Data Security Engineer

Jobtailor; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Jobtailor is seeking a data security specialist to own the operational delivery and ongoing management of data security tooling, including Microsoft Purview and DSPM capabilities, across the organization. You will implement data classification and labelling, translate policy into technical controls with stakeholders, and roll out protections across SharePoint, OneDrive, Exchange and Teams.

The role requires strong hands-on Purview experience, DLP tuning, PowerShell automation, and the ability to

Qualifications

• Strong hands-on experience with Microsoft Purview, including Information Protection and DLP capabilities.
• Experience implementing or supporting data classification and labelling within Microsoft 365 environments.
• Experience operating or tuning DLP controls across endpoint, email, and cloud environments.
• Understanding of data security challenges involving SaaS platforms, cloud services, collaboration, and AI adoption.
• Familiarity with DSPM concepts or data discovery tooling; hands-on implementation experience desirable.
• Ability to translate security and compliance requirements into practical technical controls.
• Experience supporting investigations involving data loss, misuse, or insider risk scenarios.
• Working knowledge of Microsoft Defender and Entra ID.
• Experience with PowerShell or similar scripting and automation tooling.

Responsibilities

• Own the operational delivery and ongoing management of data security tooling.
• Implement and mature data classification, labelling, and data protection controls.
• Translate policy and regulatory requirements into practical technical controls with stakeholders.
• Design, implement, and operate Purview Information Protection and DLP capabilities.
• Roll out classification and labelling across SharePoint, OneDrive, Exchange and Teams.
• Monitor and improve DLP and data protection controls across endpoints, email, and cloud services.
• Support secure adoption of collaboration and AI technologies by reducing data exposure risks.
• Own DSPM platform implementation and day-to-day operation.
• Maintain visibility of sensitive data across Microsoft 365, SaaS platforms and cloud environments.
• Identify, investigate, and support remediation of data exposure risks and insecure handling.

Skills

Microsoft Purview

DLP capabilities

Data classification

Labelling

PowerShell scripting

Stakeholder engagement

GDPR awareness

Azure

Cloud security

Tools

Microsoft Purview

PowerShell

Microsoft Defender

Entra ID

SharePoint

OneDrive

Exchange

Teams

Azure

AWS

Job description

• Own the operational delivery and ongoing management of data security tooling, including Microsoft Purview and DSPM capabilities
• Implement and mature data classification, labelling, and data protection controls
• Translate policy and regulatory requirements into practical technical controls with Information Security, IT, Legal, and business stakeholders
• Design, implement, and operate Microsoft Purview Information Protection and Data Loss Prevention capabilities
• Roll out and tune classification and labelling across SharePoint, OneDrive, Exchange, and Teams
• Monitor and improve DLP and data protection controls across endpoints, email, and cloud services
• Support secure adoption of collaboration and AI technologies by reducing data exposure risks
• Own the technical implementation and day-to-day operation of the DSPM platform
• Maintain visibility of sensitive data across Microsoft 365, SaaS platforms, and cloud environments
• Identify, investigate, and support remediation of data exposure risks, excessive permissions, and insecure data handling
• Integrate DSPM capabilities with Defender, Sentinel, and Purview
• Embed data protection controls into Azure, AWS, SaaS, and other business systems
• Provide data security expertise to technical projects, cloud initiatives, and new technology deployments
• Provide subject matter expertise during investigations involving data loss, misuse, or exposure
• Support monitoring, tuning, and operational response for data security alerts and incidents
• Improve data security processes, workflows, and operational reporting
• Develop reporting on data security metrics and control effectiveness
• Automate operational and administrative tasks using PowerShell and native platform tooling
• Engage technical and non-technical stakeholders to improve data handling practices and adoption of security controls

Requirements

• Strong hands-on experience with Microsoft Purview, including Information Protection and DLP capabilities
• Experience implementing or supporting data classification and labelling within Microsoft 365 environments
• Experience operating or tuning DLP controls across endpoint, email, and cloud environments
• Understanding of data security challenges involving SaaS platforms, cloud services, collaboration, and AI adoption
• Familiarity with DSPM concepts or data discovery tooling; hands-on implementation experience desirable
• Ability to translate security and compliance requirements into practical technical controls
• Experience supporting investigations involving data loss, misuse, or insider risk scenarios
• Working knowledge of Microsoft Defender and Entra ID
• Experience with PowerShell or similar scripting and automation tooling
• Ability to work independently and take ownership of operational technical platforms
• Strong communication skills with technical and non-technical stakeholders
• Working knowledge of GDPR principles and risk-based security frameworks such as NIST CSF
• CV and cover letter required
• Applications close 23 August 2026

Core Competencies

Demonstrates expertise in data security tooling, particularly with Microsoft Purview and DLP capabilities, while effectively translating regulatory requirements into actionable technical controls. Proficient in implementing data classification and protection measures across various platforms, ensuring secure data handling practices.

Highest-signal resume keywords

• Microsoft Purview
• Data Loss Prevention (DLP)
• Data Classification and Labelling
• PowerShell Scripting
• GDPR Principles

ATS Optimization Keywords

Hard Skills

• Data Security
• Information Protection
• DSPM Capabilities
• Cloud Security
• Data Exposure Risk Management
• Technical Control Implementation
• Operational Reporting
• Data Security Metrics
• Automation Tooling
• SaaS Security

Soft Skills

• Strong Communication Skills
• Stakeholder Engagement
• Independent Work
• Ownership

Industry Keywords

• NIST CSF
• Risk-Based Security Frameworks
• Data Handling Practices
• Data Loss Investigations
• Insider Risk Scenarios

Tools & Technologies

• Microsoft 365
• Azure
• AWS
• Microsoft Defender
• Entra ID
• SharePoint
• OneDrive
• Exchange
• Teams
• PowerShell