Senior Security Engineer, Penetration Testing

We are seeking an experienced Senior Security Engineer, Penetration Testing to join our rapidly growing team. The ideal candidate will have hands-on experience with native and managed code penetration testing (code audit, writing fuzzers, finding creative ways to break assumptions) and applying those skills to an online services portfolio, a clear understanding of security fundamentals, solid computer science skills, and a passion for keeping Microsoft customers safe.

It starts with an interest in security, a strong technical background, and an appetite to explore, learn and break things to protect our customers!

By applying to this U.S. Redmond, WA. position, you are required to be local to the Seattle area and in office 3 days a week.  

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

• Perform penetration testing activities on production and internal systems to identify unknown vulnerabilities. Define a plan for remediation and drive accountability with engineering to address.
• Provide security guidance, specify app security controls, evaluate existing security controls for new services, apps, features, API’s, devices, and third-party connections.
• Participate in threat hunting activities using tools and data available; make recommendations to enrich data sources for more accurate correlation.
• Track sophisticated adversaries and use your technical knowledge of adversary capabilities, infrastructure, and techniques to enhance detections and provide actionable intelligence to partner teams. Identify new data sources for threat hunting to fill gaps and increase visibility.
• Proactively research new technologies, make technology recommendations.
• Drive and cultivate a positive culture of security across the engineering teams. Train product engineering to recognize bad patterns and innovate ways for developers to learn to identify security bad practice.
• Develop and write or reuse automation tools to scale the testing quickly.
• Collaborate with other security teams across Microsoft to design and develop new security mitigations and defenses, with a focus on strategy and scalability.

Qualifications

Required Qualifications  

• 5+ years experience in identifying security vulnerabilities, software development lifecycle, large-scale computing, modeling, cyber security, and anomaly detection.
• 5+ years professional experience in penetration testing/red-teaming, including familiarity with tools like Burp Suite, good knowledge of cloud, services, and network security.
• 3+ years of programming experience in C/C++, C# or similar language.
• Knowledge in common classes of software vulnerabilities such as XSS, CSRF, SQLi, OWASP Top 10, cryptographic attacks and beyond.

Other Requirements

Ability to meet Microsoft, customer and/or government security screening requirements that are required for this role. These requirements include, but are not limited to the following specialized security screenings:

Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.

Preferred Qualifications

• Experience exploiting bugs and bypassing security mitigations in online services.
• Experience managing security compliance related engineering programs and security infrastructure.
• Proven ability to collaborate and establish key threat intelligence partnerships to bolster information sharing and defenses.  
• Outstanding collaboration and partnership skill