Web Application Security Engineer

1 week ago

Singapore Cxm Direct Full time

1 week ago Be among the first 25 applicants Position Overview We are seeking an experienced Web Application Security Engineer to join our team in a unique purple team capacity. This role represents a strategic blend of offensive penetration testing expertise and defensive blue team capabilities, with a specialized focus on securing our web applications and SD‐WAN network infrastructure. The successful candidate will conduct comprehensive security assessments of our web applications while strengthening our defensive posture across our complex proxy and reverse proxy architecture. Core Responsibilities Offensive Security (Penetration Testing)Conduct thorough penetration tests against web applications, APIs, and network infrastructure. Identify vulnerabilities through manual techniques, automated scanning tools, and realistic attack scenarios. Test authentication mechanisms, authorization controls, input validation, session management, and business logic flaws across our application portfolio. Perform security assessments of SD‐WAN infrastructure, focusing on proxy configurations, reverse proxy implementations, SSL/TLS termination points, and web application firewalls. Defensive Security (Blue Team Operations)Monitor security events, analyze logs from WAF and proxy infrastructure, and respond to incidents affecting web applications. Investigate suspicious activities, perform root‐cause analysis, and implement corrective measures. Tune and optimize security controls, including WAF rules, proxy access controls, rate limits, and DDoS mitigation strategies. Purple Team Collaboration Serve as a bridge between offensive and defensive functions. Design and execute purple team exercises, test detection capabilities, and develop detection rules. Facilitate knowledge

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