SQL Database Administrator

VIQU IT; City Of London; Hybrid; GBP 83,025 - 138,375; Full time

Job summary

VIQU IT is seeking an experienced SQL Database Administrator with active SC clearance to join a large infrastructure team in London. You will deliver database upgrades, migrations and performance tuning across environments, ensuring secure, resilient SQL Server environments and smooth application migrations.

The role involves 50% on-site in Central London with hybrid working options. Key tasks include configuring SQL Server environments, backups, restores, QA checks, and collaboration with

Qualifications

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

Responsibilities

• 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 standards.
• Support retirement and decommissioning of legacy SQL environments.
• Collaborate with Infrastructure, Security and Application teams to deliver project outcomes.
• Assist with migrations to new infrastructure, virtual environments and data centres.

Skills

SC Clearance

SQL Server Administration

Always On Availability Groups

Windows Clustering

HA/DR

SQL Server Upgrades & Migrations

VMware

PowerShell

Power BI

ITSM Tools (Remedy/Helix)

Tools

PowerShell

Power BI

Remedy/Helix ITSM

VMware

Job description

SQL Database Administrator – SC Cleared – London/remote – 6‑month

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.