1,286,896open jobs
74,437companies
215,547added this week
Browse all
Salary
$59k – $100k per year
Location
In office (Cheltenham)

Confirmed on the employer's own hiring board on Oct 6, 2026. First seen by Alion on Sep 24, 2026. Microsoft scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Microsoft is an American multinational technology corporation founded in 1975 by Bill Gates and Paul Allen and headquartered in Redmond, Washington. It built the personal computing era around the Windows operating system and the Office productivity suite, and now generates the largest share of its revenue from Azure cloud infrastructure and commercial subscriptions. The company also owns GitHub, LinkedIn and the Xbox gaming business, and has invested heavily in artificial intelligence through its partnership with OpenAI and the Copilot assistants embedded across its products.
Overview

Do you enjoy the challenge of discovering and analysing vulnerabilities in software and services to understand how they work and how to fix them? Are you excited by the idea of analysing real-world exploits and researching new attack techniques? Are you passionate about developing new tools and techniques to scale vulnerability research to meet real-world demands? Do you want to be part of an inclusive & collaborative team that invests in the growth and success of one another? The Microsoft Security Response Centre (MSRC) is responsible for detecting, protecting, and responding to threats that affect Microsoft’s products and services. We are looking for a motivated Security Researcher to join our team.

As part of the MSRC, our team (Vulnerability & Mitigations Team) is responsible for analyzing vulnerabilities found in Microsoft’s products and services to determine their root cause, severity, and security impact. This analysis plays a critical role in shaping the security updates that are deployed to customers. Our research projects cover a range of topics including vulnerability discovery & automation, exploit and vulnerability mitigations, exploit development, operating systems security (Windows and Linux), virtualization security, and hardware vulnerabilities and mitigations.

This is a unique opportunity to have a positive impact on improving safety for customers around the world and to work on challenging real-world security problems as part of a supportive and collaborative team.

Responsibilities

As a member of the MSRC team, you will play a vital role in enhancing the security of Microsoft products and services. You will have the opportunity to:

  • Analyse critical security vulnerabilities reported by security researchers from around the world and provide guidance on remediation.
  • Detect, reverse engineer and patch live exploits reported to MSRC.
  • Use state of the art AI tooling to find and analyze vulnerabilities at scale.
  • Develop new tools and techniques to improve vulnerability analysis workflows.
  • Innovate in security mitigations to make Microsoft products and services more resilient to attacks.
  • Gain insights from incoming bug trends to inform security research for the team, as well as influence the broader Microsoft security strategy.
  • Work with and learn from experts across Microsoft and grow your career in security in a motivated and supportive team.

Qualifications

We are looking for a security researcher who is passionate about security research in Windows platforms. You should have some of the following qualifications:

  • Experience in software development lifecycle, large-scale computing, modeling, cyber security, and/or anomaly detection OR Bachelor's Degree in Statistics, Mathematics, Computer Science or related field OR equivalent experience
  • An ability to read, understand and debug C and/or C++ code
  • Proficiency in developing tools and automation to identify or verify security issues, and scaling analysis workflows using AI and traditional
  • Knowledge of software security vulnerabilities, how they can be exploited, and how they can be prevented
  • Experience in security research on Windows/Linux systems

Security Research IC2 - The typical base pay range for this role across United Kingdom is £ 44,200.00 - £ 75,700.00 per year. Certain roles may be eligible for benefits and other compensation.

Find additional benefits and pay information here:

https://careers.microsoft.com/v2/global/en/corporate-pay/united-kingdom-corporate-pay.html

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,286,896 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Cheltenham
$275k – $344k per year • In office • Full-Time • London
DevOps
GCP
AWS
Cybersecurity
SIEM
Apply
≈ $120k – $223k per year (Estimated) • In office • 5+ years exp • London
AI/ML
LLM
Red Teaming
Agentic Workflows
DevOps
Linux
Windows
Cybersecurity
Burp Suite
Metasploit
Nmap
Cobalt Strike
BloodHound
Web3
Smart Contracts
Apply
$99k – $153k per year • In office • Full-Time • London • Leeds • Edinburgh
DevOps
Azure
AWS
Cybersecurity
Crowdstrike
Microsoft Sentinel
Microsoft Defender
MITRE ATT&CK
NIST CSF
MITRE D3FEND
Apply
≈ $78k – $145k per year (Estimated) • In office • Secret • Full-Time • 5+ years exp • Bachelor's Degree • United Kingdom
Assembly
Assembly
Keystone Engine
Apply
≈ $88k – $162k per year (Estimated) • In office • Belfast
Apply
Analista SOC 1 hour ago
≈ $44k – $123k per year (Estimated) • In office • Full-Time • São Paulo
AI/ML
AI Agents
DevOps
Splunk
Prometheus
Cortex
Linux
Windows
TCP/IP
DNS
Cybersecurity
Crowdstrike
IBM QRadar
LogRhythm
Cortex XSOAR
Active Directory
SIEM
Apply
In office
Python
Bash
Perl
DevOps
GCP
Red Hat
Git
AWS
Proxmox VE
CentOS Stream
Linux
Windows
TCP/IP
DNS
DHCP
Apply
$75k – $82k per year • In office • Full-Time • 4+ years exp • Bachelor's Degree • United States
AI/ML
Copilot
Gemini
DevOps
Linux
Windows
Management
Google Workspace
Microsoft Teams
OneDrive
Service Desk
Microsoft Office
Apply
≈ $39k – $104k per year (Estimated) • Hybrid • Full-Time • Bachelor's Degree • Singapore
DevOps
Kali Linux
Linux
Cybersecurity
Nessus
Apply
$69k – $158k per year • In office • Top Secret • Full-Time • 2+ years exp • High School Diploma • Alexandria
JavaScript
SQL
Bash
DevOps
Rest API
GitHub
GitLab
Linux
Analytics
ETL/ELT
Management
ServiceNow
Agile
Scrum
ITIL
ITSM
Apply
$124k – $215k per year • In office • 2+ years exp • Bachelor's Degree • London
AI/ML
AI Agents
Machine Learning
Cybersecurity
Threat Modeling
Apply
$124k – $215k per year • In office • Bachelor's Degree • London
Python
AI/ML
Function Calling
AI Agents
Red Teaming
LLM Evaluation
Tool Use
DevOps
Azure
CI/CD
Docker
Kubernetes
Platform Engineering
Linux
Windows
DNS
Cybersecurity
Zero Trust
Defense in Depth
Least Privilege
Apply
Security Analyst II 8 hours ago
$102k – $202k per year • In office • 2+ years exp • Bachelor's Degree • Redmond
JavaScript
SQL
Frontend
npm
DevOps
Azure
GitHub
Cybersecurity
MITRE ATT&CK
Threat Modeling
Microsoft Entra ID
SIEM
Management
Microsoft Office
Apply
≈ $18k – $39k per year (Estimated) • In office • 8+ years exp • Hyderabad
DevOps
Azure
Cybersecurity
Microsoft Sentinel
SIEM
Apply
$100k – $181k per year • In office • 8+ years exp • Bachelor's Degree • Vancouver
C++
DevOps
Windows
Apply
≈ $37k – $68k per year (Estimated) • In office • Bachelor's Degree • Cheltenham
Apply
Operations Manager 6 hours ago
$80k per year • In office • Full-Time • Bachelor's Degree • Cheltenham
Apply
≈ $31k – $57k per year (Estimated) • In office • Full-Time • Cheltenham
Apply
≈ $63k – $114k per year (Estimated) • In office • Contractor • Bachelor's Degree • Cheltenham
Apply
In office • Full-Time • Cheltenham
Apply
See all jobs
This is one of many
1,286,896 more open roles from verified company boards, updated every day.