SQL Database Administrator

VIQU Limited; City Of London; Hybrid; GBP 65,000 - 90,000; Full time

Job summary

VIQU Limited is seeking an experienced SQL Database Administrator with active SC clearance to support a large-scale infrastructure program in London, with remote options. The role focuses on database transformations, migrations and high-availability configurations across multiple environments.

You will build and maintain SQL Server ecosystems, perform upgrades, backups and DR preparations, and collaborate with security and application teams to ensure project success.

Qualifications

• Active SC Clearance is mandatory.
• Experience in a Critical National Infrastructure environment.
• Strong experience administering MS SQL Server environments.
• Experience with SQL Server 2016 through 2025.
• Knowledge of Always On, Windows Clustering and HA/DR technologies.
• Experience with SSRS/SSIS/SSAS.
• Experience with SQL upgrades, migrations and performance tuning.
• Experience in VMware virtualised environments.
• Familiarity with PowerShell and Power BI.
• Experience with ITSM platforms (Remedy/Helix) and Change/Incident Management.

Responsibilities

• Build, configure and administer SQL Server environments to standards.
• Deliver upgrades, migrations and transformation activities.
• Perform backups, restores and recovery for projects.
• Quality assurance of newly deployed databases.
• Support retirement of legacy SQL environments.
• Collaborate with Infrastructure, Security and Apps teams for project outcomes.
• Assist migrations to new infrastructure and data centres.

Skills

SC Clearance

SQL Server

Always On Availability Groups

Windows Clustering

HA/DR

SSRS

SSIS

SSAS

SQL upgrades & migrations

VMware

PowerShell

Power BI

ITSM (Remedy/Helix)

Tools

VMware

PowerShell

Power BI

Job description

SQL Database Administrator - SC Cleared - London/remote - 6-months

My Customer is seeking an experienced SQL Database Administrator to join a large-scale infrastructure team, supporting a range of critical database transformation and migration projects.

You’ll play a key role in delivering database solutions, supporting application migrations, and ensuring SQL environments are secure, resilient, and built to a consistently high standard.

Skills required from the SQL Database Administrator

• Active SC Clearance (mandatory).
• Experience in a Critical National Infrastructure environment
• Strong commercial experience administering Microsoft SQL Server environments.
• Experience working with SQL Server 2016 through to SQL Server 2025.
• Excellent knowledge of Always On Availability Groups, Windows Clustering and High Availability/Disaster Recovery technologies.
• Experience administering SSRS, SSIS and SSAS.
• Strong understanding of SQL Server upgrades, migrations and performance optimisation.
• Experience supporting SQL Server within VMware virtualised environments.
• Knowledge of PowerShell and Power BI.
• Experience working within structured Change Management and Incident Management processes.
• Familiarity with BMC Remedy/Helix or similar ITSM platforms.

Key responsibilities of the SQL Database Administrator

• Build, configure and administer Microsoft SQL Server environments using established standards and best practices.
• Deliver SQL database upgrades, migrations and transformation activities across multiple environments.
• Perform database backups, restores and recovery activities to support ongoing projects.
• Carry out quality assurance checks to ensure newly deployed databases meet technical and operational standards.
• Support the retirement and decommissioning of legacy SQL environments.
• Work closely with Infrastructure, Security and Application teams to deliver successful project outcomes.
• Assist with application and database migrations to new infrastructure, virtual environments and data centres.

The SQL DBA is required onsite 50% of the time in Central London.