Security Engineer • Senior

Who you are

You have extensive experience in security research, particularly in reverse engineering for macOS and iOS platforms — your deep understanding of these systems allows you to identify vulnerabilities and develop effective countermeasures. You are skilled in analyzing software behavior and dissecting applications to uncover security flaws, ensuring robust protection against cyber threats.

Your background includes a strong foundation in cybersecurity principles and practices — you are familiar with various attack vectors and have a proven track record of developing innovative solutions to mitigate risks. You thrive in collaborative environments, working closely with cross-functional teams to enhance security protocols and drive impactful results.

You possess excellent problem-solving skills and a keen analytical mindset — you enjoy tackling complex challenges and are driven by the desire to make a positive difference in the cybersecurity landscape. Your ability to communicate technical concepts clearly to both technical and non-technical stakeholders is a key asset in your role.

Desirable

Experience with cloud security solutions and familiarity with Zero Trust architectures would be advantageous — you understand the importance of securing data in transit and at rest, and you are eager to contribute to the development of cutting-edge security technologies.

What you'll do

As a Senior Staff Security Researcher at Zscaler, you will lead efforts in identifying and analyzing security vulnerabilities in macOS and iOS applications — your expertise will be crucial in developing strategies to enhance the security posture of our cloud-native Zero Trust Exchange platform. You will collaborate with engineering teams to implement security best practices and ensure that our solutions are resilient against emerging threats.

You will conduct thorough research and analysis of security incidents, providing insights that inform our security strategies and product development — your findings will directly impact the effectiveness of our security measures and the protection of our customers. You will also mentor junior researchers, sharing your knowledge and fostering a culture of continuous learning within the team.

Your role will involve staying up-to-date with the latest trends in cybersecurity and reverse engineering — you will participate in industry conferences and contribute to thought leadership initiatives, positioning Zscaler as a leader in the cybersecurity space. You will work in a fast-paced environment where your contributions will have a significant impact on the security of millions of users worldwide.

What we offer

At Zscaler, you will be part of a high-performing team that values collaboration, accountability, and customer obsession — we provide an environment where you can thrive and make a meaningful impact. You will have access to ongoing professional development opportunities and the chance to work on innovative projects that shape the future of cybersecurity.

We offer competitive compensation and benefits, including health and wellness programs, flexible work arrangements, and a commitment to diversity and inclusion. Join us in our mission to protect organizations from cyber threats and help shape the future of secure digital transformation.