📋 Job Details at a Glance 📍 Location Bangalore, India 🏢 Company Zscaler 👥 Experience 1-3 years 🎓 Qualification Hands-on with Java, JavaScript, APIs. Relevant technical qualification and demonstrated shipping experience 📅 Eligible Batch 2024, 2025, 2026 📄 Job Type Full Time 💰 Salary Not Disclosed 🏢 Industry Technology 🛠 Key Skills Java JavaScript APIs Information Security Engineer at Zscaler — Full Details & How to Apply Zscaler is hiring an Information Security Engineer in Bangalore, India to conduct advanced penetration testing and security architecture reviews. This hybrid role offers hands-on experience with Java , JavaScript , and APIs as part of core technical responsibilities. This Information Security Engineer role directly supports application and infrastructure security by performing advanced penetration testing and delivering strategic security architecture reviews. The position requires practical engagement with APIs and code-level security, ensuring vulnerabilities are identified and mitigated through real-world testing and automation workflows. The job posting specifies that Zscaler is seeking an Information Security Engineer with hands-on experience in Java , JavaScript , and APIs . The role involves security automation and vulnerability prioritization, and is part of Zscaler ’s technology-driven operations in Bangalore. This position is embedded within a technical team focused on application security and infrastructure resilience. 2024, 2025, 2026 graduates should apply if they have hands-on with Java, JavaScript, APIs , possess a relevant technical qualification, and have demonstrated shipping experience. The role requires 1-3 years of experience , and the salary is Not Disclosed . Candidates will gain practical experience working with Java , JavaScript , and APIs . This role provides foundational exposure to security automation and vulnerability management, offering a clear path toward advanced security engineering roles in technology firms. 📊 Role Difficulty: Medium | Competition Level: Medium | Fresher Friendly: No NexisGrow.com features this opportunity as part of its curated tech job listings. All details are sourced from the official job posting. Apply online before the opportunity closes. Search for Information Security Engineer jobs , explore Zscaler recruitment , and find Bangalore, India jobs with hands-on technical exposure. Apply online to access this role in a hybrid work environment. Job Role & Responsibilities The Information Security Engineer at Zscaler ensures application and infrastructure security by conducting penetration tests, analyzing telemetry, and automating security workflows using Java , JavaScript , and APIs . This role directly impacts threat detection, vulnerability prioritization, and secure system design in real-world deployments. Conduct advanced penetration testing on web applications and infrastructure using JavaScript to simulate attacks and validate security controls in real-time. Perform security architecture reviews for microservices and cloud systems, applying Java to assess secure coding practices and identify injection flaws. Partner with engineering teams to prioritize vulnerabilities based on API exposure, attack surface, and historical breach data. Design and implement security automation scripts using JavaScript to reduce manual testing cycles and improve incident response speed. Diagnose security anomalies using telemetry data from Zscaler ’s platform and API endpoints, even when the issue cannot be reproduced locally. Document vulnerability findings and remediation recommendations in structured formats such as JSON or XML, using Java to generate secure configuration reports. troubleshoot security incidents by analyzing logs from API gateways and backend services, identifying misconfigurations using JavaScript parsing tools. Provide technical support to operations teams by validating Java -based service security and ensuring API authentication flows are properly enforced. This role demands direct ownership of security outcomes, with every action influencing vulnerability remediation timelines , compliance audit results , and system-level risk exposure in production environments. Required Skills & Technical Competencies The role requires hands-on proficiency in Java , JavaScript , and APIs to execute security assessments, automate workflows, and validate secure system designs. These skills are applied in real-world testing and integration scenarios. Technical Skills Java — intermediate — used to develop secure application logic, conduct penetration tests, and generate vulnerability reports in enterprise environments. JavaScript — intermediate — applied in web application security testing, automation scripts, and parsing of dynamic content from APIs . APIs — advanced — leveraged to test interface security, validate authentication flows, and integrate with third-party security tools. When preparing your resume, emphasize specific projects where you used Java or JavaScript to test or secure APIs , and include code snippets or log analysis examples to demonstrate technical depth. Eligibility Criteria This role is designed for candidates with a technical qualification and 1–3 years of hands-on experience in Java , JavaScript , and APIs , particularly in project-based or internship settings. Must hold a relevant technical qualification such as a B.Tech in Computer Science or a related field. Eligible batches are 2024 , 2025 , and 2026 . Experience must include direct exposure to Java , JavaScript , and APIs in real-world projects or internships. CGPA or academic performance is not specified in the job posting. Portfolio or project documentation is not required but should include code repositories or security test reports using Java or JavaScript . Must have demonstrated shipping experience with secure applications or APIs in a live environment. Documentation & Portfolio Requirements Your resume must include a clear section on technical projects where you used Java or JavaScript to build, test, or secure APIs . Include GitHub links , test case descriptions , and security findings to validate hands-on experience. For this role, prioritize showcasing a project where you used Java or JavaScript to automate a security test or analyze an API interface. Include specific metrics like vulnerability count, response time, or error rate to demonstrate measurable impact. Salary for Information Security Engineer at Zscaler 💰 Compensation Not Disclosed The advertised compensation for the Information Security Engineer role at Zscaler is Not Disclosed . The exact in-hand figure and any additional components are confirmed by the company during the offer or HR discussion stage. Recommended Courses & Preparation Tips for Information Security Engineer Upskilling with the right resources significantly enhances your chances of selection for the Information Security Engineer role by aligning your skills with job requirements. Recommended Courses & Resources Java — Mastering Java is crucial for developing secure applications and understanding security vulnerabilities. JavaScript — Proficiency in JavaScript helps in securing web applications and understanding client-side vulnerabilities. APIs — Knowledge of APIs is essential for securing data exchanges and understanding integration points in applications. KodNest — This platform offers hands-on projects that enhance practical skills in security engineering. Boost your profile with relevant certifications at NexisGrow GetCertified — strengthen your application before you apply. Common Mistakes to Avoid ❌ Applying without demonstrating hands-on experience with Java, JavaScript, or APIs — Provide specific examples of your experience. ❌ Using a generic resume instead of tailoring it to the specific responsibilities outlined in the job description — Customize your resume for this role. ❌ Listing Java, JavaScript, or APIs without detailing how they were applied in previous roles or projects — Include concrete applications of these skills. ❌ Ignoring the experience requirement and applying if they do not meet the 1-3 years criteria — Ensure you meet the qualifications before applying. ❌ Adding unrelated technologies or unsupported claims to increase ATS keywords — Stick to relevant skills and experiences. ❌ Not verifying the official Apply URL and job details before submission — Always check the provided link and details. Before You Apply — Checklist ✅ Confirm the job title, company, location, work mode, and experience requirement. ✅ Check that the candidate meets the supplied qualification criteria. ✅ Verify eligibility against the supplied eligible batches and experience requirement. ✅ Add relevant supplied JD keywords naturally to the resume. ✅ Highlight projects or experience related to the supplied technologies and responsibilities. ✅ Remove unsupported technologies, achievements, or experience claims. ✅ Open and verify the supplied Apply URL before submitting the application. ✅ Save the job details, application date, and role-specific resume version for tracking. Resume Tailoring & ATS Keywords for Information Security Engineer Optimizing your resume for ATS is crucial for the Information Security Engineer role, ensuring your application gets noticed by hiring managers. ATS Keywords to Include Information Security Engineer Java JavaScript APIs penetration testing security architecture automation vulnerability remediation telemetry problem-solving collaboration documentation Resume Tips for This Role Highlight hands-on experience with Java , JavaScript , and APIs prominently on the resume. Emphasize experience with penetration testing and security architecture reviews. Include any relevant projects or internships that involved security practices or coding. Use exact keywords from the job description naturally to align with ATS requirements. Avoid adding unsupported technologies or experiences that cannot be substantiated. Build an ATS-optimized resume for this role using NexisGrow Resume Builder — free for all job seekers. Pro Tip: Do not include unrelated work experiences or unsupported claims in your resume for this role. How to Apply for Information Security Engineer at Zscaler Apply Now — Zscaler Open the supplied official Apply URL and confirm the job title and company. Prepare a resume aligned with the supplied skills, responsibilities, qualifications, and experience requirements. Complete the official application form accurately and avoid unsupported claims. Submit the application and save the confirmation or application reference if the portal provides one. Record the application date and monitor the official company portal or registered email for updates. Applications reviewed on rolling basis — early submission recommended. Apply Now — Zscaler NexisGrow.com does not charge any fees for job applications. Zscaler Zscaler is a technology company based in Bangalore, India . The Information Security Engineer role operates in a hybrid work mode and supports digital transformation solutions. This position is part of a team that collaborates with engineering and operations to manage security risks. The team conducts advanced penetration testing, security architecture reviews, and vulnerability prioritization. They use Java , JavaScript , and APIs to assess systems and design automation. These activities focus on identifying risks and improving system resilience through hands-on coding and real-world testing. This role supports Zscaler ’s mission by helping secure applications and infrastructure. It enables early-career exposure to security practices through practical work with Java , JavaScript , and APIs , including real-world testing and automation design. Company Details Industry Technology Location Bangalore, India Connect With Us Careers Apply Now Website 🔗 job-boards.greenhouse.io Frequently Asked Questions Interview · Role · Salary · Growth ? Who can apply for this role? Eligibility Tap to expand + Answer Candidates with a relevant technical qualification and 1-3 years of experience, from the eligible batches of 2024, 2025, and 2026. ? What technical skills are most important for this role? Skills Tap to expand + Answer Java, JavaScript, and APIs are the most important skills for this role. ? What is the expected salary for this position? Salary Tap to expand + Answer Salary Display is Not Disclosed. ? What should I expect after applying? Hiring Process Tap to expand + Answer The exact hiring stages are not specified in the job posting. ? How should I prepare for the interview? Preparation Tap to expand + Answer 1. Review Java and JavaScript fundamentals. 2. Study penetration testing methodologies. 3. Familiarize yourself with security architecture principles. 4. Prepare examples of past projects. 5. Understand the role of APIs in security. ? Is this role remote, hybrid, or onsite? Work Mode Tap to expand + Answer This role is hybrid, based in Bangalore, India. ? What career exposure can this role provide? Growth Tap to expand + Answer This role provides exposure to advanced penetration testing, security automation, and collaboration with engineering teams. ? What should I highlight in my resume for this role? Resume Tap to expand + Answer Highlight hands-on experience with Java, JavaScript, APIs, and any relevant penetration testing or security projects. ? Is there a last date to apply? Application Tap to expand + Answer Not specified in the job posting. ? Is there a probation period? Probation Tap to expand + Answer Not specified in the job posting. ? What is the work environment like for this role? Culture Tap to expand + Answer The role involves collaboration with engineering and operations teams in a hybrid work setting. ? Can freshers apply for this role? Fresher Tap to expand + Answer No, the experience requirement is 1-3 years. 🔗 Explore More on NexisGrow More jobs in Bangalore Browse all Tech jobs Latest Fresher jobs More jobs at Zscaler Work From Home jobs Ready to Apply? 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