NextHire Try for free

Zscaler

Posted 28 Oct 2026

Information Security Engineer (Thick Client Testing / Harness / VAPT)

Apply with NextHire Auto Apply fills in the application for you.
Team
Exposure Management & Security Operations
Posted
28 Oct 2026

About the role

Role

We are looking for an Information Security Engineer to join our Cyber and Data Security team. This is a Bangalore based role, reporting to the Director, Information Security Engineering. 

You will lead pentesting efforts across our applications and infrastructure while conducting deep security architecture reviews. By prioritizing vulnerabilities and driving security automation, you will serve as a critical partner to our engineering and operations teams in safeguarding our global ecosystem. You'll be responsible for

What you’ll do (Role Expectations)

  • Conduct advanced penetration testing on applications and infrastructure leveraging AI to identify and mitigate risks
  • Conduct security architecture reviews and provide strategic recommendations for complex systems
  • Partner with engineering and operations teams to prioritise vulnerabilities for remediation
  • Design and implement security automation to streamline repetitive tasks and improve efficiency
  • Diagnose problems you can't reproduce locally, using telemetry and good instrumentation

Who You Are (Success Profile)

  • You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful
  • You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution
  • You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact
  • You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust
  • You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose.

What We’re Looking for (Minimum Qualifications)

  • Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain
  • 3-5 years of experience in manual security assessments using industry-leading tools for web applications, thick clients, and APIs
  • Expertise in thick client penetration testing across Windows, Mac, Linux, Android, and iOS platforms
  • Proven experience conducting security architecture reviews in network security and complex application environments
  • Strong fundamental knowledge of security concepts, cryptography, Unix architecture, and networking
  • Ability to read/debug C/C++, Java, or JavaScript and engineer custom testing harnesses to identify weaknesses

What Will Make You Stand Out (Preferred Qualifications)

  • Proven ability to leverage AI technologies and workflows to drive measurable operational efficiency
  • Proven ability to validate findings and perform thorough root cause analysis
  • Advanced scripting knowledge used to automate repetitive security tasks and research
  • Experience or interest in emerging security research areas including Container, AI/ML, or Cloud security

#LI-SK3 

#LI-Hybrid

85% of jobs are never posted

The AI Outreach Agent writes to recruiters and hiring managers at the companies you pick, from your own Gmail.

Try AI Outreach