Security Researcher

Cheltenham, England, United Kingdom

7/12/2025

Come build community, explore your passions and do your best work at Microsoft. This opportunity will allow you to bring your aspirations, talent, potential and excitement for the journey ahead.

We are looking for a Security Researcher to join our team! Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

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:

• Analyze critical security vulnerabilities reported by security researchers from around the world and provide guidance on remediation.
• Contribute code to technical implementation and automation of solutions to address security issues, such as signature detection, malware, threat analysis, or reverse engineering. Use results from research and experimentation to support architecture or product direction.
• Develop tools and techniques to discover and exploit vulnerabilities in Microsoft products and services.
• Innovate in security mitigations and hardening 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 research in a motivated and supportive team.
  
  

Qualifications

Required Qualifications

• 1+ year(s) experience in software development lifecycle, large-scale computing, modeling, cyber security, and/or anomaly detection OR Bachelor's Degree or Master’s Degree in Statistics, Mathematics, Computer Science or related field.
• Ability to read, understand and debug C and/or C++ code.
• Experience in security research on Windows/Linux systems.
• Knowledge of software security vulnerabilities, how they can be exploited, and how they can be prevented.
  
  

Preferred Qualifications

• 2+ years experience in software development lifecycle, large-scale computing, modeling, cybersecurity, and/or anomaly detection
  
  

Microsoft is an equal opportunity employer. Consistent with applicable law, 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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.