Senior Vulnerability Security Researcher

13 hours ago


Herzliya, Tel Aviv, Israel Microsoft Full time $120,000 - $180,000 per year

The Azure Networking Security Research (ANSR) team is part of the Network Security organization within Azure Networking. This organization is responsible for developing multiple security products and safeguarding the backend infrastructure of Microsoft Azure. The ANSR team plays a critical role in identifying and addressing security gaps across the entire Azure ecosystem—not limited to networking—and leads several cross-company network security initiatives. The team contributes to maintaining a secure, resilient, and reliable cloud environment by driving engineering excellence in security.


As part of this mission, the ANSR team focuses on uncovering vulnerabilities in Azure's core systems and infrastructure. Security researchers on the team have the opportunity to pioneer new bug classes, discover zero-day vulnerabilities, and protect millions of users and organizations. The role offers deep access to the inner workings of a hyper-scale cloud platform, enabling exploration of innovative attack vectors and emerging risks. Collaboration with experienced researchers ensures that findings translate into impactful security improvements across Azure and beyond.


This is a fast-paced, high-impact environment where technical depth and creative problem-solving are essential. The team is looking for a Senior Security Researcher who is passionate about cloud security and eager to contribute to Azure-wide initiatives. This role is ideal for individuals who thrive on tackling complex challenges and are committed to advancing the security posture of Microsoft Azure through research, innovation, and collaboration.


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.

  • Uncover vulnerabilities in critical Azure services, protocols, and architecture, including networking, storage, and compute.
  • Provide expert security guidance to Azure teams managing high-value services with large customer bases, helping to safeguard against potential threats.
  • Utilize artificial intelligence tools and techniques to enhance the speed and effectiveness of security research.
  • Work closely with other security teams across Microsoft to maximize risk mitigation efforts throughout the technology stack.

Required Qualifcations:

  • Bachelor's Degree in Computer Science, or related technical discipline with proven experience coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivlent experience.
  • 6+ years hands-on security research experience.
  • Offensive mindset and hands-on experience.

Other Requirements:

  • Ability to meet Microsoft, customer and/or government security screening requirements 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 in cloud computing, architecture and security.
  • 8+ years hands-on security research experience.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances.  We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work. #azurecorejobs



  • Herzliya, Tel Aviv, Israel Kayhut Full time ₪90,000 - ₪120,000 per year

    About Us:Kayhut is achieving the unbelievable, daily. We specialize in cracking the most complex systems and face the toughest challenges in the cyber security field.For a leading team, we are looking for a Vulnerability Researcher to research and develop cutting-edge cyber projects. We are facing extremely complex technological challenges and need talents...


  • Herzliya, Tel Aviv, Israel Kayhut Full time ₪100,000 - ₪120,000 per year

    About Us:Kayhut is achieving the unbelievable, daily. We specialize in cracking the most complex systems and face the toughest challenges in the cybersecurity field.For a leading team, we are looking for a Security Researcher to research and develop cutting-edge cyber projects.We face highly complex technological challenges and need talents to help us...


  • Herzliya, Tel Aviv, Israel Microsoft Full time ₪120,000 - ₪240,000 per year

    The Azure Networking Security Research (ANSR) team is part of the Network Security organization within Azure Networking. This organization is responsible for developing multiple security products and safeguarding the backend infrastructure of Microsoft Azure. The ANSR team plays a critical role in identifying and addressing security gaps across the entire...

  • Security Researcher

    14 hours ago


    Herzliya, Tel Aviv, Israel Apple Full time ₪80,000 - ₪120,000 per year

    Help Apple secure the world's most advanced consumer devices, which people trust to store their personal and professional data. We believe that the best defense is a good offense, and that means finding vulnerabilities before the community does. We're looking for talented and inspired individuals to join our team and attack Apple's products with the goal of...


  • Herzliya, Tel Aviv, Israel Kayhut Full time ₪80,000 - ₪120,000 per year

    About UsKayHut is a young, innovative, fast-growing company engaged in cyber research and security solutions. We are unlike any other company you have ever worked for. We do what no one else does and have great fun doing it.We seek an embedded security researcher to join us in developing cutting-edge cybersecurity projects.  ResponsibilitiesAs an Embedded...


  • Herzliya, Tel Aviv, Israel Varonis Systems Full time ₪120,000 - ₪360,000 per year

    SummaryData has never been more valuable and vulnerable. As cybercriminals become more sophisticated and regulations more strict, organizations struggle to answer one key question: "Is my data safe?"At Varonis, we see the world of cybersecurity differently. Instead of chasing threats, we believe the most practical approach is protecting data from the inside...


  • Herzliya, Tel Aviv, Israel Microsoft Full time

    Microsoft Specialized Cloud organization is responsible for tailoring cloud infrastructure to customer needs, addressing sovereignty, privacy and security requirements, across Azure cloud and Edge solutions. STORM security research group is responsible for making sure these products meet the highest security bar customers expect from us.  We...


  • Herzliya, Tel Aviv, Israel KayHut Full time ₪90,000 - ₪120,000 per year

    KayHut is a young, innovative, fast-growing company engaged in cyber research and security solutions. We are unlike any other company you have ever worked for. We do what no one else does, and we have great fun doing it.We are looking for an embedded security researcher to join us in developing cutting-edge cyber security projects.ResponsibilitiesAs an...


  • Herzliya, Tel Aviv, Israel Varonis Full time ₪120,000 - ₪240,000 per year

    SummaryData has never been more valuable and vulnerable. As cybercriminals become more sophisticated and regulations more strict, organizations struggle to answer one key question: "Is my data safe?"At Varonis, we see the world of cybersecurity differently. Instead of chasing threats, we believe the most practical approach is protecting data from the inside...


  • Herzliya, Tel Aviv, Israel Varonis Full time ₪120,000 - ₪180,000 per year

    Summary:Data has never been more valuable and vulnerable. As cybercriminals become more sophisticated and regulations become stricter, organizations struggle to answer one key question: "Is my data safe?"At Varonis, we see the world of cybersecurity differently. Instead of chasing threats, we believe that the most practical approach is to protect data from...