Principal Security Researcher

Microsoft; Cheltenham; On-site; GBP 70,000 - 100,000; Full time

Job summary

A leading company is seeking a Principal Security Researcher to join their Threat Intelligence Center in Cheltenham. This role involves analyzing telemetry, developing detection capabilities, and collaborating with analysts to track threats. Candidates should have profound experience in cybersecurity and relevant programming skills. This position offers benefits including healthcare, educational resources, and personal development opportunities.

Benefits

Healthcare

Educational resources

Product discounts

Savings

Parental leave

Time off

Giving programs

Networking opportunities

Qualifications

• Expert experience leading cybersecurity research projects.
• Proficiency in Python, C#, C++.
• Strong interpersonal and communication skills.

Responsibilities

• Design and develop detection capabilities based on threat intelligence.
• Identify threat actor activities and automate detection.

Skills

Cybersecurity research leadership

Python

C#

C++

SQL

KQL

Interpersonal skills

Communication skills

Tools

Kubernetes

Job description

Principal Security Researcher, Cheltenham

Client: Microsoft

Location: Cheltenham

Job Category: Other

EU work permit required: Yes

Job Reference: 735a8d7daec1

Job Views: 5

Posted: 02.06.2025

Expiry Date: 17.07.2025

Job Description

Overview

The Microsoft Threat Intelligence Center (MSTIC) has unique insights into end-to-end attacks and how different stages manifest across telemetry. The Threat Intelligence Product Research team develops new detection capabilities through correlation and analysis, embedding Threat Intelligence into security solutions. We are recruiting a Principal Security Researcher with deep expertise to analyze telemetry, design detections, and work closely with threat analysts to automate threat actor tracking. Our focus areas include threat intelligence-based detection, identity, cloud apps, and Microsoft Cloud technologies.

Qualifications

• Expert experience leading cybersecurity research projects
• Proficiency in programming languages such as Python, C#, C++
• Experience with large datasets and query languages like SQL or KQL
• Strong interpersonal and communication skills

Other Requirements

• Ability to pass Microsoft security background checks
• Experience with Microsoft Cloud security research, threat hunting, and detection
• Experience in building threat detection logic for security products
• Proficiency in production-quality coding, preferably in C# and Kubernetes

Responsibilities

• Design and develop detection capabilities based on threat intelligence
• Identify threat actor activities and automate detection processes

Benefits include healthcare, educational resources, product discounts, savings, parental leave, time off, giving programs, and networking opportunities.

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