Web Application

4 days ago

Bhandup Mumbai Maharashtra, India PageNTRA Infosec PVT LTD Full time

Role Summary

The Web Application & API Security Engineer will be responsible for protecting our clients' web applications and APIs by serving as the subject matter expert (SME) for our Web Application Firewall (WAF) service. This role requires a strong offensive security mindset to conduct comprehensive vulnerability assessments, translate findings into effective WAF rules, and continuously tune policies to maintain a robust defense against emerging threats.

Key Responsibilities

WAF Management & Rule Tuning

  • Design, implement, and manage custom security policies and rulesets across various WAF platforms (e.g., Cloudflare, Akamai, AWS WAF, ModSecurity) for diverse client applications.
  • Proactively tune and optimize WAF policies to minimize False Positives (FPs) while ensuring high-fidelity threat detection and blocking.
  • Conduct forensic analysis of WAF logs and security events to identify new attack vectors, bypassed rules, and adjust mitigations accordingly.
  • Stay current with the latest CVEs and threat intelligence and rapidly deploy compensating WAF controls.

Vulnerability Assessment (VA) & API Security

  • Perform Vulnerability Assessments and light Penetration Testing on client web applications and APIs to identify critical security flaws.
  • Deeply understand and provide effective mitigation strategies for common vulnerabilities, including the OWASP Top 10 and OWASP API Security Top 10.
  • Evaluate and ensure the security of modern API architectures, including REST and GraphQL, focusing on authentication (e.g., OAuth, JWT), authorization (BOLA/BFLA), and proper data handling.
  • Collaborate with application development and DevOps teams to advise on secure coding practices and security architecture improvements.

Automation & DevSecOps

  • Develop and maintain scripts (Python, Bash) for automating WAF deployment, configuration, and log analysis tasks.
  • Leverage SIEM and logging platforms (e.g., Elastic Stack) to monitor WAF efficacy, generate security reports, and correlate events.

Required Qualifications and Skills

Foundational Expertise

  • 4+ years of experience in an Application Security, Penetration Testing, or Security Engineering role.
  • Expert-level knowledge of HTTP/HTTPS protocols, TCP/IP, and TLS/SSL.
  • Proficiency with security tools such as Burp Suite Professional, OWASP ZAP, and various vulnerability scanners.
  • Solid understanding of common attack techniques (SQLi, XSS, SSRF, Deserialization, XXE, Command Injection).

WAF & API Specific Skills (The Core)

  • Mandatory: Proven hands-on experience in writing, customizing, and tuning WAF rules (e.g., ModSecurity/Coraza Rule Language, WAF custom policy language).
  • Strong understanding of API security mechanisms and vulnerabilities (e.g., broken object level authorization - BOLA, excessive data exposure).
  • Experience with cloud security platforms and WAF offerings in major environments (AWS, Azure, GCP).

Desirable (Nice-to-Have) Skills

  • Industry certifications such as OSCP, CEH, CISSP, GWEB, or relevant cloud certifications.
  • Experience with Bot Management and Layer 7 DDoS mitigation strategies.
  • Familiarity with container security and microservices architecture.
  • Experience in a client-facing service provider environment.

Job Type: Full-time

Pay: ₹600, ₹1,000,000.00 per year

Work Location: In person

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