Location: United Kingdom

Senior Application Security Engineer

Fortinet is looking for a Sr. Application Security Engineer to join the Corporate Information Security team. This is a highly technical role, with responsibilities conducting security reviews on various Fortinet applications, providing security education to our engineers and handling externally reported vulnerabilities.

Key Responsibilities:

• Serve as an application security subject matter expert who provides guidance to internal teams
• Work closely with development teams, perform code reviews, penetration tests, and architectural reviews on existing codes and new features.
• Develop, implement, and communicate vulnerability mitigation strategies to development teams
• Handle externally reported vulnerabilities as a member of Corporate Information Security Responsible Disclosure Program committee. 
• Drive Fortinet static and dynamic application security testing program.
• Develop strategies, evaluate solutions, design and implement tools, processes and controls to ensure that security and privacy are designed in Fortinet applications
• Advise development teams on SDLC best practices.
• Proactively research new attack vectors on applications that may affect Fortinet applications and infrastructure.
• Be part of a global distributed team to share knowledge, workload and assignments. Strong sense of teamwork is required. Coach peers in application security concepts and best practices.

Required Skills/Experience:

• 5+ years of work experience as an Information Security Researcher or Engineer
• 3+ years of experience with manually auditing source code to find security issues or programming skills in one or more of: Java, .NET, Python or JavaScript frameworks.
• Strong understanding on OWASP TOP 10 vulnerabilities.
• Strong understanding of common API security risks
• Strong understanding on Cloud-Native application architecture, microservices, containerization technologies, secure deployment and implementation issues.
• Proven experience in application penetration testing
• Proven experience in security code review
• Proven experience in application security testing (DAST, SAST, IAST, SCA) tools and processes
• Strong foundation in computer and network security, authentication & authorization, security protocols and applied cryptography
• Solid understanding with web security standards such as CSP, SOP, CORS, and emerging web security technologies.
• Solid understanding on CI/CD pipelines, build systems and DevSecOps principles.
• Experience defining security architecture patterns and standards in a large enterprise organization.
• Experience with cloud-based security solutions and familiarity with cloud service providers, particularly in relation to application security
• Experience working with threat modeling methodologies such as MITRE ATT&CK, STRIDE, PASTA etc.
• Efficiency with web proxies such as Burp or OWASP ZAP or Fiddler
• Understanding of OAuth and JWT implementations.
• Ability to organize & communicate effectively, both written and verbal, with technical and non-technical people across functional teams
• A BS degree in Computer Science, Cyber Security, other tech-related degree, or equivalent experience.
• Experience in Cloud Security Posture Management (CSPM) and/or Application Security Posture Management (ASPM) tools is a plus. 
• Having OSWE OSCP, GWEB, GPEN or similar certificate is a plus
• Experience in Mobile Application Penetration Testing is a plus
• Familiarity with AI&ML & LLM concepts, AI Red Teaming, AI Guardrails is a plus.

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