Security Platform Engineer: Sentinel, Defender & KQL

Bupa; Staines-upon-Thames; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Flexible working

25 days holiday

Pension plan

Life insurance

Onsite gyms

Employee discounts

Diversity & inclusion

Disability Confident Employer

Job summary

Bupa, a leading global healthcare group, is seeking an experienced security professional to shape security operations from its Staines location. You will lead Sentinel configurations, craft detections in KQL, and build automated responses with Logic Apps.

The role covers data protection, DLP, and governance across Microsoft 365, Defender suites, and cloud services, with a strong emphasis on incident response and continuous improvement.

Qualifications

• Hands-on with Microsoft Sentinel, Defender and Purview.
• Experience implementing or managing DLP and information protection.
• Proficiency in KQL and security analytics.
• Experience with Azure Logic Apps and cloud security technologies.
• Understanding of threat detection, incident response and MITRE ATT&CK.

Responsibilities

• Lead configuration of Microsoft Sentinel as the central monitoring platform.
• Develop and maintain detection rules, dashboards, and queries using KQL.
• Create automated response playbooks using Azure Logic Apps.
• Integrate Defender alerts and security controls.
• Design data classification, sensitivity labeling and IRM controls.
• Improve Data Loss Prevention policies across M365 and other platforms.
• Support data protection and governance compliance.
• Manage Defender products across endpoints and services.
• Configure Defender for Cloud Apps to improve visibility and control.
• Drive automation and continuous improvement of security monitoring and response.

Skills

Microsoft Sentinel

Microsoft Defender

KQL

Azure Logic Apps

Cloud security

Security incident response

Tools

Azure Logic Apps

Microsoft Defender for Endpoint

Microsoft Purview

Defender for Identity

Defender for Office 365

Defender for Cloud Apps

Job description

Bupa, a leading global healthcare group, is seeking an experienced security professional to shape security operations from its Staines location. You will lead Sentinel configurations, craft detections in KQL, and build automated responses with Logic Apps.

The role covers data protection, DLP, and governance across Microsoft 365, Defender suites, and cloud services, with a strong emphasis on incident response and continuous improvement.