required (DV Clearance highly desirable)

Database Administrator – SC Cleared

Are you an experienced PostgreSQL DBA looking to work on secure, large-scale platforms across cloud and on-premise environments?

We’re working with a leading global technology and digital transformation organisation seeking a Database Administrator, skilled in PostgreSQL and/or Oracle, to support critical platforms operating within secure environments.

This is an opportunity to join a highly collaborative engineering team delivering complex data-driven solutions across enterprise and government-focused programmes.

You’ll work closely with infrastructure teams, data engineers, and data scientists to manage and evolve core PostgreSQL data platforms supporting complex applications and data pipelines.

What You'll Be Doing

• Managing PostgreSQL database clusters across multiple cloud and on-premise environments
• Monitoring, tuning, and optimising database performance
• Designing and maintaining scalable database schemas, tables, and views
• Managing database migrations and data structures across environments, including offline deployments
• Defining backup, recovery, and failover strategies
• Managing database security, roles, permissions, and Row Level Security (RLS)
• Supporting data ingestion from a wide range of sources alongside engineering and data teams
• Working with infrastructure teams on installation, patching, and database configuration
• Owning and evolving core data models within the platform

Essential Skills & Experience

• Strong PostgreSQL DBA experience within enterprise or secure environments
• Database performance tuning, optimisation, and troubleshooting
• Experience with:
• Query optimisation Index tuning
• Execution plan analysis
• Experience managing PostgreSQL clustering and failover strategies
• Strong data modelling and schema design experience
• Knowledge of backup and recovery methodologies
• Experience storing and managing JSON objects within PostgreSQL
• Strong stakeholder communication and collaborative working skills

Desirable Skills

Experience with PostgreSQL extensions such as:

• pgvector
• PostGIS A
• pache AGE

Additional experience with Oracle and/or MS SQL Server

Experience supporting data science or data engineering environments

Exposure to secure or highly regulated environments

Security Clearance

Due to the nature of the work, candidates must hold active SC Clearance as a minimum.

DV eligibility is highly desirable.

Candidates must have lived and worked continuously in the UK for the past 5-7 years.

Benefits

• Matched pension contributions up to 10%
• Private medical cover Income protection
• Life assurance 25 days annual leave + bank holidays
• Flexible benefits programme
• Hybrid working model
• Excellent career progression and training opportunities