Security Researcher Ii

2 weeks ago


Cheltenham, United Kingdom Microsoft Full time

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.

Do you enjoy the challenge of discovering and analyzing vulnerabilities in software and services to understand how they work and how an attacker might exploit them? Are you excited by the idea of analyzing real-world exploits and researching new attack techniques? Are you passionate about driving meaningful security improvements into products and services to better protect billions of customers? 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 Center (MSRC) is responsible for detecting, protecting, and responding to threats that affect Microsoft’s products and services. We are looking for a motivated Security Software Engineer/Researcher to join our team.

As part of the MSRC, our 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. The knowledge that we gain from analyzing vulnerabilities also informs the offensive and defensive security research performed by our team. As part of this research, our team works collaboratively with many teams across Microsoft to investigate, develop, and deploy security features that help discover and mitigate the biggest threats to customers.

Our team is passionate about a range of topics including vulnerability discovery & automation, safer programming languages, exploit and vulnerability mitigations, software sandboxes, penetration testing & red teaming, exploit development, operating systems security (Windows and Linux), virtualization security, cloud services security, OWASP top 10, and hardware vulnerabilities and mitigations. This particular role is focused on the online services (OLS), e.g. cloud and web bugs.

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. #MSRC

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.

In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.

**Responsibilities**:
Analyzing vulnerabilities in software and services to determine their root cause, severity, and security impact

Identifying variants of vulnerabilities and discovering new vulnerabilities

Building tools and inventing new approaches to automate the discovery & analysis of vulnerabilities

Analyzing trends in vulnerabilities being discovered to spot patterns

Researching, developing, and deploying mitigations for common patterns of vulnerabilities

Performing penetration testing, offensive security research, and red teaming activities

Engaging with and contributing knowledge back to the security research community

Mentoring and contributing to the growth of individuals within the team and across Microsoft

**Qualifications**:
Bachelors degree + 2 years experience, or 5+ years of experience in working as security engineer

Ability to identify common vulnerability types (OWASP top 10, CWE top 25) in software and services written in C#, JavaScript/HTML, C++, C, etc

Ability to debug and root cause vulnerabilities in software, services, and cloud platforms

Excellent written and verbal communication skills

**Preferred Qualifications**:
Public track record of vulnerability research and discovery

Familiarity with cloud service architectures (Azure etc), design, and implementations

Familiarity with operating system internals for Windows and/or Linux

Familiarity with exploitation techniques and



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